1、Durable: Made of rugged ABS shell, which is anti collision and drop resistant, IP67 dustproof and waterproof, suitable for use in outdoor harsh environments. 2、Clear: The volume is high, full and clear sound quality, adopts unique noise reduction technology effectively reduces ambient noise and enhances the call experience. 3、Practical: AM and FM modulation, frequency range of 26.965 to 27.405MHz, with low power consumption, high gain and sensitivity, strong signal reception capability. 4、Transmission: 4W FM AM power output, strong transmission anti interference ability, high sensitivity, less than 5% signal distortion, with output impedance of 50Ω. 5、Receiver: High reception sensitivity, effective image suppression and adjacent channel suppression ability, strong automatic gain control, 300‑3000Hz frequency response. Item Type: Handheld CB Radio Material: ABS Modulation Mode: AM FM Frequency Range: 26.965-27.405MHz Frequency Tolerance: ±5.0ppm Frequency Control: PLL Synthesizer Operating Temperature Range: -20°C-+55°C Current Consumption Transmission: 2A maximum Receiver: Stationary 0.3A VOL Maximum: 0.8A Antenna Connector: UHF, SO-239 Transmission Power output: 4W FM AM Transmission Interference: Less than 4nW (-54dBm) Frequency Response: 300-3000Hz Modulation Signal Distortion: Less than 5% Output Impedance: 50Ω Receiver Sensitivity: Less than luV at 10dB (S+N)/N Image Suppression: 70dB Proximity Channel Rejection: 60 dB IF: 1st 10.695MHz, 2nd 455KHz Automatic Gain Control (AGC): For inputs of 10-50000uV, the audio output varies by less than 10dB and the noise is less than 1uV Audio Output Power: 3W into 8Ω Frequency Response: 300-3000Hz Battery: QB58L 4100mAh lithium battery x 1 (included) 1 x Two Way Radio 1 x Antenna 1 x Back Clip 1 x Hand String 1 x Battery 1 x Charging Base 1 x Power Adapter 1 x Manual