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The SunSDR2 PRO transceiver is designed for advanced use in HF and VHF bands. Even the most experienced operator will be surprised by its capabilities. The modern hardware in a small physical size makes this high performance SDR transceiver the perfect base station while at the same time very portable for field operations.

SunSDR2 PRO has a special connector for controlling the external devices. It allows to connect to it practically any power amplifiers, rotators, narrow band pass filters, etc. With a help of this capability your place can become a professional studio for work in the air.

The SunSDR2 PRO is perfect for contesting. Its powerful and flexible software lets you create custom designed station setups for many different types of contest efforts.

Main capabilities

Separate independent receive path based on Direct Down Conversion principle (DDC)
Separate independent transmitter, based on the Direct Up Conversion principle (DUC)
Full or half-duplex mode *
Antenna switch for 2 antennas in HF
Built-in power-meter and SWR-meter in HF band
External control connector for other devices, 10 powerful keys with open collector
ALC connector for external power amplifiers
Input connector for connecting PTT footswitch
Input connector for connecting CW-key
Output Jack for headphones, impedance 8-1000 Ohm
Microphone input Jack for electret microphone
Microphone connector with PTT switch Yaesu MH-31,which contains microphone, PTT button and 3 additional functional buttons
Protection from polarity reversal
Ethernet LAN interface provides galvanic isolation between transceiver and PC
Transceiver's calibrations are kept inside the device. No need for primary calibration
Possibility of remote work. PTT footswitch and CW-key are connected to the E-Coder panel, microphone – to the PC
* Full duplex mode is supported by the transceiver's hardware, but is not software implemented. This mode will be supported in the future ExpertSDR2 software versions.

Application field

Radio Amateur HF/VHF transceiver
Remote reception point for contests
SO2R/SO2V working contest-station
Spectrum analyzer with the spectrum scope up to 80MHz
Record air stations with the further reproducing
PC requirements

CPU Intel Core i3 1.6 GHz and higher
Video card, minimum resolution 1024x600, 128 MB, OpenGL 1.5 support and higher
Local network connector 100 Mbps or 1 Gbps
OS Windows XP/7/8 x32 or x64, OS Linux Ubuntu x64

ExpertSDR2 software is used to support SunSDR2 PRO transceiver.

Two OS types are supported : Windows XP/Vista/8 и Linux Ubuntu/Kubuntu.


Transceiver SunSDR2 PRO configuration

  • Transceiver SunSDR2 PRO
  • LAN-cable for connecting to local network (1.8m)
  • Power cable for connecting the transceiver to power supply (2m)
  • Audio-adapters JACK 6.3mm to JACK 3.5mm for connecting PC's headset to transceiver (2 pcs.)
  • CD-disk with software (Software can be also downloaded from our web-site)
  • RF Cable MiniUHF-Male to PL259-Female 1Ft (0.3m)

Modulation types: LSB/USB/DSB/CW/AM/SAM/NFM/WFM
General coverage receiver in HF: 0.09...65 MHz
General coverage receiver in VHF: 95...148 MHz
Frequency coverage in HF in TX mode, MHz: All amateur frequencies
Frequency coverage in VHF in TX mode: 144-146 MHz
Sensitivity: 0,07uV
Nominal transmitter's output power in HF: 15 W
Nominal transmitter's output power in VHF: 7W
Blocking dynamic range in HF mode (BDR): 129dB
Blocking dynamic range in VHF mode (BDR): >114dB
RF type of ADC: LTC2209, Linear Technology
RF ADC clock frequency: 160 MHz
RF ADC resolution: 16 bit
RF DAC clock frequency: 640 MHZ
RF DAC resolution: 14 bit
Recommended power supply: 15 V
Local oscillator's stability: +/- 0.5 ppm
Supply voltage range: 12...16 V
Maximum consumption current: 5 A
Built-in audio codec resolution: 24 bit
ALC input voltage range: 0-4 V
Operating temperature: 0-75 ºC
Dimensions: 165х165х35 mm
Weight: 1,5 Kg