FMB640 General description

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FMB640 is a tracking terminal with GNSS and GSM connectivity, which is able to collect device coordinates and transfer them via GSM network to a server. This device is perfectly suitable for applications, which require the location acquirement of remote objects.

Package contents

Usually the FMB640 device sample is supplied to the customer in a cardboard box containing all the equipment that is necessary for operation. The package contains:

  • FMB640 device;
  • 4 screws for assembling device
  • GPS/GLONASS antenna
  • GSM antenna
  • USB cable
  • Port 1/2 cable
  • Port 3 cable
  • Ni-MH Rechargeable battery, 8.4V, 550 mA.
  • Input and output power supply cable with 2x10 connection pins.

Basic characteristics

Cellular:

  • GSM/GPRS technology
  • 2G bands: Quad-band 800/850/900/1900 MHz
  • GPRS Mobile Station Class B
  • GPRS Multi-Slot class 12 (up to 240 kbps)
  • SMS (text, data)

GNSS features:

  • Tracking: 33/ 99 acquisition channels
  • -165 dBM sensitivity
  • Hot start <1s
  • Warm Start < 25s
  • Cold start < 35s
  • NMEA-183 protocol
  • GPS, GLONASS, GALILEO, BEIDOU, SBAS, QZSS, DGPS, AGPS
  • Accuracy < 3m


Hardware features:

  • STM32 processor;
  • 2 MB internal Flash memory;
  • External memory card slot;
  • Built-in accelerometer;
  • Ni-Mh 550 mAh internal battery;


Interface features:

  • Power supply: +10...+30 V;
  • Integrated KLINE
  • Dual CAN J1939
  • J1708 CAN
  • RS485 and 2x RS232 support
  • 4 Digital Inputs for object status monitoring
  • 4 Digital Open-collector Outputs (controlling external relays, LED, buzzers, etc.)
  • 4 Analog Inputs
  • 1-wire interface
  • MicroSD card
  • 2 status LED
  • Dimensions: L(104,1mm)xW(76,8mm)xH(31,5mm)
  • Configuration and firmware update (via FOTA and USB cable)
  • External GSM antenna for higher sensitivity
  • External GNSS antenna for higher sensitivity


Special features:

  • Fast position fix;
  • High Quality track even in high density urban canyon;
  • Ultra small case;
  • Ready for harsh environment;
  • Easy to mount in limited access areas;
  • Firmly fasten;
  • 2 LED status indication;
  • Real time tracking;
  • Smart data acquisition based on:
    • Time;
    • Speed;
    • Angle;
    • Distance;
    • Ignition or any other I/O event;
  • Sending acquired data via GPRS;
  • GPRS and SMS I/O events;
  • Virtual odometer;
  • Jamming detection;
  • Configurable using Secured SMS Commands;
  • 1x micro SIM card; 1x eSIM;
  • Overvoltage protection;
  • Reverse polarity protection;


Description Voltage Duration
Normal operation

+10 ... +30 V

Unlimited

Protection turns on, device turns off 34 V Unlimited
Maximum voltage < 70 V Unlimited
Maximum voltage impulse 90 V 5 ms


Technical features


Part name Physical specification
Navigation indication LED
Modem indication LED
Socket Soldered inner socket
USB Mini USB socket
GNSS External GNSS antenna
GSM External GSM antenna


Technical details
2 W max.
Current consumption at 12 V
GPRS: average 67 mA rms
Nominal: average 39 rms
GNSS sleep: average 24 mA
Deep Sleep: average 7,5 mA
Online Deep Sleep: average 2,4 mA
2 W max.
Current consumption at 24 V
GPRS: average 35 mA
Nominal: average 20 mA
GNSS sleep: average 12,5 mA
Deep Sleep: average 3,8 mA
Online Deep Sleep: average 1,3 mA
Battery charge current Average 55 mA
Operating temperature (without battery) -40..+85
Storage temperature (without battery) -40..+85
Storage relative humidity 5..95% (no condensation)
Device + case + battery weight 194 g


Dimension drawing:

FMX6 dimensions.png

Technical information about internal battery


Internal back-up battery Battery voltage (V) Nominal capacity (mAh) Charging temperature (°C)
Ni-MH rechargeable battery 8.4~10.0 550 0 – 45

Batteries are covered by 6 month warranty support.

