Model：TM820/TM8204
Frequency band：2G/4G Working
voltage：DC 9~36V
Stand-by Current：<5mA
Indicator light：Power (red), GPS (blue), GSM (green)
Built-in battery：200mAh / 3.7V
industrial grade lithium polymer battery
Weight：100g
Size：88（L）× 89（W）× 21（H）mm
