ImmersionRC Ghost Zepto 2.4GHz Long Range OTA Receiver for RC Drone Precise details: The ImmersionRC Ghost Zepto is a small and lightweight 2.4GHz receiver that is perfectly suited for the ImmersionRC Ghost and Tramp Nano. Comes with an Over-the-air (OTA) upgradeable firmware, SBus, SBus-Fast (200k), SRXL-2 (400k), GHST, SBus Inverted serial formats, and other specs Description: Brand:ImmersionRC Name:Receiver Frequency Range: 2406 - 2479MHz Modulation: Chirp Spread Spectrum + Adaptive FHSS Binding: Bidirectional with confirmation and protocol negotiation RF Profiles: Race, Pure Race, `Normal´, and Long Range, more to come Downlink RF Power: +13dBm Sensitivity: -117dBm in Long Range mode Serial Formats: SBus, SBus-Fast (200k), SRXL-2 (400k), GHST, SBus Inverted Firmware: Over-the-air (OTA) upgradable Power Supply: 5V recommended, as low as 3.6V tolerated, no more than 5.5V vTx Control: Tramp control from `T´ pin on Rx, regardless of the selected serial format Antenna Connector: Standard MHF4 (vs. Atto which uses the larger U.FL) Dimensions: 10.0mm x 10.0mm, 0.38g (w/o antenna) Rx Noise Floor Analysis: Auto on power-up, or on-demand from the T Dimensions: 10mm x 10mm, 0.35g (w/o antenna) Package Included: 1 x ImmersionRC Ghost Zepto 2.4GHz Receiver 1 x Micro qTee Antenna w/50mm cable Silicone Cables Heat Shrink