FMM640 General description

FMM640 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 FMM640 device sample is supplied to the customer in a cardboard box containing all the equipment that is necessary for operation. The package contains:

• FMM640 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

GSM / GPRS / GNSS features:

• Quectel BG96 (LTE FDD: B1/B2/B3/B4/B5/B8/B12/B13/B18/B19/B20/B28 LTE TDD: B39 (for CAT M1 only)), TM2500 quad band module (GSM 850 / 900 / 1800 / 1900 MHz);
• GPRS Multi-Slot class 12 (Up to 240 kbps);
• SMS (text, data);
• Integrated GNSS receiver;
• Up to -165 dBm GNSS receiver sensitivity.

Blue-tooth:

• Blue-tooth specification V4.0
• Blue-tooth transceiver fully complaint with Blue-tooth specification V4.0 for external peripherals:
• Voice calls over Blue-tooth
• Configuration via Blue-tooth

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;
• 16 MBit internal Flash memory;
• External memory card slot;
• Built-in accelerometer;
• Built-in Blue-tooth 4.0;
• Internal backup battery included;

Interface:

• 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
• Ni-Mh 550 mAh internal battery
• 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;

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 75 mA rms Nominal: average 46 rms GNSS sleep: average 35 mA Deep Sleep: average 11 mA Online Deep Sleep: average 12 mA
2 W max. Current consumption at 24 V	GPRS: average 32 mA Nominal: average 22 mA GNSS sleep: average 16 mA Deep Sleep: average 2,6 mA Online Deep Sleep: average 6,7 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	200 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)			0.5	A
Static Drain-Source resistance (Digital Output ON)		400	300	mΩ
Digital Input:
Input resistance (DIN1)	15			kΩ
Input resistance (DIN2)	15			kΩ
Input resistance (DIN3)	15			kΩ
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		kΩ
Input voltage (Recommended Operating Conditions), Range 2	0		+30	V
Input resistance, Range 2		147		kΩ
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	kΩ
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

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