SIRETTA SNYPER-LTE Graphyte User manual

SNYPER-LTE Graphyte
High performance 4G/LTE network signal
analyser & data logger available in EU, USA
and AP versions.
Applicable models:
SNYPER-LTE Graphyte
SNYPER-LTE Graphyte V2
User Manual
Rev 1.7

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Table of Contents
Page
Introduction 3
Overview 4
What’s in the Box? 4
General Description 5
Features 6
Differences between SNYPER-Graphyte and
SNYPER-Graphyte V2
6
Specications 9
Directional Antenna Characteristics 11
Omni-directional Antenna Characteristics 12
Total SNYPER Graphyte Survey Storage 14
Product Images 15
First Time Use of the SNYPER Graphyte 17
Charging and Battery Status 18
Main Menu 19
Saved Results 20
Show Results 21
Show Summary 21
Export Results 22
Survey Menu 23
Performing a Single Survey 24
Performing a Multiple Cycle Survey 27
LiveSCAN 30
Performing a LiveSCAN 31
Setup Menu 33
About Menu 38
PC Connect 39
Viewing Single Survey Results on a PC 41
Viewing Multiple Cycle Survey Results on a PC 43
Viewing LiveSCAN Results on a PC 46
Power Off 47
Updating the SNYPER Graphyte Software 48
Safety Product and Care 51
General Precautions 51
Safety Recommendations 52
Copyright Information 53
Copyright Declarations 53
Trademarks 53
Disclaimer 54
Definitions 55

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There are two base models of product covered by the User Manual. The original product,
the SNYPER-LTE GRAPHYTE, and the SNYPER-LTE GRAPHYTE V2. The SNYPER-LTE
GRAPHYTE V2 is an improvement on the original design, supporting additional cellular
frequency bands and additional LiveSCAN modes. In all other respects the SNYPER-LTE
GRAPHYTE V2 is the same as the original SNYPER-LTE GRAPHYTE.
This user manual will cover all the aspects of the features, setup and use of both versions
of the SNYPER-LTE Graphyte (EU) and, SNYPER-LTE Graphyte (USA) and SNYPER-
LTE Graphyte (AP). When describing features common to all versions of the product, the
term ‘SNYPER Graphyte’ is used throughout this user manual. No prior knowledge of the
operating principles of the cellular mobile network is required.
This manual explains how to use the SNYPER Graphyte to conduct cellular surveys, identify
the cells available at the survey location, their characteristics and signal strength. This
information may then be used to help successfully deploy a cellular connected device such
as a modem or router.
This document describes the operation of the SNYPER Graphyte (all versions) with software
version 6.10.10 – 4.01 loaded. Operation with other software versions may be different.
Introduction

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Overview
6
3
4
55 7
8 1
2
2
SNYPER-LTE Graphyte with support cradle underneath
USB Wall plug charger with adapters for UK, Europe, USA and
Australasia/China
2x USB cables - 0.5m and 1.8m
USB car charger adapter
Omni-directional Antennas - General Purpose (Black) and 2600MHz
(Silver/Grey)*
Directional Antenna
Extension Cable for Directional Antenna
Stand for support cradle
1
2
3
4
5
Figure 1. SNYPER-LTE-Graphyte case contents
What’s in the Box?
6
7
8
Portable carry case
*The Silver Grey Antenna (2600 MHz) as shown in Figure 1 is not applicable to SNYPER-LTE Graphyte V2 (USA).

