ask for a contact I've read and I accept all the terms and condition of the privacy policySend text datasheet 220 or 336 channels GPS + GLONASS + Beidou + GALILEO Internal memory 4 GB GSM / GPRS module TILT sensor IP 67 resistance 6h battery life in Rover mode BROCHURE G1 PLUS other products G6 GPS ROVER SOUTH G6 go to product S660N GPS ROVER SOUTH 660N go to product G1C go to product
