2 4g radiomaster tx16s transmitter

{"cid":"91222524","title":"Hall Gimbals RadioMaster TX16S Transmitter MKII V4.0 16CH 2.4G 4in1 For RC Drone","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/7d\/8a\/5e720724d405076f00ff9f6287bb-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"flysafe","Minimum Order Quantity":"1","Delivery Time":"5-8 work days","Place of Origin":"Guangdong, China","Payment Terms":"LC,T\/T,MoneyGram,Western Union,D\/P,D\/A,L\/C","Size":"287x129x184mm","Weight":"750g (without battery)","Transmission frequency":"2.400GHz-2.480GHz","Transmitter module":"Internal 4-in-1 multi-protocol module (CC2500 CYRF6936 A7105 NRF2401)","Transmitting power":"Internal 4-in-1 multi-protocol module : Max 100mw (protocol dependent)","SD card":"256MB by default, 8GB maximum","Antenna gain":"2db (transmit power adjustable)","Working current":"400mA","Working voltage":"6.6-8.4v DC","Remote control distance":"> 2km @ 22dbm","Radio firmware":"EdgeTX","Module Firmware":"Multiprotocol- Module (4IN1)","Channels":"Up to 16 channels (depending on the receiver)","Display":"4.3-inch TFT full-colour touch display with a resolution of 480 * 272","Gimbal":"V4.0 Hall sensor with Aluminium fascia","Module Bay":"JR compatible module bay","Upgrade method":"Supports USB-C online \/ SD card offline upgrade"}}