# Hardware # Vehicle Trackers # Wired Trackers [![image.png](https://wiki.trakngo.com.au/uploads/images/gallery/2022-08/scaled-1680-/image.png)](https://wiki.trakngo.com.au/uploads/images/gallery/2022-08/image.png)
Specifications
MODULE
NameMeiG SLM320-E, MeiG SLM320-LA, Quectel EC21-AU, Quectel EC21-EC, Quectel EC21-KL, Quectel EC21-J, Teltonika TM2500
TechnologyLTE(CaT1)/3G(UMTS/HSPA)/2G(GSM/GPRS)/GNSS/BLUETOOTH
GNSS
GNSSGPS, GLONASS, GALILEO, BEIDOU, QZSS, AGPS
ReceiverTracking: 33
Tracking sensitivity-165 dBM
Accuracy< 2.5m CEP
Velocity Accuracy< 0.1 m/s (within +/- 15% error)
Hot start< 1 s
Warm start< 25 s
Cold start< 35 s
TechnologyLTE Cat 1, UMTS, GSM
2G bands (EC21)EC21-AU:GSM: B2/B3/B5/B8 EC21-EC:GSM: B3/B8
2G bands (SLM320)FMC130-ME1:GSM: B2/B3/B5/B8 FMC130-ME3:GSM: B2/B3/B5/B8 FMC130-ML1:GSM: B2/B3/B5/B8
3G bands (EC21)EC21-AU:WCDMA: B1/B2/B5/B8 EC21-EC:WCDMA: B1/B8
4G bands (EC21)EC21-AU: LTE FDD: B1/B2/B3/B4/B5/B7/B8/B28 LTE TDD: B40 EC21-EC: LTE FDD: B1/B3/B7/B8/B20/B28A EC21-KL: LTE FDD: B1/B3/B5/B7/B8 EC21-J: LTE FDD: B1/B3/B8/B18/B19/B26
4G bands (SLM320)FMC130-ME1: LTE FDD: B1/B3/B5/B7/B8/B20 LTE-TDD:B38/B40/B41 FMC130-ME3: LTE FDD: B1/B3/B7/B8/B20/B28 LTE-TDD:B38/B40/B41 FMC130-ML1: LTE FDD: B1/B2/B3/B4/B5/B7/B8/B20/B28 LTE-TDD:B40
Data transfer (EC21)LTE:LTE FDD: Max 10Mbps (DL)/Max 5Mbps (UL) LTE TDD: Max 8.96Mbps (DL)/Max 3.1Mbps (UL) UMTS:WCDMA: Max 384Kbps (DL)/Max 384Kbps (UL) GSM:GPRS: Max 107Kbps (DL)/Max 85.6Kbps (UL)
Data transfer (SLM320)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 supportSMS (text/data)
POWER
Input voltage range10 - 30 V DC with overvoltage protection
Internal Back-up battery170 mAh Li-Ion, 3.7 V battery (0.63 Wh)
Internal fuse3A, 125V
Power consumptionAt 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 with no load) At 12V < 2A Max. (with full Load / Peak)
BLUETOOTH
Specification4.0 + LE
Supported peripheralsTemperature sensor, iButtons, Beacons
PHYSICAL SPECIFICATION
Dimensions65 x 56,6 x 20,6 mm (L x W x H)
Weight55 g
OPERATING ENVIRONMENT
Operating temperature (without battery)-20 °C to +85 °C
Storage temperature (without battery)-20 °C to +85 °C
Operating temperature (with battery)-20 °C to +40 °C
Storage temperature (with battery)-20 °C to +45 °C
Operating humidity5% to 95% non-condensing
Ingress Protection RatingIP41
Battery charge temperature0 °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
INTERFACE
Digital Inputs3
Negative Inputs1 (Digital Input 2)
Impulse Inputs2 (Digital Input 1, Digital Input 2)
Digital Outputs3
Analog Inputs2
CAN Adapter inputs1
1-Wire1
GNSS antennaInternal High Gain
Cellular antennaInternal High Gain
USB2.0 Micro-USB
LED indication2 status LED lights
SIMMicro-SIM + eSIM
Memory128MB internal flash memory
Wiring Diagram [![image.png](https://wiki.trakngo.com.au/uploads/images/gallery/2022-08/scaled-1680-/J9kimage.png)](https://wiki.trakngo.com.au/uploads/images/gallery/2022-08/J9kimage.png)
# OBD Trackers # Temperature Probes # Beacon - Asset Trackers # iButton - Driver Authentication