The SKU620 from Skylab is a RF Module with Frequency 6.240 to 6.739 GHz, Data Rate 6.8 Mbps, Supply Voltage 3.4 to 5 V (VCC), 3 to 3.6 V (VDDIO), Current Transmitting 6 mA (Discovery Mode), Output Power -41.3 to -7 dBm/MHz (Spectral), -15 to 20 dBm/500 MHz (Channel). More details for SKU620 can be seen below.