SunSDR2 PRO WLAN HF, 6m & 2m Transceiver


Out of stock

SunSDR2 PRO is a direct sampling SDR transceiver developed for serious DXing and contesting. It covers all HF bands plus 50 MHz and 144 MHz VHF bands with a general coverage receiver. It combines high performance in a small package and has a LAN interface for maximum flexibility. Remote control over DSL or mobile 3G and 4G connections provide a full SDR experience using the Expert Remote System.

The supplier of the WLAN module has discontinued the product, therefore we are not able to deliver SunSDR2 PRO with WLAN.

Please contact us if you have any questions about the SunSDR2 PRO. We love to help!

2,229 $

  • EUR: 2,090 €
  • SEK: 23,576 kr.

Out of stock

SunSDR PRO features a high speed LTC2209 ADC for superior BDR, Blocking Dynamic Range, a big heatsink for good cooling, a local oscillator with high stability. The SunSDR2 PRO comes with a 10 MHz reference input as standard. The user friendly but powerful ExpertSDR2 software is included and future updates are free.

SunSDR2 PRO 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
  • 10 MHz reference input
  • Built-in power-meter and SWR-meter in HF band
  • 8 open collector outputs for control of antenna switches, band pass filters or other accessories.
  • ALC output for external power amplifier**
  • PTT input for footswitch
  • CW key input
  • Headphones output, impedance 8-10000 Ohm
  • Microphone input for dynamic or electret microphone
  • Modular microphone input for Yaesu MH-31 or other hand mic with PTT and 3 additional function buttons
  • Polairty reversal protection
  • Ethernet LAN interface with galvanic isolation between transceiver and PC
  • Transceiver’s calibrations are kept inside the device. No need for primary calibration
  • Remote operation over LAN with CW key and PTT via E-Coder panel, and RX and TX audio via PC.
  • Remote Control over Wan/Internet using the ExpertSDR Remote System (free software).

* Full duplex mode is supported by the hardware, but is not yet implemented in the software. Full duplex is a planned feature in a future release of ExpertSDR2.

** ALC functionality is supported by the transceiver’s hardware but is not implemented in the ExpertSDR2 software. It will be supported in the future ExpertSDR2 software releases.

SunSDR2 PRO Application field

  • Amateur Radio HF/VHF transceiver
  • SO2R/SO2V contest radio
  • MO2R – two operators in Run & Multiplier station applications
  • Spectrum analyzer with the spectrum scope up to 80MHz
  • Record frequency spectrum for later playback
  • Clean operating position controlling radio over LAN
  • Remote Control via DSL or mobile 4G or 3G connection

ExpertSDR2 Software

The ExpertSDR2 software package is used to control the SDR transceiver. In receiving mode the software provides two independent receiving channels with up to 312 kHz bandwidth. Each receiver has its own sub receiver. ExpertSDR2 runs under Windows XP/7/8/10 x32 or x64, Linux Ubuntu x64 and MacOS (MacOS currently beta). Minimum hardware requirement Intel Core i3 1.6GHz or higher, video card supporting OpenGL 1.5 and RAM 256 MB or more.

Whats in the Box

  • SunSDR2 PRO Transceiver
  • LAN-cable 1.8m for connecting to local network
  • Power cable 2.0m for connecting to power supply
  • Two 6.3mm phono male to 3.5mm phono female adapters to connect a headset to the radio
  • Mini UHF (male) to SO239 (UHF/PL female) pigtail adapter with 30 cm  RG58 coax.

Optional Configuration

SunSDR2 PRO Recommended Accessories

In addition to the sunsdr2pro we also recommend the following accessories :

Transmitter Specifications

HF output power 15 (max 20W)
VHF output power 8W
Frequency range All ham radio bands (160-6m, 2m)
DAC converter 14 bit 640 MSPS
SSB carrier rejection >70 dB
I/Q image rejection >90 dB
IMD3 30 dB
Dynamic microphone impedance 600 Ohm (Yeasu MH-31 compatible)

Receiver Specifications

Frequency range 10 kHz to 65 Mhz, 95 MHz to 148 MHz
Oversampling frequency range 10 kHz to 300 MHz
Bandscope width 20 kHz to 80 MHz
IQ output sample rate 39, 78, 156 and 312 kHz
Independent receiver channels 2
Blocking Dynamic Range (BDR) 129 dB
IMD3 Dynamic Range 100 dB
I/Q image rejection >110 dB
Sensitivity (preamp on) 70 nV
Attenuators -20, -10, 0, +10 dB
ADC converter 160 Msps, 16 bit
10 MHz reference input Optional
WLAN interface 100 Mpbs
LAN 100 Mbps protocols UDP, ICMP, ARP
Onboard high quality audio DAC 24 bit
Output for external equipment 8 programmable transistor switches

SunSDR2pro Block Diagram


SunSDR2 PRO Block Diagram

SunSDR2 PRO Brochure
SKU: SS2PRO-W Categories: ,
Weight 2.38 kg
Dimensions 32 × 24 × 9 cm

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