Alafone P4 4 Inch Dual Mode UHF PTT DMR Digital Mobile Radio Zello 4G LTE Walkie Talkie Smartphone FEATURES: 1) 4W DMR Digital Radio 2) IP68 Waterproof 3) Support Real PTT/ Zello PoC Apps 4) φ36/8Ω Waterproof Speaker 5) MT6762 Octa Core Processor 6) 4GB RAM 64GB ROM 7) Built-in NFC Reader 8) 8MP/13MP Double Camera 9) 4G LTE Global Version 10) RFID/UWB/ID Card Indentification Optional Specifications: BASIC INFO: Model No. Alafone P4 Dimension 148*71*25mm Weight 360g Operating system Android 9.0 HARDWARE Display 4.0 inch IPS capactive touch screen, 480*800px CPU MT6762 Cortex A53 octa core, 2.0GHz;  GPU: IMG PowerVR GE8320 650MHz RAM 4GB RAM ROM 64GB ROM, support TF card extension up to 256GB maximally Camera Front camera: 8MP, Rear camera: 13MP AF with flashlight Sensor Gravity sensor, light sensor, proximity sensor, E-compass Battery Removable 7.6V/3000mAh lithium cobalt oxide battery Speaker Φ36/8Ω waterproof speaker NETWORK & CONNECTIVITY Band 2G: GSM 850/900/1800/1900MHz 3G: WCDMA 850/900/1700/1900/2100MHz, TD-SCDMA:B34/39 4G: FDD-LTE:B1/B2/B3/B4/B5/B7/B8/B12/B17/B20/B28AB/B66, TDD-LTE:B38/39/40/41; CDMA:BC0 WIFI IEEE 802.11 a/b/g/n/ac, support 2.4/5GHz dual-band WiFi BT V5.0 NFC Support GNSS Support GPS/A-GPS/BEIDOU/GLONASS INTERFACES Micro SIM slot *2 TF card slot *1 USB Type-C *1 M6 Port *1 OTHER FEATURES DMR/Analog Walkie Talkie UHF:400-470MHz, VHF: 136-174MHz(optional); Intercom power: high: 4W, low: 2W POC Button Support SOS Button Support OTG Function Support UWB positioning Optional RFID Optional Air-pressure detection Optional ID Card Read Optional Active Noise Cancellation Optional RELIABILITY Waterproof/Dustproof IP68 waterproof Drop-proof Withstand 1.2m height for 6 sides and 4 corners Temperature range Operating: ‘-35℃~ 70℃ ACCESSORIES USB Charger(5V/2A) *1 USB Cable *1 Battery *1 Belt Clip *1 User Manual *1 Charging Dock Optional