Spektrum R5520  DX5e DSMX 5-Channel Transmitter Only Mode 2 This is the Spektrum DX5e DSMX 5 Channel TX/RX only Mode 2Spektrum introduces another enormous change for the RC industrythe most affordable full range 2.4GHz radio ever available. The DX5e brings together the unbeatable control of genuine DSMX technology with the simplest, easiest-to-use design available, letting anyone, from parkfliers to students to instructors and more, take advantage of Spektrum technology for