6 Channel, 2.4g Hz receiver used in all ST Model aircraft. Uses AFHSS technology for optimum signal security. Range: 700-800 metres Specification Weight: 10g Dimensions: 45 x 25 x 13mm Voltage: 4.8 – 6v Frequency: 2.4g Hz AFHSS Manufacturer: Ripmax Model / Part No: ST Model 6 Ch Receiver 2.4 G Hz (P-STMRX6)