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The SNYPER-LTE Graphyte (EU) is designed to survey the cellular networks in Europe and
Africa used by mobile phones and data terminals. The SNYPER-LTE Graphyte (USA) and
SNYPER-LTE Graphyte (AP) are complementary products designed to survey the cellular
networks in the USA and Asia-Pacic regions respectively. The term “Graphyte” used
in this manual refers to all models of the SNYPER Graphyte. The Graphyte enables the
operator to rst determine which networks are within coverage range, and then optionally
to lock to a desired cell to monitor the received signal strength of that cell only (LiveSCAN
mode). Additionally, both normal and LiveSCAN modes may be run continuously, logs of
all measurements taken saved, and both html and .CSV formatted summary documents
produced.
There are many different frequency bands that cellular equipment uses, and they vary region
by region and country by country. In general, different regions tend to use common frequency
bands, but there are always exceptions. While the SNYPER-LTE Graphyte (EU) was designed
for the frequency bands typically found in Europe, in many cases these same bands can be
found in other countries and regions around the world. Similarly, the SNYPER-LTE Graphyte
(USA) can survey networks outside of the USA, especially other countries in North and South
America and the Caribbean.
Additionally, just because a frequency band may be used in a country, that does not
necessarily mean that an operator has taken out a license to do so. Please check the
frequency bands supported by the Graphyte (see page 9) with the frequency bands used in
the country in which the surveys are being conducted. One way to do this is to search for
“List of mobile network operators by region” on Wikipedia, another is by directly contacting
and asking the local network operators.
General Description

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»Reports details of all cells on all networks in coverage range
»SNYPER-LTE Graphyte (EU) provides European coverage of 4G/LTE, 3G/UMTS &
2G/GSM cellular networks. Bands covered vary by model.
»SNYPER-LTE Graphyte (USA) provides North American coverage of 4G/LTE &, 3G/
UMTS cellular networks. Bands covered vary by model.
»SNYPER-LTE Graphyte (AP) provides Asia-Pacic coverage of 4G/LTE & 3G/UMTS
cellular networks. Bands covered vary by model.
»SIM free operation
»Perform automatic repeated surveys at programmable intervals to see how
coverage at a site varies over time, or to discover all the cells visible over a route
travelled.
»Download clear reports in .HTML format for reading in a web browser
»Download .CSV les for import into Excel
»Use the LiveSCAN feature to watch the received signal strength of a cell over time.
Use this to correctly align a directional antenna and perform a cellular site survey.
»Store up to 84 surveys
»240 x 320 resolution TFT display
»Powered by internal battery, or through USB connector
»Audible notication of events
»Language support for English, German, French, Italian and Spanish
Features
Differences between SNYPER-Graphyte and SNYPER-Graphyte V2
The SNYPER-Graphyte V2 is an updated version of the original SNYPER-Graphyte product.
There are two key differences between the products. The improvements that the V2 product
offers are:
»The SNYPER-Graphyte V2 has additional frequency bands of operation
»SNYPER-LTE Graphyte V2 (EU)
»UMTS Band 3 (1800) MHz
»LTE Band 28A (700 MHz)
»SNYPER-LTE Graphyte V2 (USA)
»UMTS Band 4 (1700 MHz)
»LTE Band 14 (700 MHz), Band 66 (1700 MHz) & Band 71 (600 MHz)

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»The SNYPER-Graphyte V2 has improved frequency bands of operation
»LiveSCAN locks to the cell in addition to the frequency that the cell is operating at
»This means that when moving away from the scanned cell, the signal level will
eventually reduce to zero. The original SNYPER-Graphyte, because it locked
to the frequency only, when moving away from the scanned cell eventually
the signal strength would rise as an alternate cell using that frequency was
approached.
»LiveSCAN additionally shows the following:
»UMTS: RSCP & ECIO
»LTE: RSRP & RSRQ
The table over page shows typical test data for a SNYPER-LTE Graphyte in semi-urban
location.

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Number of Survey
Cycles in Log
Test Condition File
Size Observed (KB)
Rule of Thumb
Guidance (KB) Survey Capacity
1 62 78 84
5 118 148 73
10 155 194 55
15 188 235 46
25 250 313 34
50 404 505 21
75 637 796 13
100 904 1130 9
200 1467 1834 6
500 3782 4728 2
Default settings used in the example are shown below.
»Pre-set status: Pre-set interval between one survey nishing and the next
starting - 0 mins i.e. automatic back to back survey testing
»File Status: CSV and HTML les created
»LiveSCAN Logs: No LiveSCAN logs created due to variability of disk usage vs.
time
»Debug Logs: No Debug logs created due to variability of disk usage vs. time
Table 1. SNYPER-LTE Graphyte survey storage
NOTE: These results could vary considerably between locations and are shown as an example
of a semi-urban setting. The size of the log will be totally dependant on the number of cells
discovered by the SNYPER-Graphyte. As a very general rule, the more urban the environment
the greater the number of cells likely to be discovered.

