Telit Wireless Solutions SE868-V3 Specification sheet

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SE868-V3 Product User Guide
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SE868-V3 Product User Guide
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APPLICABILITY TABLE
PRODUCT
SE868-V3

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SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE
Notice
While reasonable efforts have beenmade to assure theaccuracy of this document, Telit assumes
no liability resulting from any inaccuracies or omissions in this document, or from use of the
information obtained herein. The information in this document has been carefully checked and
is believed to be entirely reliable. However, no responsibility is assumed for inaccuracies or
omissions. Telit reserves the right to make changes to any products described herein and
reserves the right to revise this document and to make changes from time to time in content
hereof with no obligation to notify any person of revisions or changes. Telit does not assume
any liability arising out of the application or use of any product, software, or circuit described
herein; neither does it convey license under its patent rights or the rights of others.
It is possible that this publication may contain references to, or information about Telit products
(machines and programs), programming, or services that are not announced in your country. Such
references or information must not be construed to mean that Telit intends to announce such Telit
products, programming, or services in your country.
Copyrights
This instruction manual and the Telit products described in this instruction manual may be,
include or describe copyrighted Telit material, such as computer programs stored in
semiconductor memories or other media. Laws in the Italy and other countries preserve for Telit
and its licensors certain exclusive rights for copyrighted material, including the exclusive right
to copy, reproduce in any form, distribute and make derivative works of the copyrighted
material. Accordingly, any copyrighted material of Telit and its licensors contained herein or
in the Telit products described in this instruction manual may not be copied, reproduced,
distributed, merged or modified in any manner without the express written permission of Telit.
Furthermore, the purchase of Telit products shall not be deemed to grant either directly or by
implication, estoppel, or otherwise, any license under the copyrights, patents or patent
applications of Telit, as arises by operation of law in the sale of a product.
Computer Software Copyrights
The Telit and 3rd Party supplied Software (SW) products described in this instruction manual
may include copyrighted Telit and other 3rd Party supplied computer programs stored in
semiconductor memories or other media. Laws in the Italy and other countries preserve for Telit
and other 3rd Party supplied SW certain exclusive rights for copyrighted computer programs,
including the exclusive right to copy or reproduce in any form the copyrighted computer
program. Accordingly, any copyrighted Telit or other 3rd Party supplied SW computer
programs contained in the Telit products described in this instruction manual may not be copied
(reverse engineered) or reproduced in any manner without the express written permission of
Telit or the 3rd Party SW supplier. Furthermore, the purchase of Telit products shall not be
deemed to grant either directly or by implication, estoppel, or otherwise, any license under the
copyrights, patents or patent applications of Telit or other 3rd Party supplied SW, except for
the normal non-exclusive, royalty free license to use that arises by operation of law in the sale
of a product.

