Get exclusive volume discounts, bulk pricing updates, and new product alerts delivered directly to your inbox.
By subscribing, you agree to our Terms of Service and Privacy Policy.
Direct access to our certified experts
Receiver type: Direct-sampling, digitally down-converting software-defined receiver
Frequency range: 9 kHz to 49.995 MHz
Tuning resolution: 1 Hz
Mode: AM, AMS, LSB, USB, CW, FMN, FSK, UDM (user-defined mode)
DRM mode optional
Image rejection: 90 dB typ.
IP3: +31 dBm typ.
Attenuator: 0 - 21 dB, adjustable in 3 dB steps
SFDR: 107 dB typ.
Noise figure: 14 dB
MDS: -130 dBm @ 10 MHz, 500 Hz BW
Phase noise: -145 dBc/Hz @ 10 kHz
RSSI accuracy: 2 dB typ.
RSSI sensitivity: -140 dBm
Processing and recording bandwidth (DDC bandwidth): 20 kHz - 2 MHz (selectable in 21 steps)
Demodulation bandwidth (selectivity): 10 Hz - 62.5 kHz (continuously variable in 1 Hz steps)
Spectrum analyzers:
Input spectrum/waterfall, 30 or 50 MHz wide, 1.5 kHz resolution bandwidth
DDC spectrum/waterfall, max 2 MHz wide, 1 Hz resolution bandwidth
Channel spectrum, max 62.5 kHz wide, 1 Hz resolution bandwidth
Demodulated audio, 16 kHz wide, 1 Hz resolution bandwidth
ADC: 16 bit, 100 MSPS
Sensitivity (typ. @ 10 MHz):
AM: -101 dBm (2.00 µV) @ 10 dB S+N/N, 30% modulation
SSB: -116 dBm (0.35 µV) @ 10 dB S+N/N, 2.1 kHz BW
CW: -123 dBm (0.16 µV) @ 10 dB S+N/N, 500 Hz BW
FM: -112 dBm (0.56 µV) @ 12 dB SINAD, 3 kHz deviation, 12 kHz BW, audio filter 300-3000 Hz, deemphasis -6dB/oct
Note: Below 200 kHz, the sensitivity gradually drops.
Tuning accuracy: 0.5 ppm @ 25 °C
Tuning stability: 2.5 ppm (0 to 50 °C)
MW filter: Cut-off frequency 1.8 MHz @ -3 dB
Attenuation 60 dB min @ 0.5 MHz
Antenna input: 50 ohm (SMA connector)
Output: 24-bit digitized I&Q signal over USB interface
Interface: USB 2.0 High speed
Power supply:
11-13 V DC @ 500 mA typ.
11-13 V DC @ 45 mA typ. (power save)
Operating temperature: 0 to 50 °C
- Includes:
The standard WR-G31DDC package includes:
WR-G31DDC receiver
User's guide
Application download instructions (CD ROM provided on request, as shown)
Low-noise switch-mode power supply
USB cable
BNC-to-SMA adapter
- System requirements:
PC with 2 GHz dual core CPU or faster*
One free USB 2.0 socket
Windows 7, 8, 10 or 11
