WiNRADiO Communications

WR-G315E External PCI card professional receiver 9KHz - 1800MHz

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(£1,995.00 exc. VAT)

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The WiNRADiO WR-G315e is a software-defined high-performance VHF/UHF receiver (9 kHz to 1800 MHz, extendable to 8599 MHz using an optional Antenna Multiplexer and Frequency Extender) with a USB interface, an external version of the WR-G315i receiver.This receiver is intended for government, military, security, surveillance, broadcast monitoring, industrial and demanding consumer applications.The receiver offers an unparalleled flexibility given its SDR architecture, respectable dynamic range, and high sensitivity. Many useful features complement the receiver, making it capable of filling not only the role of a monitoring receiver but also that of a measuring receiver, such as the calibrated S-meter showing the received signal levels in dBm, µV or S-units, down to the ‑140 dBm noise floor, several spectrum analyzers, and many other features not usually found on receivers of this price.The receiver connects to an IBM-compatible PC via the USB port. Several receivers can be controlled by a single PC to form a multi-channel HF receiver system.The receiver has its own on-board DSP, and does not rely on the PC sound card for the signal input; the digitization is done in the receiver itself, using a high-performance analog-to-digital converter. As the DSP performs the final stage IF filtering and all demodulation, this receiver is entirely software-defined, which means that additional demodulation or decoding modes can be easily added by a mere software change. (For example, an optional DRM decoder/demodulator is also available.)Easily installed to any modern computer with the USB interface, this receiver represents an excellent mobile solution for VHF/UHF listening and monitoring.The WR-G315e software contains numerous advanced features such as three types of scanning, five types of squelch, many tuning options, virtually unlimited memories and a rich on-line help facility.There are numerous demodulation modes, continuously variable IF bandwidth 1 Hz to 15 kHz (in 1 Hz increments), a 20 kHz wide real-time spectrum analyzer with 16 Hz resolution, noise blanker and notch filter. There is also an integrated recorder, making it possible to instantly record and playback the received signal.Apart from audio recording and playback, the receiver can also record an entire 20 kHz wide IF spectrum, making it possible to thoroughly analyze the received signal, and "re-receive" the same signal again and again with different IF filter bandwidths, notch filter, noise blanking or demodulator settings, to arrive at the best possible reception of weak or interference-prone transmissions.In addition to the real-time narrow-band spectrum analyzer, there is also a wide-band spectrum analyzer which contains additional professional instrumentation facilities: the ability to display minimum and maximum spectrum sweeps, search for peaks, average spectra, save and print spectra, marker mode, etc. Another useful feature, previously unavailable with receivers of this price class, is a test and measurement facility, performing measurements on the received signal including frequency accuracy, amplitude modulation depth, frequency deviation, THD (total harmonic distortion) and SINAD. An audio spectrum analyzer is also included, making it possible to observe the demodulated spectrum in real-time with a resolution of 5 Hz.The unique research and education function makes it possible to explore interactive block diagrams of the software-defined demodulator, for each demodulation mode, and observe demodulation taking place on real-time signals using two spectrum analyzers and a vector voltmeter.The Client/Server Option makes it possible to control the receiver remotely via LAN or Internet. The receiver may be located physically on the opposite side of the globe, but to the user it will appear as if it was connected locally.

What's included?

The standard WR-G315e package includes:

WR-G315e receiver

Application software

Comprehensive user's manual

Low-noise linear power supply

Start-up antenna

USB cable

BNC-to-SMA adapter

System requirements:

PC with 500 MHz Pentium CPU or faster

One free USB socket

Windows XP, Vista, Windows 7 or 8

WFM Option Explained:

With the standard WR-G315e receiver, the FMW mode button is disabled and the wide FM demodulation mode is not available. This is because wide FM demodulation cannot be provided within the signal-processing constraints of the WR-G315e software-defined narrow-band receiver architecture.

However, wide-band FM demodulation capability is available as a factory-installed option. The wide-band FM demodulator option is in fact a self-contained "hardware-defined" receiver which shares only the main receiver's front-end and first mixer, but has an independent wide-band analog processing circuit with a conventional "hardwired" demodulator.

If the Wide FM Option is installed, the FMW button becomes active. The demodulator spectrum display shows real-time spectrum of the demodulated audio. There is also a user-definable audio filter, displayed superimposed over the audio spectrum and graphically adjustable. The order code for a receiver with the Wide-FM Option installed is WR-G315e/WFM.

Receiver type DSP-based SDR with DDS-based dual-conversion superheterodyne front end

Frequency range 9 kHz - 1800 MHz

(3500 or 8599 MHz with optional AMFE unit)

(except cellular radiotelephone frequencies where required by law)

Tuning resolution 1 Hz


(wide-FM with optional WFM demodulator)

Image Rejection

2-100 MHz: 60 dB typ.

100-1000 MHz: 50 dB typ.

IP3 0 dBm @ 20kHz

Spurious-free dynamic range 90 dB

MDS -135 dBm

Phase noise -148 dBc/Hz @ 100 kHz

Internal spurious Typically less than equivalent antenna input of -105 dBm

RSSI accuracy 2 dB typ.

RSSI sensitivity -137 dBm


50 - 15000 Hz (adjustable in 1 Hz steps)

230 kHz (WFM option only)

Scanning speed 50 channels/s


(AM/SSB/CW 10dB S/N)


Mode 0.15‑500 MHz 500‑1800 MHz

AM, AMS (30% modulation) ‑108dBm

(0.89µV) ‑104dBm


AM, AMS (80% modulation) ‑116dBm

(0.35µV) ‑112dBm


LSB, USB, ISB, DSB ‑119dBm

(0.25µV) ‑115dBm


CW ‑126dBm

(0.11µV) ‑122dBm


FM ‑113dBm

(0.50µV) ‑109dBm


WFM (WFM option only) ‑104dBm

(1.40µV) ‑102dBm


Intermediate frequencies

IF1: 109.65 MHz

IF2: 16 kHz

Roofing filter 2 x 4-pole 20 kHz crystal filter

Tuning accuracy 1 ppm (25°C ±2°C)

Frequency stability 0.5 ppm (0 to 60° C)

Antenna input 50 ohm (SMA connector)

Maximum input level +18 dBm

Output Digitized IF and audio signal over USB interface

Interface USB (1.0 and 2.0 compatible)

Dimensions Length: 166 mm (6.5")

Width: 97 mm (3.8")

Height: 41 mm (1.6")

Weight 430 g (15.1 oz)