$45 each / $70 pair
Sennheiser's EW112 ENG G3 Portable System is intended for portable wireless operation, such as video and field recording applications. It includes Bodypack Transmitter, ME 2 Omni Lapel Mic and Camera-Mount Diversity receiver boasts a sturdy metal housing. 42MHz Bandwidth and 1680 tunable frequencies. Available in frequency band B (626 - 668MHz)
You can add on the Sennheiser MKE2 miniature lapel microphone for superior sound and better ability to hide this microphone.
A plug-on Handheld microphone transmitter is available to be included for an additional cost.