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Specifications
Table 2. SNYPER-LTE Graphyte frequency band support
SNYPER-LTE Graphyte (EU) SNYPER-LTE Graphyte (USA)
2G/GSM supported bands: B3 – 1800 MHz (DCS)
B8 – 900 MHz (Extended GSM) Not supported
3G/UMTS supported bands: B1 – 2100 MHz (IMT)
B8 – 900 MHz (Extended GSM)
B2 – 1900 MHz (PCS)
B5 – 850 MHz (Cellular)
4G/LTE supported bands:
B1 – 2100 MHz (IMT)
B3 – 1800 MHz (DCS)
B7 – 2600 MHz (IMT-E)
B8 – 900 MHz (Extended GSM)
B20 – 800 MHz (Digital Dividend)
B2 – 1900 MHz (PCS)
B4 – 1700 MHz (AWS)
B5 – 850 MHz (Cellular)
B12 – 700 MHz (Lower SMH)
B13 – 700 MHz (Upper SMH)
Table 3. SNYPER-LTE Graphyte V2 frequency band support
Supported
bands:
SNYPER-LTE Graphyte V2
(EU)
SNYPER-LTE Graphyte V2
(USA)
SNYPER-LTE Graphyte V2
(AP)
2G
(GSM)
B3 – 1800 MHz (DCS)
B8 – 900 MHz (Extended GSM) Not supported Not supported
3G
(UMTS)
B1 – 2100 MHz (IMT)
B3 – 1800 MHz (DCS)
B8 – 900 MHz (Extended GSM)
B2 – 1900 MHz (PCS)
B4 – 1700 MHz (AWS-1)
B5 – 850 MHz (Cellular)
B1 – 2100 MHz (IMT)
B5 – 850 MHz (Cellular)
B6 – 800 MHz (UMTS 800)
B8 – 900 MHz (Ext. GSM)
B19 – 850 MHz (Upper 800)
4G
(LTE)
B1 – 2100 MHz (IMT)
B3 – 1800 MHz (DCS)
B7 – 2600 MHz (IMT-E)
B8 – 900 MHz (Ext. GSM)
B20 – 800 MHz (Digital Dividend)
B28A** – 700 MHz (APT)
B2 – 1900 MHz (PCS)
B4 – 1700 MHz (AWS)
B5 – 850 MHz (Cellular)
B12 – 700 MHz (Lower SMH)
B13 – 700 MHz (Upper SMH)
B14 – 700 MHz (Upper SMH)
B66 – 1700 MHz (Ext. AWS)
B71 – 600 MHz (Digital Dividend)
B1 – 2100 MHz (IMT)
B3 – 1800 MHz (DCS)
B5 – 850 MHz (Cellular)
B8 – 900 MHz (Ext. GSM)
B9*– 1800 MHz (DCS)
B18 – 850 MHz (Lower 800)
B19 – 850 MHz (Upper 800)
B26 – 850 MHz (Ext. Cellular)
B28 – 700 MHz (APT)
*B9 was intended for use in Japan, but not deployed
**B28A is a subset of B28 using the lower duplexer frequencies (Tx : 703-733 MHz / Rx : 758-788 MHz)

