This is a replacent board for hw plug-and-play transmitters, or make your non plug and play transmitter to a plug play version. Do It Yourself (DIY).
This replacement plug-and-play boards are designed to fit Lawmate and not Boscam transmitters.
Only the +5V output is regulated, the +12V output is not regulated, in other words, it will be the same as the voltage input. The power input port (plug) is reversed-polarity protected, you can't damage it if you accidently plug reversed power.
Size: 38.1mm x 25.4mm