This is a 4-wire camera lead compatible with many different common FPV transmitters, most notably the 100mW and 300mW 1.3GHz and the 500mW 900MHz transmitters sold here at ReadyMadeRC.
If you've purchased your transmitter elsewhere, please verify your TX uses the small connector shown in the picture. Some transmitters use a larger connector, available in this same section of the ReadyMadeRC store.
Total cable length of 12", terminated in two male servo connectors: one with video, power, and ground for video, and one with audio, power, and ground for audio. Note that this cable will supply the battery voltage directly to the components, so if your cameras require 5v you will need to insert a regulator in the line before it gets to the camera.
This cable is ideal for connecting your transmitter to the Eagle Tree OSD's, DragonOSD, or RangeVideo OSD or nearly any combination using the new ReadyMadeRC interconnects.