Bw nb.png CAUTION: RISK OF EXPLOSION IF BATTERY IS REPLACED BY AN INCORRECT TYPE. DISPOSE OF USED BATTERIES ACCORDING TO THE INSTRUCTIONS.
Bw disposal.png Battery should not be disposed of into general household waste.
Bring damaged or worn-out batteries to your local recycling center or dispose them into a battery recycle bin commonly found in supermarkets.

Battery tests

The amount of time the device will work from internal battery depends on the battery health, how often the device saves/sends information to the server, external peripherals connected to the device and the results may also differ depending on firmware used.

For general comparison purpose, and to see what results can be achieved, you can refer to the following internal test results in different modes and sending frequencies:

Mode: Min Period (data saving frequency) Send Period (data sending frequency) Starting Voltage Cut off Voltage Time achieved
Operating 10 seconds 60 seconds 10,1V 8,3V 471 min (7 hours 51 minutes)
Operating 60 seconds 60 seconds 10,2V 8,3V 546 min (9 hours 16 minutes)
Deep Sleep 12 hours 12 hours 10,0V 8,2V 15120 min (252 hours 0 minutes)
Online Deep Sleep 12 hours 12 hours 10,2V 8,6V 6480 min (108 hours 0 minutes)



Electrical characteristics

Characteristic description Value
Min. Typ. Max. Unit
Supply Voltage:
Supply Voltage
(Recommended Operating Conditions)
+10 +30 V
Digital Output (Open Drain grade):
Drain current (Digital Output OFF) 120 µA
Drain current
(Digital Output ON, Recommended Operating Conditions)
0.5 A
Static Drain-Source resistance
(Digital Output ON)
400 300
Digital Input:
Input resistance (DIN1) 15
Input resistance (DIN2) 15
Input resistance (DIN3) 15
Input voltage
(Recommended Operating Conditions)
0 Supply voltage V
Input Voltage threshold (DIN1) 7.5 V
Input Voltage threshold (DIN2, DIN3, DIN4) 2.5 V
Analog Input:
Input voltage
(Recommended Operating Conditions), Range 1
0 +10 V
Input resistance, Range 1 120
Input voltage
(Recommended Operating Conditions), Range 2
0 +30 V
Input resistance, Range 2 147
Output Supply Voltage 1-Wire:
Supply voltage +4.5 +4.7 V
Output inner resistance 7 Ω
Output current (Uout > 3.0 V) 30 mA
Short circuit current (Uout = 0) 75 mA
CAN Interface:
Internal terminal resistors CAN bus 120 Ω
Differential input resistance 19 30 52
Recessive output voltage 2 2.5 3 V
Differential input resistance 0.5 0.7 0.9 V
Common mode input voltage -30 30 V
Power supply current (Hardware version with internal battery):
Deep Sleep, average, Icc.ds 2.5 4 mA
Sleep, average, Icc.ds, Vcc=10V 45 mA
Sleep, average, Icc.ds, Vcc=30V 25 mA
Ucc=12.6V, all modules fully working, internal battery is charging, Icc1 350 mA
Ucc=12.6V, all modules fully working, internal battery is charging, Icc2 300 mA
Ucc=25.2V, all modules fully working, internal battery is charging, Icc3 195 mA
Ucc=25.2V, all modules fully working, internal battery is charging, Icc4 140 mA
RS232/RS485 Input Voltage:
RS485 input voltage range on A or B pin (common-mode voltage) -7 +12 V
RS232 input voltage range (common-mode voltage) -15 +15 V


Alert.png
Analog Input error margin can increase if temperature varies.

Absolute maximum ratings

Characteristic description Value
Min. Typ. Max. Unit
Supply Voltage
(Absolute Maximum Ratings)
-32 +32 V
Drain-Source clamp threshold voltage
(Absolute Maximum Ratings), (Idrain = 2 mA)
+36 V
Digital Input Voltage
(Absolute Maximum Ratings)
-32 +32 V
Analog Input Voltage
(Absolute Maximum Ratings)
-32 +32 V
RS232 Input Voltage
(Absolute Maximum Ratings)
-25 +25 V