Turn your Arduino into a powerful radio transceiver!
Now in stock and shipping!
HamShield lets your Arduino talk to far away people and things using powerful amateur radio bands! Best of all, the hardware and software is open source! Launched on Kickstarter and available today! Voice and packet radio data are supported in our library.
This is the HamShield only. No power connector or antenna is provided. This uses a standard SMA antenna, which some of our users may already have. Since this is an amateur radio kit, soldering of the SMA antenna and headers are required (but we promise it's easy!).
If you are looking to purchase a great antenna for the HamShield, we suggest the SMA Male variant of the Smiley TRI-BAND, purchased directly from Smiley Antenna.
New version 1.0 has improved, simplified amplifier as well as various bug fixes!
New version 1.0 is compatible with HamShield 0.9
Form Factor: Arduino-compatible stackable shield
Arduino Pins: I2C; GPIO, PWM and ADC
Frequency RX/TX: 134-174MHz, 200-260MHz, 400-520MHz
Amateur Radio Bands: 2 Meter, 1.25 Meter, 70 Centimeter
Power Output: 0.5W
Radio SoC: Auctus AT1846S (Most recent model of the RDA1846)
Channel Bandwidth: Selectable between 12.5KHz and 25KHz
Subaudio Modes: CTCSS, CDCSS (transmit/receive independent)
Advanced Features: Volume, Squelch, VOX, DTMF encode, DTMF decode, tail noise elimination, tone generator, tone detector, RSSI
Pre-Emphasis: Can be disabled to assist with digital modes
Antenna Connector: SMA, 50 Ohm (optional tri-band antenna)
Audio Connection: Hardware selectable between TRRS (mobile phone style headset) and Arduino PWM/ADC inputs and outputs, PWM/ADC smoothing filters built in
Input Voltage Range: 5-20VDC, 4xAA, 7.4 volt lithium battery pack, power adapter capable (requires external power supply as Arduino's USB does not supply enough power for shield) - power supply not included on basic HamShield package