FMB640 General description

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 64.59 mA rms Nominal: average 37.77 rms GNSS sleep: average 11.1 mA Deep Sleep: average 6.2 mA Online Deep Sleep: average 6.5 mA
Battery charge current	Average 140 mA
Operating temperature	-25..+55 °C
Storage temperature	-40..+70 °C
Storage relative humidity	5..95% (no condensation)
Device + case + battery weight	52 g

Dimension drawing:

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.

	CAUTION: RISK OF EXPLOSION IF BATTERY IS REPLACED BY AN INCORRECT TYPE. DISPOSE OF USED BATTERIES ACCORDING TO THE INSTRUCTIONS.
	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.

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)	0.1		0.5	A
Static Drain-Source resistance (Digital Output ON)		400	600	mΩ
Digital Input:
Input resistance (DIN1)	47			kΩ
Input resistance (DIN2)	51.7			kΩ
Input resistance (DIN3)	47			kΩ
Input voltage (Recommended Operating Conditions)	0		Supply voltage	V
Input Voltage threshold (DIN1)		7.5		V
Input Voltage threshold (DIN2)		2.5		V
Input Voltage threshold (DIN3)		2.5		V
Analog Input:
Input voltage (Recommended Operating Conditions), Range 1	0		+10	V
Input resistance, Range 1		150		kΩ
Measurement error on 12V, Range 1		3		%
Additional error on 12 V, Range 1		360		mV
Measurement error on 30 V, Range 1		3		%
Additional error on 30 V, Range 1		900		mV
Input Voltage (Recommended Operating Conditions), Range 2	0		+30	V
Input resistance, Range 2		150		kΩ
Measurement error on 12V, Range 2		3		%
Additional error on 12 V, Range 2		360		mV
Measurement error on 30 V, Range 2		3		%
Additional error on 30 V, Range 2		900		mV
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

Ground sense:
Input resistance	38.45			kΩ
Input voltage (Recommended operating conditions)	0		Supply voltage	V
Input voltage threshold		0.5		V
Sink current			180	nA

CAN interface:
Internal terminal resistor CAN bus (no internal termination resistor)	-	-	-	Ω
Differential input resistance	19	30	52	kΩ
Recessive output voltage	2	2.5	3	V
Differential receiver threshold Voltage	0.5	0.7	0.9	V
Common mode input voltage	-30	-	30	V

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