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The CC2590 from Texas Instruments is a RF Module with Frequency 2.4 GHz, Supply Voltage -0.3 to 3.6 V, Output Power 14 dBm, Current Receiving 1.8 mA, Sleep current 0.1 uA. More details for CC2590 can be seen below.
Compact and Powerful Bluetooth Smart SoC
2.4 GHz Random Phase Multiple Access (RPMA) Module
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