nRF21540 - RF front-end module
nRF21540 Features
* Key features:
* Front-end module with RF PA and LNA ®
* Supports Bluetooth Low Energy, IEEE 802.15.4, and proprietary applications
* Max output power 22 dBm
* Adjustable output power to ±1 dB from 5 to 21 dBm
* User programmable modes for TX gain
* Non
