Ultra-Lite 7-Channel Scan-Select FM Receiver Key Features Change frequencies at the push of a button ABC&W Interference Protection System FM (PPM) analog modulation Highly sensitive for great range Perfect for sport aircraft Lexan case Lightweight antenna Overview Weight critical park flyers will like to know JR is now offering an Ultralite version of their popular R720 synthesized receiver. Weight savings is approximately 6 grams. Specs Type: Synthesized # of Channels: 7-Channel Modulation: FM Band: 72MHz Dimensions (WxLxH): .98 x 1.84 x .61 Weight: 12 grams