Key Features:

✔ 433MHz ISM Band – Long-range (up to 500m in open areas) with external antenna. ✔ SPI Interface – Easy integration with Arduino, Raspberry Pi, STM32. ✔ Configurable Channels – 126 frequency steps (avoid interference). ✔ Low Power Consumption – 1.9–3.6V operation, sleep mode for battery savings. ✔ High Speed – 50kbps max data rate (adjustable). ✔ Built-in CRC & Auto Retransmit – Ensures reliable data delivery.

Applications:

• Wireless Sensor Networks – Weather stations, soil monitors.

• Remote Control – Drones, RC cars, smart home devices.

• Industrial Telemetry – Machine data transmission.

• DIY IoT Projects – Replace Wi-Fi where coverage is weak.

Pinout & Wiring (SPI):

• VCC → 3.3V (1.9–3.6V range).

• GND → Ground.

• SCK, MOSI, MISO, CSN → SPI pins of MCU.

• CE, TX_EN, PWR_UP → Control pins.

Technical Specifications:

• Frequency: 433MHz (315/868/915MHz variants available).

• Range: Up to 500m LOS (line-of-sight, with antenna).

• Modulation: GFSK (Gaussian Frequency Shift Keying).

• Antenna: External 433MHz whip antenna included.

• Dimensions: 20mm × 15mm.

Package Includes:

• 1x NRF905 RF Module.

• 1x 433MHz Antenna.

• Header pins (unassembled).

Why Choose the NRF905?

✅ Better Range Than NRF24L01 – Ideal for outdoor use. ✅ Simple SPI Control – Works with Arduino RF libraries. ✅ Low-Cost Wireless – No Wi-Fi/BT overhead.