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*The battery will only charge when the temperature is between +10 to +45°C for safety and battery life reasons.
**Based on 20 surveys/day at room temperature with automatic power off enabled. Operating at the extremes of the
operating temperature range will degrade battery life.
***SNYPER-Graphyte turned off and stored at 25 °C.
Dimensions: 147mm x 76mm x 36mm
Weight: 200g (excluding antenna)
Operating temperature range: -10 to +50°C*
Storage temperature range: -20 to +50°C*
Operating humidity range: 45 to 85% RH non-condensing
Antenna connector: SMA female
Display: 2.4” QVGA 320 x 240 TFT with LED backlight, 500 cd/m2brightness
Battery life: 48 hours normal use**
6 months shelf life when fully charged***
Battery: 2000mAh Lithium Ion
Voltage: 3.7V
IP rating: 30
USB connector: Mini-B
USB load current:
500 mA typical (battery on charge)
250 mA typical (battery fully charged, full survey in progress)
160 mA typical (battery fully charged, no survey in progress)
120 mA typical (battery fully charged, unit in standby with display dimmed)
Table 4. Common SNYPER-LTE Graphyte Specication

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Directional Antenna Characteristics
The directional antenna should be used in conjunction with the 1.5m cable supplied.
The characteristics of the directional antenna are shown below.
Directional Antenna - Return Loss Graph
Directional Antenna - VSWR Graph
Figure 2. Return loss graph
Figure 3. VSWR graph

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Omni-directional Antenna Characteristics
General Purpose Antenna (Black)
The characteristics of the black general purpose antenna are shown below.
Black Antenna - Return Loss Graph
Black Antenna - VSWR Graph
Figure 4. Return loss graph
Figure 5. VSWR graph

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2600 MHz Antenna (Light Grey)
The characteristics of the light grey 2600MHz antenna are shown below.
Light Grey Antenna - Return Loss Graph
Light Grey Antenna - VSWR Graph
Figure 6. Return loss graph
Figure 7. VSWR graph

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The maximum total number of surveys that the SNYPER Graphyte can store is 84. This
means 84 presses of the survey button (single cycle surveys or multi-cycle surveys).
If multi-cycle surveys are performed, then the le size also comes into play. It then
depends on how many cells are found during each survey and how many cycles
are recorded in the survey. Disk space could now become the potential limitation on
surveys recorded in dense network locations such as big cities.
Saving both HTML and CSV les are optional. Saving these les can be disabled in the
setup options to conserve disk space.
Total SNYPER Graphyte Survey Storage

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Product Images
Figure 8. Front view of the SNYPER Graphyte
320 x 240
LCD Display
(51 x 38mm viewing area)
RIGHT Button
BACK Button
DOWN Button
OK Button
LEFT Button
Battery Charge
Indication LED
ON/OFF Button
UP Button

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Figure 9. Bottom view of the SNYPER Graphyte Figure 10. Top view of the SNYPER Graphyte
SIM Slot*
USB Mini Socket
SMA Female
Antenna Connector
*Although there is a SIM slot, NO SIM card is required to operate the SNYPER Graphyte.
**The tripod connects to the cradle using a standard ¼” screw tting as used on camera mounting accessories.
This allows the use of telescopic camera poles etc. to be used to position the SNYPER if required by the user.
Figure 11. SNYPER attached to Tripod
**
Cradle Tripod

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»When rst received, the battery charge state may be very low.
Before using the Graphyte for the rst time it is recommended
that the internal battery be charged for at least 4 hours by
connecting the unit to a powered USB port (either computer
or the supplied mains adapter) using the supplied USB cable.
If the USB port is supplying power correctly, the Graphyte will
turn on and the red charge state LED in the top left of the front
panel will illuminate. The Graphyte will always turn itself on when
connected to a powered USB port. When not connected to a
charging source, the Graphyte will be turned on by pressing the
power button for at least half a second and then releasing it.
First Time Use of SNYPER Graphyte
Figure 12. Power on
Figure 13. EU splash screen
ON/OFF Button
»The battery voltage is monitored by internal circuitry, and if the battery charge
state is exceptionally low, the Graphyte will turn itself off again. The colour of the
status bar at the top of the display indicates the charge state. If it is green, the
Graphyte has enough battery capacity to be operated without connecting it to
a charging supply. If the charge status bar is yellow or red, please connect the
Graphyte to a charging supply.
»Set the DATE and TIME so that they are displayed correctly in the reports that
the SNYPER Graphyte produces. See page 35 for more information.
Figure 14. USA splash screen
»On power up, the welcome screen will be displayed briey (gure
13 shows the SNYPER-LTE Graphyte (EU) splash screen. Figure
14 shows the SNYPER-LTE Graphyte (USA) splash screen and
gure 15 shows the SNYPER-LTE Graphyte (AP) splash screen.
The hardware version number is not shown.)
»Connect one of the supplied antennas to the Graphyte. It is suggested that the
black antenna be used for the rst survey as this is the most general-purpose
antenna.
Figure 15. AP splash screen

