Add to Cart Quick view RPC-3C Speech Compressor for Amateur Radio and CB Transmitters RP Electronics MSRP: Now: $19.99 Was: This RPC-3C Speech Compressor for Amateur Radio & CB Transmitters, is in excellent condition. I have not tested it but will guarantee it to be to your satisfaction. MSRP: Now: $19.99 Was: Add to Cart Quick view Qty in Cart: 0 Quantity: Decrease Quantity: Increase Quantity: Price: MSRP: Now: $19.99 Was: Subtotal: Add to Cart