The nRF51422 from Nordic Semiconductor is a RF Module with Frequency 2.4 GHz, Supply Voltage 1.8 to 3.6 V, Output Power 4 dBm, Sensitivity -93 dBm, Data Rate 250 Kbps-2Mbps. More details for nRF51422 can be seen below.
Compact and Powerful Bluetooth Smart SoC
2.4 GHz Random Phase Multiple Access (RPMA) Module
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