GLOBALSAT TR-151SP - Manual (Page 4)

TR151-SP page 4
1.3 Hardware
GSM module: MC55i GSM 850/900/1800/1900
Operating temperature: -20° to 55° C
Charging temperature 0° to 45° C
Antenna Type: GPS patch antenna
Dimension: 128x105x68 mm, for rectangular part
128x130x68 mm, including reset/USB extrusion part
Battery: 15 A rechargeable Li-ion battery
Interface: Mini USB port for purpose of firmware upgrade, battery charging
Button: Reset Button: Press the Reset Button for 3 seconds to reset the device
Note:
1. Device is always on until the battery runs out.
2. Reset button is disabled when external power connected.
Charging time: 23 hours for fully charge