This is by far the best, well explained tutorial to getting your Lawmate Vtx to perform better and more consistently than what they send it out as. It promotes the thermal transfer from poor at best to very efficiently
LAWMATE 2.4GHz 500mW FPV Video Transmitter, review and heatsink modification (http://www.youtube.com/watch?v=CR1DwmQEgL0#ws)
It is more than well worth doing. The same applies to 1.2ghz units
N1 Ian - excellent presentation & very well explained.