WiNRADiO WR-G31DDC “Excalibur”

The WiNRADiO WR-G31DDC ‘Excalibur’ software defined receiver

The WiNRADiO WR-G31DDC ‘EXCALIBUR’ is a high-performance, low-cost, direct-sampling, software-defined, shortwave receiver with a frequency range from 9 kHz to 50 MHz. It includes a real-time 50 MHz-wide spectrum analyzer and 2 MHz-wide instantaneous bandwidth available for recording, demodulation and further digital processing. The Excalibur receives impressive reviews and tops the SDR category in affordable performance.

Specs:

• 9 kHz to 49.995 MHz continuous frequency range
• Direct sampling
• Digital down-conversion
• 16-bit 100 MSPS A/D conversion
• 50 MHz-wide, real-time spectrum analyzer
• 2 MHz recording and processing bandwidth
• Three parallel demodulator channels
• Waterfall display functions
• Audio spectrum analyzer
• Audio and IF recording and playback
• Recording with pre-buffering
• EIBI, HFCC and user frequency databases support
• Very high IP3 (+31 dBm)
• Excellent sensitivity (0.35 µV SSB, 0.16 µV CW)
• Excellent dynamic range (107 dB)
• Selectable medium-wave filter
• USB 2.0 interface

Resources:

• Manufacturer’s Product Page – WiNRADiO WR-G31DDC “Excalibur”
• Reviews:
  • Our review of the WinRadio Excalibur
  • See WRTH 2011 for a comprehensive review (not online)
  • Radio User (UK)
  • RadCom
  • Monitoring Times Magazine
  • Eham
  • ARRL (see embedded video below)
• Retailers
  • Grove