Physical specifications
Dimensions 84mm x 53mm x 20mm
Weight ~88 grams without internal battery
Temperature Operates in -30°C to + 65°C
Antennas Internal omni-directional GSM
  Internal omni-directional GPS

GSM/GPRS Core
Frequencies 900/1800/1900
Protocols GPRS class 10, SMS
Certifications CE, GCF, RoHS

Power
Supply Voltage 11V to 30V
Battery Optional internal LiIon battery
Output Power Class 4 (2W) - EGSM 900
  Class 2 (1W) - GSM 1800/1900

Interfaces & sensors
Power supply Plug-in
SIM socket Internal, behind battery door
3 LEDs Power, GSM status, GPS status
Serial port Tx, Rx
Inputs/Outputs 2 digital inputs, 2 analog or digital inputs, 4 outputs

Spotmaster works with