NRF21540-QDAA-R7

Part: nRF21540 from Nordic Semiconductor

Type: RF front-end module with RF PA and LNA

Key Specs:

• Max output power: 22 dBm
• Adjustable output gain: 5 ±1 dB to 21 ±1 dB
• RX gain: +13 dB
• Current at +20 dBm output power: 110 mA
• Current at +10 dBm output power: 38 mA
• Supply voltage: 1.7 V to 3.6 V
• Operating temperature: -40°C to 105°C

Features:

• Front-end module with RF PA and LNA
• Supports Bluetooth® Low Energy, IEEE 802.15.4, and proprietary applications
• User programmable modes for TX gain
• Non-volatile memory storage for gain settings
• Dual antenna port with antenna diversity support
• Single-ended 50 Ω matched input and output
• Control interface via I/O, SPI, or a combination of both

Applications:

• Smart Home applications
• Industrial and factory automation
• Asset tracking
• Advanced CE remote controls
• Sports and fitness
• Toys
• Medical
• Beacons

Package:

• QFN16: 4 x 4 mm