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Usage and Disclosure Restrictions
License Agreements
The software described in this document is the property of Telit and its licensors. It is furnished
by express license agreement only and may be used only in accordance with the terms of such
an agreement.
Copyrighted Materials
Software and documentation are copyrighted materials. Making unauthorized copies is
prohibited by law. No part of the software or documentation may be reproduced, transmitted,
transcribed, stored in a retrieval system, or translated into any language or computer language,
in any form or by any means, without prior written permission of Telit
High Risk Materials
Components, units, or third-party products used in the product described herein are NOT fault-
tolerant and are NOT designed, manufactured, or intended for use as on-line control equipment
in the following hazardous environments requiring fail-safe controls: the operation of Nuclear
Facilities, Aircraft Navigation or Aircraft Communication Systems, Air Traffic Control, Life
Support, or Weapons Systems (High Risk Activities"). Telit and its supplier(s) specifically
disclaim any expressed or implied warranty of fitness for such High Risk Activities.
Trademarks
TELIT and the Stylized T Logo are registered in Trademark Office. All other product or service
names are the property of their respective owners.
Third Party Rights
The software may include Third Party Right software. In this case you agree to comply with all
terms and conditions imposed on you in respect of such separate software. In addition to Third
Party Terms, the disclaimer of warranty and limitation of liability provisions in this License
shall apply to the Third Party Right software.
TELIT HEREBY DISCLAIMS ANY AND ALL WARRANTIES EXPRESS OR IMPLIED
FROM ANY THIRD PARTIES REGARDING ANY SEPARATE FILES, ANY THIRD
PARTY MATERIALS INCLUDED IN THE SOFTWARE, ANY THIRD PARTY
MATERIALS FROM WHICH THE SOFTWARE IS DERIVED (COLLECTIVELY “OTHER
CODE”), AND THE USE OF ANY OR ALL THE OTHER CODE IN CONNECTION WITH
THE SOFTWARE, INCLUDING (WITHOUT LIMITATION) ANY WARRANTIES OF
SATISFACTORY QUALITY OR FITNESS FOR A PARTICULAR PURPOSE.
NO THIRD PARTY LICENSORS OF OTHER CODE SHALL HAVE ANY LIABILITY FOR
ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
CONSEQUENTIAL DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS),
HOWEVER CAUSED AND WHETHER MADE UNDER CONTRACT, TORT OR OTHER
LEGAL THEORY, ARISING IN ANY WAY OUT OF THE USE OR DISTRIBUTION OF
THE OTHER CODE OR THE EXERCISE OF ANY RIGHTS GRANTED UNDER EITHER
OR BOTH THIS LICENSE AND THE LEGAL TERMS APPLICABLE TO ANY
SEPARATE FILES, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
Copyright © Telit Communications S.p.A. 2016.

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Contents
1. Introduction.................................................................................................................10
1.1. Purpose..................................................................................................................10
1.2. Contact Information, Support .................................................................................10
1.3. Text Conventions...................................................................................................10
1.4. Related Documents................................................................................................11
2. Product Description ...................................................................................................12
2.1. Product Overview...................................................................................................12
2.2. Product Variants.....................................................................................................13
2.2.1. Hardware...................................................................................................................13
2.2.2. Firmware....................................................................................................................13
2.3. Block Diagram........................................................................................................14
2.4. SE868-V3 Module Photo........................................................................................15
3. Evaluation Kit (EVK)...................................................................................................16
3.1. SE868-V3 Evaluation Kit........................................................................................16
4. Product Features........................................................................................................18
4.1. Multi-Constellation Navigation................................................................................18
4.2. QZSS support ........................................................................................................18
4.3. Satellite Based Augmentation System (SBAS)......................................................18
4.3.1. SBAS Corrections......................................................................................................18
4.3.2. SBAS Ranging...........................................................................................................18
4.4. Elevation Mask Angle.............................................................................................18
4.5. Assisted GPS (AGPS) - SiRFInstantFix™..............................................................19
4.5.1. Client-generated Extended Ephemeris (CGEE).........................................................19
4.5.2. Server-generated Extended Ephemeris (SGEE)........................................................19
4.6. 2-D Positioning.......................................................................................................19
4.7. Static Navigation....................................................................................................19
4.8. Velocity Dead-Reckoning.......................................................................................20
4.9. Jamming Rejection – Continuous Wave (CW) Jamming Mitigation .......................20
4.10. Internal LNA........................................................................................................21
4.11. 5 Hz Navigation...................................................................................................21

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4.12. 1PPS...................................................................................................................22
4.13. Device Wake-up (1st Port)...................................................................................22
4.14. MEMS Wakeup (2nd Port - I2C) ...........................................................................22
4.15. Message Waiting (Data Ready Indicator) ...........................................................22
4.16. I/O Communication Ports....................................................................................22
4.17. Power Management Modes................................................................................23
4.17.1. Full Power Mode ....................................................................................................23
4.17.2. SmartGNSS ...........................................................................................................23
4.17.3. Trickle Power .........................................................................................................24
4.17.4. Push-to-Fix.............................................................................................................24
4.17.5. SiRFaware .............................................................................................................24
4.17.6. Hibernate ...............................................................................................................24
5. Product Compatibility ................................................................................................25
5.1. Upgrading JF2 designs to the SE868-V3...............................................................25
5.2. Upgrading SE868-V2 designs to the SE868-V3.....................................................26
6. Product Performance.................................................................................................27
6.1. Horizontal Position Accuracy..................................................................................27
6.2. Time to First Fix .....................................................................................................28
6.3. Sensitivity...............................................................................................................29
7. Software Interface ......................................................................................................30
7.1. NMEA Output Messages........................................................................................30
7.1.1. Standard Messages...................................................................................................30
7.1.2. Proprietary Output Messages ....................................................................................31
7.2. NMEA Input Commands ........................................................................................32
7.2.1. Change output sentences and their rates...................................................................32
7.2.2. Change data rate.......................................................................................................32
7.2.3. Switch to OSP protocol..............................................................................................32
7.3. OSP Output Messages ..........................................................................................32
7.4. OSP Input Commands...........................................................................................32
7.4.1. Change output messages..........................................................................................32
7.4.2. Change data rate.......................................................................................................32
7.4.3. Switch to NMEA protocol and data rate......................................................................32

