Satel SATELLINE M3-TR3 Quick setup guide

SATELLINE-M3-TR3
AND –TR4
TRANSCEIVER MODULES
INTEGRATION GUIDE
Version 2.1

SATELLINE-M3-TR3
and –TR4
Integration Guide, Version 2.1
1
IMPORTANT NOTICE
All rights to this manual are owned solely by SATEL Oy (referred to in this user guide as SATEL).
All rights reserved. The copying of this manual (without the written permission from the owner) by
printing, copying, recording or by any other means, or the full or partial translation of the manual
to any other language, including all programming languages, using any electrical, mechanical,
magnetic, optical, manual or other methods or devices is forbidden.
SATEL reserves the right to change the technical specifications or functions of its products, or to
discontinue the manufacture of any of its products or to discontinue the support of any of its
products, without any written announcement and urges its customers to ensure, that the
information at their disposal is valid.
SATEL software and programs are delivered ”as is”. The manufacturer does not grant any kind of
warranty including guarantees on suitability and applicability to a certain application. Under no
circumstances is the manufacturer or the developer of a program responsible for any possible
damages caused by the use of a program. The names of the programs as well as all copyrights
relating to the programs are the sole property of SATEL. Any transfer, licensing to a third party,
leasing, renting, transportation, copying, editing, translating, modifying into another programming
language or reverse engineering for any intent is forbidden without the written consent of SATEL.
SATEL PRODUCTS HAVE NOT BEEN DESIGNED, INTENDED NOR INSPECTED TO BE USED IN
ANY LIFE SUPPORT RELATED DEVICE OR SYSTEM RELATED FUNCTION NOR AS A PART OF
ANY OTHER CRITICAL SYSTEM AND ARE GRANTED NO FUNCTIONAL WARRANTY IF THEY
ARE USED IN ANY OF THE APPLICATIONS MENTIONED.
Salo, FINLAND 2017
Copyright: 2017 SATEL Oy
No part of this document may be reproduced, transmitted or stored in a retrieval system in any
form or by any means without the prior written permission of SATEL Oy. This document is
provided in confidence and must not be distributed to third parties without the express
permission of SATEL Oy.

SATELLINE-M3-TR3
and –TR4
Integration Guide, Version 2.1
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RESTRICTIONS ON USE
SATELLINE-M3-TR3 and –TR4 radio transceiver modules have been designed to operate on 403-
473 MHz, the exact use of which differs from one region and/or country to another. The user of
a radio transceiver module must take care that the said device is not operated without the
permission of the local authorities on frequencies other than those specifically reserved and
intended for use without a specific permit.
SATELLINE-M3-TR3 and –TR4 are allowed to be used in the following countries, either on license
free channels or on channels where the operation requires a license. More detailed information
is available at the local frequency management authority.
Countries: AT, BE, BG, CA, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HU, IE, IS, IT, LT, LU,
LV, MT, NL, NO, PL, PT, RU, RO, SE, SI, SK, US
WARNING! Users of SATELLINE-M3-TR3 and –TR4 radio transceiver modules in North America should be
aware, that due to the allocation of the frequency band 406.0 –406.1 MHz for government use only, the
use of radio transceiver module on this frequency band without a proper permit is strictly forbidden.
Host product labeling requirements
SATELLINE-M3-TR3 and –TR4 is intended to be integrated into a host device. Therefore the
SATELLINE-M3-TR3 and –TR4 product related FCC ID and IC ID must be visible in the host
device chassis:
FCC ID: MRBSATEL-TA23
IC ID: 2422A-SATELTA23
This integration guide applies to the combination of Firmware version/Hardware version listed in
the table below. See www.satel.com for the newest firmware and Integration Guide version.
Firmware version
Hardware version
Note!
07.22.2.0.2.4
SPL0020d,6
Since 12.08.2013
07.22.2.0.3.2
SPL0020d,7
01.10.2013
WARNING - RF Exposure
To comply with FCC and IC RF exposure compliance requirements, maximum antenna gain is
14 dBi and separation distance of at least 1 meter must be maintained between the antenna
of this device and all persons. This device must not be co-located or operating in conjunction
with any other antenna or transmitter.

