Features 1、Mini CB radio, using PLL synthesizer, 25.615‑30.105MHz frequency band. 2、AM/FM mode can be switched 9/19 emergency channels, 10 groups of channels are available for selection. 3、Background color of LCD display is orange, easy to operate and install, when the project is over, the system automatically fills in. 4、Amateur CB radio kit, stable signal transmission, transmission interference is less than 4nW (‑54dBm). 5、Supports squelch, ASQ control, RF gain control, keyboard lock, scan function, high and low power reset function, unable to program. Specification Item Type: CB Radio Material: Metal+ABS Model: CB-40M Modulation Method: AM / FM Frequency Range: 25.615-30.105MHz Frequency Tolerance: ±5.0ppm Input Voltage: 13.2 V Frequency Control: PLL Synthesizer Working Temperature Range: -20℃ - +50℃ Current Consumption: Launch: 2A Maximum Reception: Squelch 0.3A Maximum Voltage: 0.8A Antenna Connector: UHF, SQ-239 Output Power: 8W FM / AM Transmission Interference: Less than 4nW (-54dBm) Frequency Response: 300-3000Hz Modulation Signal Distortion: Less than 5% Output Impedance: 50Ω Receiver: Sensitivity: 10dB (S + N) / N is less than luV Image Rejection: 70dB Adjacent Channel Suppression: 60dB Intermediate Frequency: 1st 10.695MHz 2nd 455KHz Automatic Gain Control (AGC): Audio change is less than 10dB Input output from 10 to 50000uV Squelch:Less than 1uv Audio Output Power: 1W Frequency Response: 300-3000Hz How to choose a frequency band: 1. Press A/F key + open, LCD will display the frequency band 2. Press UP or DN, you can select the frequency band you need 3. Close and start again Note: CB-40M cannot be programmed Package List 1 x Host Console 1 x Hand Microphone 1 x Metal Bracket 1 x Instruction 4 x Screw 4 x Metal Gasket 4 x Non-Metallic Gasket 2 x Large Screw 1 x Fuse