RFM69 Packet Radio Shield for Arduino
Build short range wireless data networks with this RFM69 Packet Radio Shield for Arduino from PMD Way.
The shield arrives fully-assembled and is based around the RFM69HCW packet radio transceiver module. This is an inexpensive and versatile radio module that operates in the unlicensed ISM (Industry, Science and Medicine) band, a set of frequencies set aside for low-power, short-range, license-free radios.
It’s perfect for building inexpensive short-range wireless networks of sensors and actuators for home automation, citizen science and more. The RFM69 can get messages from one side of a large office building to the other through numerous internal walls. In open air you can reach 500 meters or more.
The RFM69HCW uses the SPI bus (Serial Peripheral Interface) to communicate with a host microcontroller, and several good Arduino libraries are available. It supports up to 256 networks of 255 nodes per network, features AES encryption to keep your data private, and transmits data packets up to 66 bytes long.
Our RFM69 Shield connects the RFM69 module to the appropriate lines on the Arduino. By using the RF69 Library, you can send and receive messages via standard 4-wire SPI. The library includes command structures for setting up anything from simple non-addressed point-to-point communication to fully addressed networks of clients and routers.
The shield has on-board power regulation and level shifting. There are one pin headers and jumpers on the interrupt (nIRQ), interface select (nSEL), shutdown input (SDN) and GPIO2 lines so that you can cut the trace and reroute those lines if you need to for your project.
Features:
- Frequency Range = Software configurable from ~240MHz to 980MHz
- Sensitivity = -118 dBm
- +17 dBm Max Output Power (Configurable)
- Data Rate = 1 to 128 kbps
- Digital RSSI
- Wake-on-radio
- Configurable packet structure
- Preamble detector
- TX and RX 64 byte FIFOs
- Low battery detector
- Temperature sensor and 8-bit ADC
- -40 to +85 °C temperature range
Specifications:
- Transmit power: -18dBm (0.016mW) to +20dBm (100mW) in 1dBm steps
- Receive sensitivity: down to -120dBm at 1.2kbps
- Standby current: 200uA
- Bit rates : 1.2kbps to 300kbps
- Work voltage: 5V
- Current consumption: 0.1uA sleep, 1.25mA standby, 16mA receive, 130mA transmit (max)
- Encryption: AES 128-bit (optional)
- Packet buffer (FIFO): 66 bytes
More information:
- Download and install Arduino RFM69 library
- Shield tutorial and example sketches
- Download RF module data sheet (.pdf)