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and –TR4
Integration Guide, Version 2.1
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PRODUCT CONFORMITY
Hereby, Satel Oy declares that SATELLINE-M3-TR3 and –TR4 radio transceiver modules are in
compliance with the essential requirements (radio performance, electromagnetic compatibility and
electrical safety) and other relevant provisions of Directive 1999/5/EC. Therefore the equipment
is labeled with the following CE-marking. The notification sign informs user that the operating
frequency range of the device is not harmonized throughout the market area, and the local
spectrum authority should be contacted before the usage of the radio module.

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and –TR4
Integration Guide, Version 2.1
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WARRANTY AND SAFETY INSTRUCTIONS
Read these safety instructions carefully before using the product:
-Warranty will be void, if the product is used in any way that is in contradiction with the
instructions given in this manual
-The radio transceiver module is only to be operated at frequencies allocated by local
authorities, and without exceeding the given maximum allowed output power ratings.
SATEL and its distributors are not responsible, if any products manufactured by it are used
in unlawful ways.
-The devices mentioned in this manual are to be used only according to the instructions
described in this manual. Faultless and safe operation of the devices can be guaranteed
only if the transport, storage, operation and handling of the device are appropriate. This
also applies to the maintenance of the products.

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Integration Guide, Version 2.1
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TABLE OF CONTENTS
IMPORTANT NOTICE ............................................................................................. 1
RESTRICTIONS ON USE ......................................................................................... 2
PRODUCT CONFORMITY........................................................................................ 3
WARRANTY AND SAFETY INSTRUCTIONS ............................................................. 4
TABLE OF CONTENTS ............................................................................................ 5
1INTRODUCTION ....................................................................................... 7
1.1 Terms and abbreviations........................................................................... 7
1.2 Description of the product ......................................................................... 7
1.3 DTE connector............................................................................................. 8
1.4 Pin order of the DTE connector .................................................................. 9
1.5 Antenna interface .................................................................................... 10
2MECHANICAL CONSIDERATIONS ........................................................... 11
2.1 Fixing device to host ................................................................................ 11
2.2 Host board instructions for mounting pegs............................................. 11
3CHANGING PARAMETERS USING SL COMMANDS ................................ 12
3.1 SL Commands........................................................................................... 12
3.2 SL Command Mode .................................................................................. 12
4OPERATING MODES ............................................................................... 14
4.1 Safe mode ................................................................................................ 14
4.2 Power up / power down scenarios........................................................... 14
4.3 Sleep Mode .............................................................................................. 15
4.4 Power Save Mode..................................................................................... 15

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4.5 Restart ...................................................................................................... 16
5TIME PARAMETERS FOR STARTUP AND SHUTDOWN SEQUENCES......... 17
5.1 Startup sequence ..................................................................................... 18
5.2 Shutdown sequence ................................................................................. 18
5.3 Stat pin ..................................................................................................... 19
5.4 Service pin................................................................................................ 19
6TECHNICAL SPECIFICATIONS.................................................................. 20
6.1 Absolute maximum ratings (* .................................................................. 22
6.2 DC electrical specifications....................................................................... 22
7DEFAULT DELIVERY VALUES ................................................................... 23
8CONSIDERATIONS.................................................................................. 24
8.1 EMI Interferers ......................................................................................... 24
8.2 Electrostatic discharge ............................................................................. 25
8.3 Using the device in unmanned high reliability applications .................. 25
9PROPOSALS FOR MORE RELIABLE RADIO LINK ..................................... 26
10 APPENDIX .............................................................................................. 27
10.1 SL COMMANDS......................................................................................... 27
11 VERSION HISTORY ................................................................................. 34