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8. Flash Upgradability ....................................................................................................33
9. Electrical Interface......................................................................................................34
9.1. Module Pin-out.......................................................................................................34
9.2. DC Characteristics .................................................................................................36
9.3. Absolute Maximum Ratings....................................................................................36
9.4. Power Supply.........................................................................................................37
9.4.1. Voltage Supply Design...............................................................................................37
9.4.2. 1.8 V Supply Voltage .................................................................................................37
9.4.3. DC Power Requirements ...........................................................................................37
9.4.4. ON-OFF (input) and SYSTEM-ON (output)................................................................38
9.4.5. DC Power Consumption ............................................................................................39
9.5. Reset......................................................................................................................41
9.6. Boot Select.............................................................................................................41
9.7. Host I/O Port Configuration and Operation.............................................................42
9.7.1. Host Port Configuration for 1st Port (port 0)................................................................42
9.7.2. Host Port Configuration for 2nd Port (port 1)..............................................................43
9.7.3. UART Operation........................................................................................................43
9.7.4. I2C Operation.............................................................................................................44
9.7.5. SPI Operation............................................................................................................45
9.8. RF Interface ...........................................................................................................46
9.8.1. RF Input.....................................................................................................................46
9.8.2. External Active Antenna Voltage................................................................................46
9.8.3. Burnout Protection.....................................................................................................46
9.8.4. Jamming Rejection ....................................................................................................46
9.8.5. Frequency Plan..........................................................................................................47
9.9. Local Oscillator Leakage........................................................................................47
10. Reference Designs..................................................................................................48
11. RF Front End Design...............................................................................................51
11.1. RF Signal Requirements.....................................................................................51
11.2. GNSS Antenna Polarization................................................................................52
11.3. Active versus Passive Antenna...........................................................................53
11.4. GNSS Antenna Gain...........................................................................................53
11.5. External LNA Gain and Noise Figure..................................................................54

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11.6. System Noise Floor.............................................................................................54
11.7. RF Trace Losses.................................................................................................55
11.8. PCB stack and Trace Impedance.......................................................................55
11.9. Implications of the Pre-Select SAW Filter...........................................................56
11.10. Powering an External LNA (active antenna)....................................................56
11.11. RF Interference................................................................................................57
11.12. Shielding..........................................................................................................57
12. Mechanical Drawing................................................................................................58
13. PCB Footprint..........................................................................................................59
14. Product Packaging and Handling ..........................................................................60
14.1. Product Marking and Serialization ......................................................................60
14.2. Product Packaging and Delivery.........................................................................61
14.3. Moisture Sensitivity.............................................................................................63
14.4. ESD Sensitivity ...................................................................................................64
14.5. Reflow.................................................................................................................65
14.6. Assembly Considerations ...................................................................................65
14.7. Washing Considerations.....................................................................................65
14.8. Safety..................................................................................................................65
14.9. Disposal..............................................................................................................66
15. Environmental Requirements.................................................................................67
15.1. Operating Environmental Limits..........................................................................67
15.2. Storage Environmental Limits.............................................................................67
16. Compliances............................................................................................................68
16.1. CE Declaration of Conformity .............................................................................69
16.2. RoHs Compliance...............................................................................................70
17. Glossary and Acronyms.........................................................................................71
18. Safety Recommendations.......................................................................................75
19. Document History ...................................................................................................76

