nrf21540 is a chip used for range expansion with plug-and-play logic. It can be used as a distance extender for Bluetooth Low Energy (BLE), Bluetooth Mesh, 2.4GHz, Thread and Zigbee. Adjustable output power can be increased up to +21dBm. For Nordic nrf52 and nrf53 series, it offers up to 16 times distance expansion. It serves for wide areas of application with its operating range of -40 to +105°C.
- It supports BLE, Bluetooth Mesh, Thread and Zigbee protocols
- Adjustable output power in increments up to +21dBm
- Only 2.5dB low-noise value with +13 dBm RX gain
- 2 antenna ports for antenna diversity
- Control interface with I/O or SPI
- Wide operating temperature range from -40° to +105°
- Input voltage range from 1.7v to 3.6v
- When used with the NRF52 or NRF53 series, the range width is up to 16 times
- 4 ×4 mm QFN16