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1INTRODUCTION
SATEL Oy is a Finnish electronics and Telecommunications Company specializing in the design
and manufacture of wireless data communication products. SATEL designs, manufactures and
sells radio modems intended for use in applications ranging from data transfer to alarm relay
systems. End users of SATEL products include both public organizations and private individuals.
SATEL Oy is the leading European manufacturer of radio modems. SATEL radio modems have
been certified in most European countries and also in many non-European countries.
This document is the integration guide for the SATELLINE-M3-TR3 and –TR4 radio transceiver
modules. It is intended to describe how to use these modules and how to integrate those into a
host device.
1.1 Terms and abbreviations
Abbreviation
Description
CTS
Clear To Send, handshaking signal used in asynchronous
communication.
DTE
Data Terminal Equipment (typically computer, terminal…)
ESD
Electrostatic discharge
RD
Receive Data
TD
Transmit Data
RTS
Ready To Send, handshaking signal used in asynchronous
communication.
RAM
Random Access Memory
LDO
Low dropout regulator
UHF
Ultra High Frequency
RF
Radio Frequency
FPGA
Field-programmable gate array
CPU
Central processing unit
1.2 Description of the product
The SATELLINE-M3-TR3 and –TR4 are a UHF radio transceiver modules, that transmits and
receives data from UHF transmissions made by SATELLINE-3AS family and similar transmitters.
The module is designed to be as compact and power efficient as possible. It has been
developed to be especially suitable for integration into battery powered and space constrained
host applications benefiting from UHF communications.
The module transmits and receives data via the Air interface (Ant. Connector, RF), modulates
and demodulates, encodes and decodes the data and sends the received data payload to the
DTE port. The DTE interface is used to provide power to the module and communicate with the
module.

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1.3 DTE connector
The DTE connector is a 20-pin pass-through connector. This connector allows the pin to enter the
connector from the bottom side and protrude thru the module PCB to the top side, allowing flexible
mounting heights with various pin lengths.
Entry from bottom of device, see picture below.
Figure 1. Side view of the module with 1.27mm pitch connector and screw fixing.
Figure 2. Pin numbering of 1.27 mm pitch DTE connector. View from bottom side of unit.
NOTE! In the bottom side of the actual PCB board the numeric values of 1 and 2 are
placed in the wrong order.

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Integration Guide, Version 2.1
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1.4 Pin order of the DTE connector
Direction IN is data from DTE (Data Terminal Equipment) to the radio transceiver module.
Direction OUT is data from the radio module to the DTE.
Pin
No.
Signal
name
Type
Direction
Pin State
Description
1,2
VCC_IN
POWER
IN
External Voltage
4.0V DC input
3,4
GND
GND
-
External Ground
Ground reference for power
and signals
5
VCC_IO
POWER
IN
External Voltage
Device IO driver input DC
voltage.
Voltage= 1.8 … 3.3 V
6
ENA_MOD
IO
IN
Internal Pull Down
Enable module by pulling
HIGH.
>1.2 V= Module power is
ON,
<0.2 V= Module power is
OFF
7
RD1
CMOS
OUT
Output Driver
Receive data.
Data received by module is
output on this pin. Driving
this pin is prohibited.
8
CTS1
CMOS
OUT
Output Driver
Clear To Send.
Module signals when it is
ready to receive data.
Driving this pin is prohibited.
9
TD1
CMOS
IN
Internal Pull Up
Transmit Data.
Data from DTE to module
shall be sent on this pin. Pull
LOW or drive LOW or
HIGH.
10
RTS1
CMOS
IN
Internal Pull Up
Ready to send.
DTE can use this pin to
signal when it is ready to
receive data from module.
Pull LOW or drive LOW or
HIGH.
11
GPIO1
CMOS
IN
Internal Pull Down
Unconnected.
12
GPIO2
CMOS
IN
Internal Pull Down
13
GPIO3
CMOS
IN
Internal Pull Down
14
GPIO4
CMOS
IN
Internal Pull Down