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Figures
Figure 2-1 SE868-V3 Block Diagram ..............................................................................................14
Figure 2-2 SE868-V3 Module Photo................................................................................................15
Figure 3-1 SE868-V3 Evaluation Kit Contents.................................................................................16
Figure 3-2 SE868-V3 Evaluation Kit................................................................................................17
Figure 9-1 SE868-V3 Pin-out Diagram............................................................................................34
Figure 10-1 SE868-V3 Reference Design – Passive Antenna.........................................................48
Figure 10-2 SE868-V3 Reference Design – Active Antenna............................................................49
Figure 11-1 Cascade Noise Figure – example calculations with external LNA ................................54
Figure 11-2 RF Trace Examples.....................................................................................................55
Figure 12-1 SE868-V3 Mechanical Drawing....................................................................................58
Figure 13-1 SE868-V3 PCB Footprint.............................................................................................59
Figure 14-1 Product Label...............................................................................................................60
Figure 14-2 Product Packaging - Tray.............................................................................................61
Figure 14-3 Product Packaging - Tape and Reel.............................................................................62
Figure 14-4 Moisture Sensitive Device Label..................................................................................64
Tables
Table 2.1 SE868-V3 Product Variants - Hardware..........................................................................13
Table 2.2 SE868-V3 Product Variants - Firmware...........................................................................13
Table 4-1 Internal gain value and external gain range.....................................................................21
Table 4-2 Power Management Modes...........................................................................................23
Table 6-1 SE868-V3 Horizontal Position Accuracy..........................................................................27
Table 6-2 SE868-V3 Time To First Fix............................................................................................28
Table 6-3 SE868-V3 Sensitivity.......................................................................................................29
Table 7-1 Default NMEA Output Messages.....................................................................................30
Table 7-2 Available NMEA Output Messages .................................................................................31
Table 7-3 NMEA Talker IDs ............................................................................................................31
Table 9-1 SE868-V3 Pin-out Function Table...................................................................................35
Table 9-2 DC Characteristics..........................................................................................................36
Table 9-3 Absolute Maximum Ratings.............................................................................................36
Table 9-4 DC Supply Voltage..........................................................................................................37
Table 9-5 Power Consumption – SE868-V3 Gen 1 .........................................................................39
Table 9-6 Power Consumption – SE868-V3 Gen 2 .........................................................................40
Table 9-7 Host I/O Port Configuration – First port (port 0)...............................................................42
Table 9-8 UART Pin Assignments...................................................................................................43
Table 9-9 I2C Pin Assignments.......................................................................................................44
Table 9-10 SPI Mode Pin Assignments...........................................................................................45
Table 9-11 Frequency Plan.............................................................................................................47
Table 9-12 LO Leakage ..................................................................................................................47
Table 11-1 Inductor Loss ................................................................................................................57
Table 15-1 SE868-V3 Operating Environmental Limits ...................................................................67
Table 15-2 SE868-V3 Storage Environmental Limits ......................................................................67

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1. Introduction
1.1. Purpose
The purpose of this document is to provide product information for the SE868-V3 GNSS
module.
1.2. Contact Information, Support
For general contact, technical support, reporting documentation errors and to order manuals,
contact Telit Technical Support Center (TTSC) at:
[e-mail]
[e-mail]
[e-mail]
Alternatively, use:
http://www.telit.com/en/products/technical-support-center/contact.php
For detailed information about where you can buy the Telit modules or for recommendations
on accessories and components visit:
http://www.telit.com
To register for product news and announcements or for product questions contact Telit
Technical Support Center (TTSC).
Our aim is to make this guide as helpful as possible. Keep us informed of your comments and
suggestions for improvements.
Telit appreciates feedback from the users of our information.
1.3. Text Conventions
Danger – This information MUST be followed or catastrophic equipment failure or bodily
injury may occur.
Caution or Warning – Alerts the user to important points about integrating the module, if
these points are not followed, the module and end user equipment may fail or malfunction.
Tip or Information –Provides advice and suggestions that may be useful when integrating
the module.
All dates are in ISO 8601 format, i.e. YYYY-MM-DD.

