Flysky Receiver for GT2/GT2B/GT3/GT3B/GT3C/T6/CT6B/TH9X Transmitter Channel: 3 channel; High frequency mode: 2.4 G; Frequency: 2.4 G High frequency modulation mode: GFSK; Frequency difference: No Power supply: 5 V DC1.5 V AAA * 4; Weight: 25 g; The authentication: CE, FCC, RoHS Antenna length: 26 mm ; Size: 30 * and * 8 mm; Color: black Package Included: 1 x Receiver