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1.5 Antenna interface
The antenna interface is a 50 Ωcoaxial connector. Matching networks are not included on the
module and should be placed in the host application if the antenna is not 50 Ω. The HIROSE
U.FL compatible connector is located on the TOP side of the board.
NOTE! The used connector has gold plated contacts - whereas a standard HIROSE U-FL has
silver plated contacts.
If silver - gold joints are not allowed in your product, use gold plated cable-connector to mate to
this device.
15
STAT
CMOS
OUT
Output Driver
Status signal. “1” when
device is OK and working
normally. Various toggle
sequences for other state
indications. See separate
section of manual. Can
drive LED directly. 10mA
output drive capability.
Driving this pin is prohibited.
16
GPIO5
CMOS
IN
Internal Pull Down
Unconnected
17
SERVICE
IN
Internal Pull Up
Input for service access.
Internally pulled high.
Pull LOW / drive LOW to set
UART1 (RD1, TD1) into
known state. See separate
section of manual.
18
GPIO6
CMOS
IN
Internal Pull Down
Unconnected.
19
GPIO7
CMOS
IN
Internal Pull Down
Unconnected.
20
GPIO8
CMOS
IN
Internal Pull Down
Unconnected.

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Integration Guide, Version 2.1
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2MECHANICAL CONSIDERATIONS
2.1 Fixing device to host
The radio transceiver module can be mounted on to the host by using spacers and screws. Max.
screw diameter is 3mm.
2.2 Host board instructions for mounting pegs
In figure below is SATELLINE-M3-TR3 with dimensions as millimeters.
Figure 3. The physical dimensions and the holes in millimeters.

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3CHANGING PARAMETERS USING SL COMMANDS
The controlling terminal device can change the configuration settings of the module. This is
accomplished with the help of SL commands. SL commands can be used to change e.g. the
frequency or addresses. It is also possible to ask the radio transceiver module to show current
settings which are in use.
3.1 SL Commands
An SL command is a continuous string of characters, which is separated from other data by pauses
which are equal or greater than time defined by Pause length parameter (default=3 characters)
in the set-up. No extra characters are allowed at the end of an SL command.
Serial interface settings are the same as in data transfer. SL command is properly recognised also
in the case when the command string is terminated by <CR> (=ASCII character no. 13, Carriage
Return, 0x0d) or <CR><LF> (<LF> = ASCII char. no. 10, Line Feed, 0x0a). If multiple SL
commands are sent to the module, the next command can be given after receiving the response
("Ok" or "Error") of the proceeding command. In addition, it is recommended to implement a
timeout to the terminal software for recovering the case when no response is received from the
radio module.
The transceiver module will acknowledge all commands by returning an "OK" (command carried
out or accepted) or the requested value, or an "ERROR" (command not carried out or interpreted
as erroneous) message.
The SL commands are listed in appendix, pages 27.
3.2 SL Command Mode
The SL commands have always been enabled in the previous products like M3-R3. When the SL
commands are enabled there are possibilities that the user data may start with the characters “SL”
which is handled as the SL command. This has caused the firmware to go to the continuous SL
command search mode and any data has not been sent or even an “ERROR” acknowledgment
has been received. To avoid this kind behavior the user can disable the SL commands. The SL
commands can be disabled or enabled using the “SL Command mode”parameter. The user can
do this via the SATEL Configuration Manager, version v1.3.15 or newer.
By default the SL Command mode is set to ON. If the SL Command mode is set to OFF then the
SL commands can be enabled or disabled by using the below described procedure. Regardless of
original SL command –setting state, changing the setting state with this procedure will effect to the
reception process of the radio module. SL command –setting state can be changed only via SATEL
Configuration Manager in maintenance access level.

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To enable the SL Commands (disables reception):
Send three “+” characters via serial port so that there is at least three bytes delay
between each character. The response is “OK”, when successfully set.
<+><at least three bytes pause><+><at least three bytes pause><+>
To disable the SL Commands (enables reception):
Send three “-” characters via serial port so that there is at least three bytes delay between
each character. The response is “OK”, when successfully set.
<-><at least three bytes pause><-><at least three bytes pause><->
Note!
The “+ + +” and “- - -” procedures are not allowed to be used, when radio is transmitting or
receiving data (i.e. the application data occupies the TD or RD lines of the radio).

