Securely mounts receiver into single 19" rack space Mounting sockets for front mounting antennas Two high-quality RG-58 50 ? front-mount cables Socket plugs fill antenna mount holes when not used Includes rack ears, cables, mounting screws, and hole plugs The RMK1 kit contains all necessary items to mountone RE3-RX receiver into a 19" rack. The rack earseasily mount to the receiver's threaded mountingholes using the provided screws. The threaded frontflange mount ends of the antenna cables mount intothe rack ears and securely mount either the stockreceiver