RFM69HCW Radio Shield for Arduino Leonardo, Uno, Mega, and Due, wireless

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Description: The RFM69HC is a radio module operating in the unlicensed frequency band (Industry, Science, and Medicine) at 315, 433, 868, and 915 MHz. This frequency spectrum is intended for radios with low power, short range, and without a license. It's ideal for building cost-effective short-range wireless networks of sensors and actuators for home automation, education, and more. The transmission power and speed can be adjusted to fit your application. For instance, you can maximize range by increasing the transmission power and decreasing the data rate, or reduce both for short-range sensor networks that minimize battery consumption. The RFM69HCW radio shield uses an SPI (Serial Peripheral Interface) to communicate with a host microcontroller, and several reliable Arduino® libraries are available for it.

+ Educational: Discover the fascinating world of Whadda soldering kits and learn the basics of electronics through engaging projects. The kits offer step-by-step instructions and clear explanations, allowing both beginners and experts to learn and experiment.

+ Creativity: Give space to your imagination and create unique electronic projects with the Whadda soldering kits. Unleash your creativity and build something that is truly yours!

+ Made in Belgium : Whadda is a unique brand from Belgium's Velleman Group that offers DIY projects for hobbyists or makers who want to immerse themselves in electronics, programming and mechanics.

+ STEM project: Develop and improve your STEM skills and acquire the knowledge, skills and experience needed to face the technological challenges of the future with this educational kit. This educational kit will trigger a number of processes such as problem-solving, investigative and creative thinking.

+ Perfect for young and old: With this experiment kit, children and adults with little or no prior knowledge can take their first steps into the exciting world of electronics and advanced users can deepen their knowledge.

- The kit is ideal for youngsters and adults aged 9 to 99! However, children under 14 must be accompanied by an adult.

- To make this kit, you will need some basic tools (not included): a soldering iron or station, solder tin and pliers. Another practical tool is an anti-static soldering mat.


Product basic info
Instruction manual languagesEnglish
Primary coloursGrey
Depth unit7.5 cm
Height unit3.5 cm
Width unit15.5 cm
Weight unit36 g


Technical data
Specifications kits & modules
  • Compatible with 3.3v or 5v I/O Arduino Board
  • Compatible with Arduino Leonardo, Uno, Mega and DUE development boards
  • SPI interface
  • Frequency Band: 315, 433, 868 and 915 MHz (programmable)
  • Suitable for LoRa network applications
  • Low power consumption
  • Included external antenna via I-Pex connector
  • Built-in temperature sensor
  • Built-in bit synchronizer performing clock recovery
  • Incoming sync word recognition
  • Automatic RF Sense and CAD with ultra-fast AFC
  • Constant RF performance over voltage range of module
Specifications extra kits & modules
  • 168 dB maximum link budget
  • +20 dBm – 100 mW constant RF output
  • High sensitivity: down to -120 dBm at 1.2 kbps
  • High selectivity: 16-tap FIR channel filter
  • Low current: Rx = 16 mA, 100 nA register retention
  • Programmable Pout: -18 to +20 dBm in 1 dB step
  • FSK bit rates up to 300 kb/s
  • Fully integrated synthesizer with a resolution of 61 Hz
  • FSK, GFSK, MSK, GMSK, LoRaTM and OOK modulation
  • Packet engine with CRC-16, AES-128, 66-byte FIF
  • 115 dB+ dynamic range RSSI


Operational properties
Coding skill levelnone
Electronics skill levelnone
Mechanics skill levelnone
Soldering skill levelnone

Documentation and Downloads