This is the Futaba R2106GF 2.4GHz FHSS 6-Channel Micro Receiver. FEATURES: Compatible with all Futaba FHSS/S-FHSS transmitters **Not compatible with FASST systems** Short range for indoor and park fliers. Normal and High-Speed Modes: Normal mode frame rate is (FHSS/S-FHSS) 13.63ms and accepts any type of servos or peripherals. High-Speed mode (in 4PL tx only), with an output of 6.8ms accepts digital servos including the BLS series and most peripheral equipment such as brushless ESCs One year limited warranty through Hobby Services beginning at date of purchase INCLUDES: Futaba R2106GF 2.4GHz FHSS 6-Channel Micro Receiver with Instructions REQUIRES: Installing in aircraft and connecting battery and servos SPECS: Size: 1.5 x .85 x .40" (38 x 21 x 10mm) Weight with Case: 0.14oz (4g) jxs 06/30/11 ir/jxs updt jxs 12/05/11