Specification Brand BaofengModel DR 1802UFrequency Range UHF 400 470MHzChannel Capacity 1024Operating Voltage 7 4V DC ±20 Frequency Stability ±2 5ppmDemission 133 62 36mm ä¸å æ¬å¤©çº¿ Operating Environment 10°C 50°CWeight approach 260g including battery and antenna Output Power High 5W Low 1WAdjacent Channel Power ⤠65dB ⤠60dBOutput Consumption Analog â¤1 6A Digital â¤0 9AAudio Response ±1 3dBConsumption â¤0 18ADigital Protocol ETSI TS102 361 1 2 3Modulation Distortion ⤠5 Vocoder Type AMBE 2 TMFM Modulation wide narrow 16Kï¿ F3E 25KHz 141Kï¿ F3E 20KHz11K ï¿ F3E 12 5KHz4FSK Digital Modulation 12 5KHz for data 7K60FXD for data and voice 7K60FXESignal to Noise wide narrow â¥45dB 25KHz â¥40dB 12 5KHzAntenna Port Spurious 9KHz 1GHz ⤠20dBm 1GHz 12 75GHz ⤠20dBmAnalog Receive Sensitivity 122dBm 12dB SINAD Digital Receive Sensitivity 120dBm BER â¤5 Audio Power 1WAudio Distortion â¤10 Intermodulation â¥70dBAudio Response ±1 3dBReceive Current â¤380mAIntermediation wide narrow â¥62dB â¥58dBAdjacent Channel Selectivity â¥65dB â¥60dBFeatures 1 Dual Modes Supports both digital and analog communication for flexibility in operation 2 Dual Time Slot Allows simultaneous communication and enhanced performance under digital communication protocols 3 SMS Function Includes text messaging capabilities for quick communication beyond voice 4 Digital Encryption Enhanced security for private communication 5 Function Enables hands free oper