Flysky FS-A3 2.4G 3-channel receiver, compatible Flysky GT2E GT2G transmitter, and the best choice for RC cars and boats. Features: Reliable, interference free 2.4GHz AFHDS2A signal operation. Ultra light weight design. Easy to bind and very fast link-up. AFHDS2A 3CH Receiver. Compatible Flysky GT2E GT2G transmitter. Quick and extremely stable in performance. Specifications: Channels: 3 Channels Model type: car/boat Frequency range: 2.4055--2.475GHZ Band width: B500KHz Band width number: 140 RF receiver sensitivity: -105dbm Modulation: GFSK System type: AFHDS2A Channel definition: 4096 grade Input power: 4.0-6.5V DC Antenna length: 26mm Weight: 6g Dimension: 35 * 22 * 12mm Color: black Package information: Package size: 12 * 5 * 1cm / 4.7 * 2 * 0.4in Package weight: 20g / 0.7oz Plastic bags Package List: 2 * Flysky FS-A3 2 * Antenna tube 2 * Bind plug