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Charging and Battery Status
Figure 16. Charging and battery status
Charging and battery status bar:
A fully charged device is indicated by a green bar extending across the top
of the display.
As the device is used and the battery discharges, the battery status bar will
shrink to the right of the display and change from green, to yellow, to red.
Recharging is recommended once red bars are displayed on the device
battery status bar.
If the device drops below allowable low battery usage the unit will switch
off and charging will be required.
Approximately 4 - 6 hours are needed to fully charge a SNYPER with a at battery.
The device will be charged when it is plugged into a USB power source - the supplied
AC adaptor. Other USB ports may be used to charge and power the SNYPER. The
SNYPER is classed as a High-power USB device and is a 500 mA load. Some USB
ports such as those found on laptops are designed to power low-power USB devices
and will only provide 100 mA. Additionally, unpowered USB hubs will share the
upstream USB power between all connected devices. The SNYPER will still charge in
these circumstances, but will take proportionally longer to reach full charge.
Battery charging is indicated by a ‘+’ sign on the right of the battery status bar and
the red charge status LED turning on. To maximise the charge rate of the SNYPER
Graphyte, turn it off while charging. The LED indication will still operate and will turn
off when fully charged.
Battery status bar
NOTE: To protect the battery from damage, charging is only allowed when the temperature is between +10 and +45°C. If
a temperature fault is indicated, allow the battery temperature to settle naturally to the safe charging temperature range. Do
not attempt to speed this process up by deliberately heating or cooling the SNYPER Graphyte as this may cause damage.
Important: If a battery fault is indicated, please do not continue to charge the SNYPER Graphyte.
Please contact Siretta for repair instructions.
Charge status LED
Status LED Indication
Charging in progress On
Charging off Off
Temperature fault Slow blink at 1.5/Sec
Battery fault Fast blink at 6.1/Sec
Table 5. Charge status indication

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Main Menu
The SNYPER main menu has 6 menus (as shown below in gure 17), these can be
selected using the UP/DOWN buttons. Once the chosen menu is highlighted, click
OK. Press the BACK button to return to the main menu.
Figure 17. ‘Main Menu’ screen
Saved Results: Access saved surveys.
Survey: Used to perform a new survey.
Setup: Allows personalisation of language, display, sound,
reports and auto-power off.
About: Displays information about the device - model number,
software and rmware versions, battery voltage and IMEI number.
PC Connect: Connects device to a PC as a memory stick to
allow download of reports and updating of software.
Power Off: Powers off the device.

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Saved Results
Figure 18. ‘Survey Results’ screen
Select ‘Saved Results’ from the main menu. The saved survey les are displayed and
numbered in numerical order with le name and whether the survey was conducted in
2G (GSM), 3G (UMTS), 4G (LTE) or FL (Full Survey 2G, 3G & 4G) mode.
NOTE: The USA and AP versions of the SNYPER-Graphyte do not support 2G (GSM)
surveys. A full survey for these products therefore only scans for 3G and 4G cells.
Deleting a Saved Survey
To delete a saved survey, highlight the survey to be deleted
by using the UP and DOWN buttons, and then press the left
navigation button. This will delete the survey from the SNYPER
Graphyte.
NOTE: No warning is given prior to deleting a saved survey.
Viewing a Saved Survey
To view a survey, highlight it by using the UP and DOWN buttons,
and press the OK or RIGHT navigation button. This navigates to
the ‘Stored Survey’ menu as shown below in gure 19.
Figure 19. ‘Stored Survey’ screen