The HobbyPCB RS-UV3A radio module is a 144/220/450 MHz FM transceiver board. The RS-UV3A is a low cost transceiver solution for Packet Radio, repeaters, Echolink stations, base station and mobile applications. The RS-UV3A supports multiple interfaces including microphone/speaker, line level audio (soundcard), TTL serial control, Arduino Shield connections and USB. The RS-UV3A provides conditioned power for the Arduino controller.
Frequency: 144-148, 220-225, 420-450 MHz
Sensitivity: -120 dBm for 12 dB SINAD
TX Power: 23 dBm +- 1dB
Spurious Emissions: -60 dB or lower
DC input: 3.5 – 16V, Current Depends on input voltage
Size: 4.7″ X 2.9″
Supports ARDUINO, RASPBERRY PI, WINDOWS, LINUX, MAC and others
- Simple serial interface, no complicated library/drivers required
- Built-in level shifters for 5V or 3.3V serial lines for direct connection to ARDUINO and RASPBERRY PI
- Onboard FTDI USB to Serial interface for no-dongle connection to computer
Stand-Alone operation
- Many applications require no external processor at all
- On board support for beacon, repeater, single channel voice, Echolink, APRS and Packet
- Legacy support of old analog single board RX and TX with higher performance and lower price
Superior RF performance
- Qorvo LNA and PA MMICs for low noise figure and stable output power
- individual low-pass filters for each band to exceed FCC Spurious requirements
- Custom RX filter to reject out-of-band signals and level the gain across the 3 bands
Multiple Audio interfaces
- line level in and out with firmware adjustable levels
- 3.5mm TRRS jack for PTT Speaker/Mic
- connections for internal speaker, electret microphone and PTT switch
Flexible Power Options
- Wide range input voltage (3.5 – 16V)
- Can be powered via USB connector
- 48 hour RX, 24 hour TX with 3000mA battery pack
- Automatic switch-over from USB power to DC input
Software Support
- Virtual front panel available for free download
- Register level access to RDA-1846S chip for advanced programming
- Simplified API Command set for easy integration with ANY single board computer
- Voltage and Temperature sensors on board
- RS-UV3 Arduino Communications Examples
More information in our Wiki at https://sites.google.com/site/hobbypcbrsuv3awiki/
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