Radio Shack TRC-484 40-Channel CB Radio. This unit has a built-in 40-channel PLL (phase-locked loop) frequency synthesizer & uses a precise frequency reference crystal for reliable and exact tuning. Other features include: A Digital Channel Display - makes the channel number easy to see. A Squelch Circuit - reduces noise between transmissions. A RF Gain Control - prevents RF overloading caused by strong signals. TX and RX Indicators - light to show when the radio is in the TX (transmitting) or RX (receiving) mode. Channel Selector - lets you easily select the desired channel. Along with Channel Up/Down Buttons - let you easily select channels while you are holding the microphone. A Emergency Channel Switch - lets you instantly switch to Channel 9 or 19.A External Speaker Jack - lets you connect another speaker to your CB.A PA Speaker Jack - lets you connect an external PA speaker so you can use your CB as a PA system. Universal Mounting Bracket - holds your CB securely in place.
This radio is shown complete without any manuals! ....We pluged this in & it powers up. We tested this with a internal car antenna and it works.