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1.4. Related Documents
•SE868-V3 Data Sheet
•SE868-V3 Evaluation Kit User Guide (1VV0301206)
The following documents require a Non-disclosure agreement:
•NMEA Reference Guide (CS-129435-MA8)
•SiRFstar One Socket Protocol Interface Control Document (CS-129291-DCP15)
•SiRFstarV OSP Extensions (CS-303979-7)

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2. Product Description
The SE868-V3 modules are complete multi-constellation position, velocity, and time (PVT)
engines featuring high performance, high sensitivity, and low power consumption. These
modules are capable of excellent performance in harsh environments. The inclusion of the
GLONASS and BeiDou constellations yields better coverage, greater accuracy, and improved
availability.
The SE868-V3 module is based on the SiRFstar 5e (B02) flash GNSS chip.
The SE868-V3 is pin-compatible with the SE868-V2 and JF2 modules with some differences
for drop-in replacement. See Section 5 Product Compatibility for details.
2.1. Product Overview
•Complete GNSS receiver module including memory, LNA, TCXO, and RTC
•Based on the SiRFstar 5e (B02) flash GNSS chip
•Same footprint as JF2 and SE868-V2 modules (see Product Compatibility section
•GPS (L1), QZSS, and either Glonass (L1) or BeiDou (B1) simultaneous ranging
•Galileo ready
•SBAS capable (WAAS, EGNOS, MSAS, GAGAN), including ranging
•AGPS support for extended ephemeris using local or server-based solutions:
oClient-Generated Extended Ephemeris (CGEE)
oServer-Generated Extended Ephemeris (SGEE)
•Jamming Rejection
•Supports passive or active antenna
•1PPS output
•Fix reporting at 1 Hz or 5 Hz
•NMEA v3.1 command input and data output
•OSP (binary) command input and data output
•Standard UART serial port for input commands and output messages
•The serial port is configurable for UART, I2C, or SPI interface
•Second serial port is configurable for UART or I2C interface
•The Second port may be used for MEMS wakeup (with FW support)
•16 Megabit built-in flash memory
•70 mW typical power consumption (Full Power mode, GPS + GLONASS)
•Power management modes for extended battery life
oSiRFSmartGNSS I, SiRFSmartGNSS II
oPush-to-Fix, Trickle Power, SiRFaware
•Supported by evaluation kits
•-40°C to +85°C industrial temperature range
•11 x 11 x 2.62 mm 32-pin QFN package
•Surface mountable by standard SMT equipment
•RoHS compliant design

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2.2. Product Variants
2.2.1. Hardware
The first generation of SE868-V3 (Gen 1) was replaced by the second generation (Gen 2)
variant in January 2016. SE868-V3 (Gen 2) is fully backward compatible and has a reduced
power consumption of approximately ~35%.
Feature
SE868-V3
(Gen 1)
SE868-V3
(Gen 2 Low power)
Power
Supply
Linear
Switching
P/N ID
SE868V3AxxxPyyy
SE868V3BxxxPyyy
Table 2.1 SE868-V3 Product Variants - Hardware
2.2.2. Firmware
The firmware has two variants:
Feature
High Gain
Low Gain
Internal Gain
default
High
Low
Table 2.2 SE868-V3 Product Variants - Firmware

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2.3. Block Diagram
Figure 2-1 SE868-V3 Block Diagram

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2.4. SE868-V3 Module Photo
Figure 2-2 SE868-V3 Module Photo

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3. Evaluation Kit (EVK)
3.1. SE868-V3 Evaluation Kit
The Evaluation Kit (EVK) contains the necessary hardware and software to assist in
evaluation and integration of the module in customer applications.
Note: The antenna is included but not visible under the ground plane.
Figure 3-1 SE868-V3 Evaluation Kit Contents

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Figure 3-2 SE868-V3 Evaluation Kit

