Dual Voltage Support Supports 12V and 24V voltage systems, making it versatile for various vehicle setups and ensuring reliable operation across different environments. Supports PA System Connect an external PA speaker system to amplify your voice, ideal for public address and communication in noisy environments. NOAA Scan & Alert Scan NOAA weather channels and receive alerts, keeping you informed about weather conditions for safer outdoor activities. VOX Safe Talk Hands-free operation with VOX capability, allowing users to transmit without pressing the PTT button, enhancing convenience. AM/FM Mode Select between AM and FM modes for versatile communication and reception capabilities, adapting to different broadcasting standards. Talkback Monitor your own voice transmission through the speaker, ensuring clarity and adjusting audio levels for optimal communication quality. Instant CH 9 Quickly access emergency channel 9 for immediate assistance during critical situations, ensuring you can get help when you need it most. RF Gain Adjust RF sensitivity to fine-tune reception quality, ensuring optimal communication clarity in varying signal conditions. Technical Specifications Modulation Mode AM/FM Frequency Range 26.965-27.405MHz Weather Channels 162.400-162.550MHz Input Voltage 12/24V Antenna Connector UHF, SO-239 Power Output 4 Watts FM/AM Sensitivity Less than 1uV for 10dB(S+N)/N Operating Temperature Range -20℃ to +50℃ Automatic Gain Control (AGC) Less than 10dB change in audio Output for inputs from 10 to 50000uV Audio Output Power 2 Watts at 8Ω less than 10% distortion What’s in the box? 1 x CB-900PRO, radio Detachable Microphone, Mounting Bracket, Microphone Hanger, Spare Fuse(3A,250V), DC Power Cable, 2 x Adhesive Case Protectors, 4 x Adjusting Screws, 4 x Self-tapping Screws, 4 x Screws for Bracket, 3 x Screws, 4 x Pads Comparison with Other CB Radios CB-900 Pro Add to Cart CB-500 Add to Cart CB-606 Add to Cart CB-606 Pro Add to Cart CB-27 Pro Add to Cart CS-47 Add to Cart Customer Reviews 4.3 out of 5 stars 47 4.3 out of 5 stars 71 4.9 out of 5 stars 10 4.2 out of 5 stars 13 4.2 out of 5 stars 414 4.4 out of 5 stars 167 Price $99.99$99.99 $93.49$93.49 $49.00$49.00 $69.00$69.00 $50.99$50.99 $75.99$75.99 TX & RX Noise Reduction ✔ ✔ ✘ ✘ ✘ ✔ AM/FM ✔ ✔ ✔ ✔ ✔ ✔ SWR High Alert ✔ ✘ ✘ ✘ ✘ ✘ Operation Interface Toggle & knob switch Button & knob Button & knob Button & knob Button & knob Button on Microphone Supports 12V & 24V ✔ ✔ ✘ ✔ ✘ ✘ Supports PA System ✔ ✔ ✔ ✔ ✘ ✘