Matek Systems FCHUB-VTX 6~27V PDB 5V/1A BEC w/ 5.8G 40CH 25/200/500mW Switchable Video Transmitter    
   
   
   
    
   
   
   Specification (user manual):
  Specification (user manual): Brand name: Matek Systems
 Item name: FCHUB-VTX 
 Weight: 14g (w/ MMCX whip antenna)
 Size: 36*45*7mm w/30.5mm mounting  
 Input voltage: 6~27V(2~6S LiPo)
  PDB: 4*30A (4*46A, 5 seconds)
  Current Sensor: 184A (Scale 179)
  BEC Output: 5V/1A for Camera or FC
   VTX: 40 standard 5.8G channels, A/B/E/F/R Band
  VTX Output Power: 25, 200, 500mW switchable
  Traditional button+LED control of frequency and power
  BFCMS (BFOSD & LUA Script) control via FC UART _TX
  Video signal & TX5 are ready on FFC connected with MATEK FC F405-OSD
  Silicon wires connection with other brands FC
  Firmware upgradeable
   VTX Power Consumption: 3.1W Max. @ 500mW
  Video Input Impedance: 75 Ohm
  Audio Subcarrier Frequency: 6.5 MHz
  RF Connector: MMCX
  Video Format: NTSC/PAL
  Pacakge included: 1* FCHUB-VTX board 
 1* MMCX to SMA Female, RG178 cable 9cm
  1* MMCX 5.8G whip antenna, RG178 8cm
  1* Rubycon ZLH 35V/470uF Low ESR capacitor