RF-Link RF50702-03

"RF-Link" and "C1902803_0103" is silkscreened on the board in the FCC photos.

Specifications, per the FCC manual, follow...
 * Output Power
 * 14dBm (typical)
 * Receiver Sensitivity
 * -82 ~ -85dBm @ 11Mbps
 * -85 ~ -88dBm @ 5.5Mbps
 * -88 ~ -91dBm @ 2Mbps
 * -91 ~ -93dBm @ 1Mbps