1111MicrosoftInternetExplorer402DocumentNotSpecified7 8 磅Normal0Specifications Processor MTK6739 quad core ARMBand 2G GSM 850 900 1800 1900 MHz3G WCDMA B1 2 5 84G FDDB B1 3 5 7 8 20 28A 28B4G TDDB B38 39 40 41System Android 9Memory 2G 8GLCD Screen 2 4 TFT Touchscreenbluetooth Wi Fi SupportedGPS BD SupportedSpeaker 2WSIM Card NANO SIMTF Card SupportedBattery 4000mAhDimensions 110mm x 55mm x 33mmWorking Environment 20 °C to 85 °CLevel of Protection IP54Interphone Single hang 3 5 with PTTUSB Type C Features 1 Extensive Communication Range With a communication range of up to 5000 kilometers this intercom ensures reliable connectivity across vast distances Whether coordinating with team members in remote locations or navigating through expansive outdoor terrains maintain effective communication effortlessly 2 4G Full Network Compatibility Compatible with 2G 3G and 4G networks this device supports global communication standards making it versatile for use in various regions and network conditions Enjoy seamless and uninterrupted communication regardless of your location 3 Robust GPS Navigation Equipped with integrated GPS BD support the intercom not only facilitates communication but also offers precise navigation capabilities Perfect for outdoor adventures and professional expeditions it ensures accurate location tracking and route mapping 4 User Friendly Touchscreen Interface The 2 4 inch TFT touchscreen enhances user interaction with a c