Name Teltonika TM2500, MeiG SLM320-E, MeiG SLM320-LA
Technology LTE(CaT1)/2G(GSM/GPRS)/GNSS/BLUETOOTH
GNSS GPS, GLONASS, GALILEO, BEIDOU, SBAS, QZSS, DGPS, AGPS
Receiver 33 channel
Tracking sensitivity -165 dBM
Position Accuracy < 2.5 m CEP
Hot start < 1 s
Warm start < 25 s
Cold start < 35 s
Velocity Accuracy < 0.1 m/s (within +/- 15% error)
Technology GSM
Transmit power
Class 4 for GSM850/900: 23±2dBm
Class 1 for GSM1800/1900: 20±2dBm
Class 3 for LTE-TDD: 23±2.7dBm
Class 3 for LTE-FDD: 23±2.7dBm
2G bands GSM: B2/B3/B5/B8
4G LTE Cat 1 bands SLM320-E: LTE FDD: B1/B3/B7/B8/B20/B28 LTE-TDD:B38/B40/B41 SLM320-LA: LTE FDD: B1/B2/B3/B4/B5/B7/B8/B20/B28 LTE-TDD:B40
Data transfer LTE:LTE FDD: Max 10Mbps (DL)/Max 5Mbps (UL) LTE TDD: Max 8Mbps (DL)/Max 2Mbps (UL) GSM:GPRS: Max 85.6Kbps (DL)/Max 85.6Kbps (UL)
Data support SMS (text/data)
Input voltage range 10–30 V DC with overvoltage and reverse polarity protection
Internal Back-up battery 170 mAh Li-Ion battery, 3.7 V (0.63 Wh)
Power consumption
At 12V < 3 mA (Ultra Deep Sleep)
At 12V < 5 mA (Deep Sleep)
At 12V < 16 mA (Online Deep Sleep)
At 12V < 18 mA (GPS Sleep)
At 12V < 33 mA (nominal)
Specification 4.0 + LE
Supported peripherals Temperature and Humidity sensor, Inateck Barcode Scanner, Universal BLE sensors support
Data K-Line, CAN bus data
Data reading
Up to 32 vehicle onboard parameters, supported OBD protocols:
ISO 9141-2 (5 baud init, 10.4 kbaud)
ISO 14230-4 KWP (5 baud init, 10.4 kbaud)
ISO 14230-4 KWP (fast init, 10.4 kbaud)
ISO 15765-4 CAN (11 bit ID, 250 kbaud)
ISO 15765-4 CAN (11 bit ID, 500 kbaud)
ISO 15765-4 CAN (29 bit ID, 250 kbaud)
ISO 15765-4 CAN (29 bit ID, 500 kbaud)
Connection OBDII Socket
GNSS antenna Internal High Gain
Cellular antenna Internal GSM High Gain
USB 2.0 Micro-USB
LED indication 2 status LED lights
SIM Micro-SIM
Memory 128MB internal flash memory
Weight 63 g
Dimensions 67,2 x 49,6 x 25 mm (L x W x H)
Operating temperature (without battery) -40 °C to +85 °C
Storage temperature (without battery) -40 °C to +85 °C
Operating humidity 5% to 95% non-condensing
Ingress Protection Rating IP41
Battery charge temperature 0 °C to +45 °C
Battery discharge temperature -20 °C to +60 °C
Battery storage temperature -20 °C to +45 °C for 1 month -20 °C to +35 °C for 6 months
Sensors Accelerometer
Scenarios Green Driving, Over Speeding detection, Jamming detection, GNSS Fuel Counter, Excessive Idling detection, Unplug detection, Towing detection, Crash detection, Auto Geofence, Manual Geofence, Trip
Sleep modes GPS Sleep, Online Deep Sleep, Deep Sleep, Ultra Deep Sleep
Configuration and firmware update FOTA WEB, FOTA, Teltonika Configurator (USB, Bluetooth), FMBT mobile application (Configuration)
SMS Configuration, Events, Debug
GPRS commands Configuration, Debug
Time Synchronization GNSS, NITZ, NTP
Fuel monitoring OBD II
Ignition detection Accelerometer, External Power Voltage, Engine RPM
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