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