The Main Board for the Surveyor 2400 Mobile CB Radio is a crucial component for your in-vehicle radio communication needs. With 23 channels and a sleek black color, this board powers up the Surveyor 2400 model, ensuring reliable performance on the CB band. Whether you're a hobbyist or a professional user, this main board provides the foundation for clear and consistent communication on the go. Upgrade your mobile radio setup with this high-quality component from Surveyor.