RadioMaster Boxer Crush 2 4GHz ELRS Radio Transmitter With AG01 CNC Hall Gimbals EDGETX Open System for FPV Racing Drone Quad RC Airplane HelicopterThe perfect combination of size and ergonomics make the BOXER an ideal choice for pilots on the go Featuring full size hall gimbals for precision control and an intuitive button layout the BOXER gives you a compact radio without compromising on comfort and function Specification Brand RadiomasterItem Boxer Crush RadioColor Iron Grey Frost White Mint Mist Cherry Red Iceberg Blue Lemon Twist Yellow Optional Size 235 178 77mmWeight 617 1gFrequency 2 400GHz 2 480GHzInternal RF ELRS 2 4GHzSupported Protocols Module dependent Cooling Fan Built in ELRS version Voltage Range 6 6 8 4V DCRadio Firmware EdgeTX Transmitter ELRS RF module Channels Max 16 channels Receiver dependent Battery 7 4V 2 cell Lithium Polymer Two 3 7V18650 Lithium lon cells batteries not included Display 128 64 Monochrome LCD displayGimbal AG01 CNC Hall GimbalExternal Module JR FrSKY for Crossfire compatibleUpgrade Method USB SD cardEdgeTX Companion PC softwareFeatures Available with built in ExpressLRS or 4 in 1 CC2500 MPM RF module Featuring a powerful STM32VGT6 processor with 1MB RAM Preinstalled EdgeTX firmware Internal ELRS module capable of 1 000Hz refresh rate Adjustable ELRS RF output 30dBm max FCC or 20dBm Max EU LBT 4 in 1 or CC2500 only version capable of up to 20dBm RF output QC3 0 fast chargi