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4OPERATING MODES
The radio transceiver module has the following modes of operation:
Mode
Function
Description
Ready to receive
from RF
Search for sync
Module is searching for the start of a radio
transmission from the RF signal.
Receive data
The module has found a valid radio transmission and
is receiving data.
TX
Transmit
The module transmits
Safe mode
Mode is entered when a fault has been detected and
the device has been Rebooted. In safe mode fault
codes can be read from the module.
Sleep mode
Sleep1
Will turn the module into a state where it will hold
parts of the radio on, wakeup will take approx. 30 ms
Power Save
mode
Power save
Automatic sleep/wake-up procedure where module
sleeping time is dynamically adjusted to received data
packets. Decreases the power consumption of
complete receiving cycle approx. 30%.
4.1 Safe mode
When a fault has been detected by the Firmware, the module is set to Safe mode. In this mode
the module toggle’s the Stat Pin in 250ms interval indicating an Error and reboots the device
after 5s. Transmitting/Receiving is prohibited during malfunction. When connecting to the device
with SATEL Configuration Manager the Error code is shown in pop up box. If the device does not
recover after multiple reboots, please contact Satel Oy.
Satel Configuration Manager can be downloaded from website www.satel.com/downloads.
The version 1.3.15 or newer is compatible with SATELLINE-M3-TR3 and –TR4 radio transceiver
modules.
4.2 Power up / power down scenarios
The transceiver module can be set in four (4) states, “ON”, “OFF”, “sleep1” and “Power Save”.
When power is applied to the module, the module switches to ON state when voltage in
ENA_MOD pin is >1.2V.
The module can be shut down by driving ENA_MOD line to <0.2V.
In the “OFF” state current consumption is only that of leakage current from an LDO (0.34 mA).
In this state all non-essential parts off the module are powered down and all settings / state
information that are not stored in NVM are reset.

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4.3 Sleep Mode
When being in sleep mode, the radio part of the module is switched off while the serial interface
communication related parts remain powered on. The module will be automatically woken up
after the CPU senses a state change in the TD1 pin. Example: The module is in Sleep1- mode.
The module is woken up by sending a character or characters into the TD1 pin after which the
module responses “OK”. After “OK” the module is ready for normal communication.
To turn the module ON from sleep1 mode:
1) Issue a state change to TD1 (toggle pin (minimum pulse duration time 10 µs) or issue a
byte on the UART (for example 0x00))
2) Wait for “OK” -response from the module. The wake-up time is approx. 30 ms.
3) Start communicating normally
Module will remain powered ON until a new sleep command is issued.
4.4 Power Save Mode
The Power save mode performs an automatic, self-adjusting receiver wake-up/sleep cycle.
It is designed for applications which base on one-way communication with relatively constant TX
interval and, in which the data packet separation is > 200 ms.
When enabled, the unit makes the transmission interval study basing on four (4) successfully
received data packets. The shortest time between transmitted packets is measured (tmin).
Measured value is updated after each successfully received data packet, so that possible
changes in the message length becomes noted.
Ensuring that the complete messages will be received even if there occur little variation in
transmission interval, some safety margin (tmarg) is left into Ready to receive from RF mode time.
Safety margin is calculated by dividing the shortest time between transmitted packets (tmin, in ms)
with 8 and by adding 60 ms to this result:
tmarg =
tmin
8
+ 60 ms
The length of the whole sleeping period (tsleep) is calculated by decreasing the shortest time
between transmitted packets (tmin) with safety margin (tmarg) and transmission time of the original
message (tTX):
tsleep= tmin − tmarg − tTX

