Check the listing for details. 4-Grid Rack Mounting Cage For RF Coax Modulators Demodulators 13.25 x 3.5 Inch. Condition: New. Listed at 25.00 USD. 12-Grid 3U Rack Mount Cage For RF Coax Modulators Demodulators 4-Grid Rack Mount Kit For RF Coax Video Audio Modulators Demodulators This custom-made rack cage is convenient for holding up 4 of our RF coax modulators and demodulators together for desktop use or any other type of use. This rack mounting is 13.25" long and 3.5" high. It is mainly designed for the following RF coax modulator and demodulator models such as: Demodulator models: RFDM2, RFDM2-PBG, RFDM2-PDK, RFDM2-PI, RFDM2-PA RF modulator models: MD101, MD211 Analog video splitter models: AVMP-40W, AVMP-41HD One kit can support up to 4 of our coax/RF agile modulators, demodulator or 4-port video splitter units. Easy to chain multiple units together for desktop style setup for easy cabling management and sharing power supply.