The device can perform GPS satellite positioning and query GPS information and movement speed GPS track playback can be performed through the computer dispatch console Call timeout prompt WiFi function, Bluetooth function Can group call/group call/individual call The screen displays the current battery level and provides voice prompts for low-voltage No restrictions on group selection or member selection Single call hold time can be set GPS upload cycle can be set Version information can be queried on the walkie-talkie You can check the group on the intercom Equipped with client scheduling platform The screen can display the current date and time Specifications: Frequency band: B1, B2, B3, B5, B7, B8, B17, B20, B28, B38, B39, B40, B41 Transmitting power: 23dBm~25dBm Working mode: Same frequency simplex or different frequency simplex Upstream and downstream speed: 153.6Kbps Working voltage: DC12V/DC24V Weight: 166g Overall dimensions: 48*99*43mm Audio output power: 8Ω/2W Channel: Infinite (Infinite Knob) Groups: unlimited Members: unlimited Working temperature range: -10℃~+50℃ Storage temperature range: -20℃~+60℃ ESD (electrostatic protection level): IEC 61000-4-2 (level 4); ±8kV (contact)/±15kV (air) Shock and Vibration: MIL-STD/810C/D/E/F/G Complete machine configuration: host, external antenna, screen, buttons, microphone, power adapter Screen size: 1.77" 128*160 WIFI: 2.4G Bluetooth: supports Bluetooth 4.0 CPU: MSM8909 Operating system: Android 5.1 Language: Chinese, English USB: 2.0 SIM type: Micro SIM