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Transmission interval study is started over always after 100 successful sleep/wake-up cycles and,
if the expected receiving slot (tRX slot) with enhanced overlap margin (toverlap) has been missed. In
latter case the package is considered to be lost.
toverlap = tmarg + 100 ms
tRX slot, min = tmin - tmarg
tRX slot, max = tmin + toverlap
tTX
tmin
tRX slot
t
0
tsleep
toverlap
tmarg
Figure 4. Power save mode timing factors.
E.g. In system with TX interval of 1 s, and with 300 ms (approx. 300B @ 9600 bps) transmission
time:
tmin = 1000 ms
tTX =300 ms
tmarg =125 ms + 60 ms = 185 ms
tsleep= 1000 ms − (125 ms + 60 ms) − 300 ms = 515 ms
tRX slot, min = 1000 ms –185 ms = 815 ms
tRX slot, max = 1000 ms + 285 ms = 1285 ms
4.5 Restart
After startup the module can be restarted by issuing a SL command, upon which the module will
shut down all circuitry, and Reboot the CPU (see SL-list).

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and –TR4
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5TIME PARAMETERS FOR STARTUP AND SHUTDOWN
SEQUENCES
Parameter
Recom. Time (*
Explanation
Tvic
Input capacitor
charge time
>50µs
When voltage is applied to VCC_IN the filter
capacitors inside the module are charged,
creating a small current surge. If the feeding
power supply is not very strong it is
recommended to wait this time before rising
ENA_MOD to minimize current surge.
Tioen
IO module start
time
<18ms
ENA_MOD enables the LDOs feeding the
FPGA and CPU inside the module. It is
recommended to apply VCC_IO voltage
within 18ms after ENA_MOD is applied.
Tiovs
IO voltage
startup time
<1ms
It is considered good design practice to KEEP
all IO signals (except ENA_MOD) low or
floating until the internal parts of the module
have power and the IO voltage is stable.
Tior
IO drive fall
time
< 300 µs
It is considered good design practice to set
all IO signals (except ENA_MOD) low or
floating before starting to shut down the
transceiver module. This way any latch
up/brownout problems can be avoided. IO-
pins are not internally driven after Tior.
Tldof
LDO discharge
time
> 300 µs
To avoid any possibility of reverse biasing of
regulators inside the module, it is considered
good design practice to use ENA_MOD to
shut down the regulators before deactivating
VCC_IN.
Table. Startup and shutdown sequence parameters.
*) Recommendations:
The radio module is designed and tested for the minimum times mentioned in the table. The
recommendations are there for those who want to do the very best possible startup and
shutdown sequences.

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5.1 Startup sequence
The following diagram will describe the startup sequence.
Figure 7. Startup sequence.
5.2 Shutdown sequence
The following diagram will describe the shutdown sequence.
Figure 8. Shutdown sequence.

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5.3 Stat pin
The STAT pin indicates the status of the device. It can be used to drive a LED using a series
resistor. STAT pin drive capability is 10mA (loads the VCC_IO).
The STAT pin has the following behavior.
Blink cycle
Mode
“1” - statically
module is operational “searching for a new frame”
“0” for the endurance of the
received frame.
“0” when module is receiving data from air interface.
In practical cases will toggle at the frequency of the data
packets on the air interface.
“0” statically
Module is in sleep1 mode
The pin is toggled in transmission
interval
Module is sending data Over the Air
Pin is toggled in 1s interval
Module has the connection to Configuration Manager
program.
Pin is toggled in 500ms interval
SL Command mode.
Pin is toggled in 250ms interval
Module has detected a fault, fault codes can be read via
Configuration Manager program.
Table. Modes of STAT pin.
5.4 Service pin
The SERVICE pin is used to set the UART1 into a known state. Pulling this pin low will activate
the service mode and set the UART1 into 38400, n, 8, 1. This is intended for service access of
the module, to have a known serial port setting in order to access the module settings.
The pin does not affect any permanent settings, nor does it change the mode of the module.
Releasing/ driving the pin high will return serial port 1 into the configured state.
When service pin is used the SL Commands are forced to be ON although they are OFF in
settings.