Zaxcom RX-12R Rack Mount Wireless Receiver SystemA sibling to the very successful RX 12, the new RX 12R has been completely reimagined from the ground up. Rack mountable, its ergonomic design takes up only one and a half rack spaces in height. As a wide band receiver its full tuning range is 512 698 MHz and features a 35 MHz tracking front end filter to eliminate interference from unwanted radio frequency (RF). The multifaceted design of the RX 12R, provides RF amplification and both antenna and