nRF21540 - RF-FEM-dat
RF front-end module (FEM) for Bluetooth® Low Energy, Bluetooth® mesh, Thread and Zigbee and 2.4 GHz proprietary range extension
https://www.nordicsemi.com/Products/nRF21540
NRF21540-QDAA-R7 QFN-16射频前端FEM功率放大器蓝牙无线芯片
nRF21540 - RF-FEM-dat
RF front-end module (FEM) for Bluetooth® Low Energy, Bluetooth® mesh, Thread and Zigbee and 2.4 GHz proprietary range extension
https://www.nordicsemi.com/Products/nRF21540
NRF21540-QDAA-R7 QFN-16射频前端FEM功率放大器蓝牙无线芯片