Eachine Light L600R 5.8G 600mW 40CH Race Band VTX FPV Transmitter For Gopro 3 3+ 4     Description: Brand Name: Eachine Item Name: 5.8G 600mW 40CH Transmitter Item NO.: L600R Frequency: 5.6-5.9GHz Voltage Input: 3.5-5.2V Send Power: 250mW Work Current: 750mA\/3.7V Work Temperature: -20~+85\u2103 Video Bandwidth: 8MHz Audio Encoder: 6.5MHz Range: 800-1000M(up to 1500m with clover antenna) Connector: USB video conenctor(to Gopro、support Hero 3、 3+ 、4) Antenna Connector: SMA\/RP-SMA optional Size: 40.8 x 21 x 8mm N.W: 7g   Frequency: Band A : 5865、5845、5825、5805、5785、5765、5745、5725 Band B : 5733、5752、5771、5790、5809、5828、5847、5866 Band E : 5705、5685、5665、5645、5885、5905、5925、5945 Band F : 5740、5760、5780、5800、5820、5840、5860、5880 Band R : 5658、5695、5732、5769、5806、5843、5880、5917     Features: Super light: 7 grams With 40CH、 and new LED show you with frequency you are working at. Direct connect to GH3 and GH3+ Work on 3.7V one cell battery、 you can use tiny camera to suport it work for long time、 i.e.:500mAh work for 1.3hrs We suggest you to choose the short type of Clover Leaf Antennas for longer distance、 up to 1500m. A soft 4 pin cable will be arrange for FPV use. You can have other source of video in. Great to work with DJI 2-Axis and 3-Axis Brushless Gimbals. Use a sticker to stick battery  to the back of the gimbal to get balance.       Key Part: Long Press: press and last for 3 sec、 and the band will change following A-B-E-F circle、 and CH always go to CH1 for next band. Short Press: CH goes 1-2-3-4-5-6-7-8 and circle\/ When ABEF LEDs are on、 it is in Band R.       Package Included: 1 x Transmitter 1 x 4 Pins Connecting Cable 1 x User Manual