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4. Product Features
4.1. Multi-Constellation Navigation
GPS and GLONASS constellations are enabled by default.
The user may enable or disable GPS, GLONASS, and/or BDS constellations via OSP
command MID 222,16. Use of GLONASS or BDS alone may not give optimum positioning
results depending on the region that the receiver is located in.
4.2. QZSS support
The Japanese SBAS satellites are in a highly-inclined elliptical orbit which is geosynchronous
(not geostationary) and has analemma-like ground tracks. This orbit allows continuous
coverage over Japan using only three satellites. Their primary purpose is to provide
augmentation to the GPS system (which is not supported in the current FW version), but the
signals may also be used for ranging.
QZSS ranging is disabled by default, but can be enabled via OSP command MID 222,16.
4.3. Satellite Based Augmentation System (SBAS)
The receiver is capable of using SBAS satellites both as a source of differential corrections and
satellite ranging measurements. These systems (WAAS, EGNOS, GAGAN and MSAS) use
geostationary satellites to transmit regional corrections via a GNSS-compatible signal.
4.3.1. SBAS Corrections
The SBAS satellites transmit a set of differential corrections using a signal similar to that of the
GPS signals and in the same frequency band. The use of SBAS corrections can improve
positioning accuracy.
SBAS corrections are disabled by default but can be enabled via OSP MIDs 133, 138, and 170
commands. Thereafter, the receiver will demodulate and use corrections data from the SBAS
signal.
4.3.2. SBAS Ranging
The use of SBAS satellites can augment the number of measurements available for the
navigation solution, thus improving availability and accuracy.
SBAS satellite ranging is disabled by default but can be enabled via a $PSRF103 NMEA
command or OSP Mode Control command (MID 136).
4.4. Elevation Mask Angle
The default elevation mask angle is 5° which can be changed using OSP MID 139.

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4.5. Assisted GPS (AGPS) - SiRFInstantFix™
Assisted GPS (or Aided GPS) is a method by which TTFF is improved (reduced) using
information from a source other than current broadcast GPS signals. There are two sources of
predicted (extended) ephemeris:
•Locally-predicted ephemeris: Client-Generated Extended Ephemeris (CGEE)
•Server-predicted ephemeris: Server-Generated Extended Ephemeris (SGEE)
Both CGEE and SGEE are available for GPS and GLONASS satellites.
4.5.1. Client-generated Extended Ephemeris (CGEE)
Extended ephemeris is computed in the receiver and then stored locally in the flash memory.
Wheneverthe module receives ephemeris data for asatellite, it checks if it has computed CGEE
for that satellite recently. If it has not, it computes EE for that satellite (for the next 3 days for
GPS and 1 day for GLONASS) and stores it in flash memory. The next time the module turns
on and broadcast ephemeris is not available for a visible satellite, the stored CGEE data is
searched to see if it is still valid and can be used. If EE data is available for enough satellites,
the receiver can obtain a first fix in 10 to 15 seconds (typical) rather than the usual 35 seconds
without EE data. CGEE is enabled by default.
4.5.2. Server-generated Extended Ephemeris (SGEE)
Extended ephemeris is computed at the server and saved in a file which can then be downloaded
to the receiver’s flash memory. The server file contains 1, 3, 7, and 14, days of ephemerides.
To use SGEE data, a file must be transferred using NMEA or OSP commands. Please contact
Telit support for subscription details.
4.6. 2-D Positioning
By default, the module will compute a 2-D solution if possible when performing initial
acquisition. In a 2-D solution, the receiver assumes a value for altitude and uses it to estimate
the horizontal position. Under warm and hot start conditions, the receiver uses the last known
value of altitude, which is a good assumption in most situations. However under cold start
conditions, the last position is unknown, and the receiver assumes a value of 0. In situations
where the true altitude is significantly different from that, the horizontal position estimate will
be noticeably impacted. 2-D positioning is controlled by OSP MID 136.
4.7. Static Navigation
Static Navigation is an operational mode in which the receiver will freeze the position fix when
the speed falls below a set threshold (indicating that the receiver is stationary). The course is
also frozen, and the speed is reported as 0. The navigation solution is unfrozen when the speed
increases above a threshold or when the computed position exceeds a set distance from the
frozen position (indicating that the receiver is again in motion). These thresholds cannot be
changed by the user.