... ,commercial vehicle and etc.Capability feature:Adopt industrial grade communication module group, 50 channels positioning, Work at 8- ... GSM Antenna, Power Supply cable, Panic Button, Lock Vehicle relay, Monitor Mic.Device functions:Positioning(GPS, Target location):it ... 2mmL×W×H (aluminium alloy crust)Weight:0.32kg(main device net weight)Communication mode:GSM/GPRS/CDMADigital signal transmission index ...