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Model: RSPduo
Nyíregyháza (HU): 7 pieces in stock
Budapest (HU): 2 pieces in stock
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259.04 EUR
233.13 EUR (195.91 EUR + VAT)
Discount: 25.91 EUR 10%
Sale duration: 12/12/2022 - 31/12/2024
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The SDRplay RSPduo is a dual-tuner wideband full featured 14-bit SDR receiver, which covers the entire RF spectrum from 1kHz to 2GHz giving 10MHz of spectrum visibility. Combined with the power of SDRuno software for Windows, you can simultaneously monitor two completely separate 2MHz bands of spectrum anywhere between 1kHz and 2GHz. The RSPduo SDR receiver provides three software selectable antenna inputs, and clocking features ideally suited to industrial, scientific and educational applications. All it needs is a PC and an antenna to provide excellent communications receiver functionality. A documented API allows developers to create new demodulators or applications around the platform. 

SDRplay RSPduo SDR receiver key benefits:

  • Simultaneously receive on two totally independent 2MHz spectrum windows anywhere between 1kHz and 2GHz
  • Simultaneous processing from 2 antennas enables direction-finding, diversity and noise reduction applications
  • Ideal for cross band full-duplex reception, e.g. HF + VHF or VHF + UHF
  • Simultaneous Dump1090 and VHF ATC reception
  • Simultaneous monitoring and recording of 2 ISM bands
  • Covers all frequencies from 1kHz through VLF, LF, MW, HF, VHF, UHF and L-band to 2GHz, with no gaps
  • Receive, monitor and record up to 10MHz of spectrum at a time (single tuner mode)
  • External clock input and output for synchronisation purposes, or connection to GPS reference clock
  • Excellent dynamic range for challenging reception conditions
  • Works with popular EXTIO-based SDR software (available mid 2018)
  • Software upgradeable for future standards
  • Strong and growing software support network
  • API provided to allow demodulator or application development
  • Calibrated S meter/ RF power and SNR measurement with SDRuno (including datalogging to .CSV file capability)
  • Ideal for portable monitoring of ISM/ IoT/ Telemetry bands <2GHz
  • World-class technical support via 

SDRplay RSPduo SDR receiver key features:

  • Dual tuner provides independent coverage from 1kHz to 2GHz using 2 antenna ports simultaneously
  • 14-bit ADC silicon technology (not another 8 bit dongle!)
  • Up to 10MHz visible bandwidth (single tuner mode) or 2 slices of 2MHz spectrum (dual tuner mode)
  • 3 software-selectable antenna ports ( 2 x 50Ω and 1 x 1kΩ high impedance balanced/unbalanced input)
  • High impedance antenna port (1kHz to 30MHz) with selectable MW notch filter and choice of 2 pre-selection filters
  • Software selectable AM/FM and DAB broadcast band notch filters for the 2 SMA antenna (1kHz to 2GHz) antenna ports
  • External clock input and output enables easy synchronisation to multiple RSPs or external reference clock
  • Powers over the USB cable with a simple type B socket
  • 11 high-selectivity, built in front-end preselection filters on both the 2 SMA antenna ports
  • Software selectable multi-level Low Noise Preamplifier
  • Bias -T power supply for powering antenna-mounted LNA
  • Enclosed in a rugged black painted steel case.
  • SDRuno—World Class SDR software for Windows
  • Documented API for new apps development 

You can find more information on the following sites:

Q:What is the recommended application software for remote receiver, websdr, skimmer

A:I recommend using SDR-Console v3. It has a built in client/server. SDR-Console support the client/server in LAN and WAN network environments. You can also use a Raspberry PI 3 with our SDRplay PI ISO. This prebuilt/pre-compiled ISO has all the needed utilities to deploy the Pi and RSP as a server using Soapyremote and CubicSDR. Connecting clients would install CubicSDR and connect to the PI via soapyremote. This will only work in an LAN environment and not in a WAN environment. Both software packages are available via the download section of

SDR radios have no control panel, therefore manufacturers do not supply a user manual. Our company only sells SDR hardware; operation of these devices requires various software that you can download from the internet.  Most of these software products are only available for download in the English language  from the websites of manufacturers and third party developers (many of them radio amateurs) either for free or for a fee.  Installation, setup and usage of the software require an intermediate level of proficiency in computing and the English language. We do not advise to buy these equipment unless you are in possession of these required skills, and we highly recommend to seek assistance and prior information from other radio hams on internet-based forums and user groups.

For SDRplay products, we recommend you to purchase the USB printer cable that we sell. Other USB cables may generate a lot of electromagnetic noise which may interfere with reception.

SDRplay RSPduo specifications
Weight 315g
Size 95mm x 80mm x 30mm
Low Current Single tuner 180 mA (excl Bias T), Both tuners:280 mA (excl Bias T)
Frequency Range Continuous coverage 1kHz – 2GHz
Connectivity USB 2.0 (high speed) type B socket
Tuner 1 Antenna Coax Port Characteristics 1kHz – 2GHz operation, 50Ω input impedance, SMA female connector
Tuner 1 High-Z Port Characteristics 1kHz – 30MHz operation, 1kΩ input impedance (balanced), Pluggable screw connector (CTB9208/3 plug supplied)
Tuner 2 Antenna Port Characteristics 1kHz – 2GHz operation, 50Ω input impedance, SMA female connector, Selectable 4.7V DC out (see Bias T)
Reference Clock Input and Output MCX female connector
ADC Characteristics • Sample frequency 2 – 10.66MSPS • 14 bit native ADC (2 – 6.048MSPS) •12-bit (6.048- 8.064 MSPS) •10-bit (8.064- 9.216MSPS) • 8-bit (> 9.216 MSPS )
Bias T (Tuner 2 Port only) Software selectable 4.7V @ 100mA
Maximum recommended input power 0dBm continuous, 10dBm for short periods
Typical Noise Figures (50 ohm) • 18dB @ 2MHz • 15dB @ 12MHz • 15dB @ 25MHz • 15dB @ 40MHz • 3.3dB @ 100MHz • 3.3dB @ 200MHz • 5.8dB @ 340MHz • 3.6dB @ 660MHz • 4.3dB @ 1500MHz • 5.0dB @ 1800MHz
Typical Noise Figures (High-Z) • 14dB @ 2MHz • 18dB @ 15MHz
IF Modes • Zero IF, All IF bandwidths • Low IF, IF bandwidths ≤ 1.536MHz
IF Bandwidths (3dB) • 200kHz • 300kHz • 600kHz • 1.536MHz • 5.0MHz • 6.0MHz • 7.0MHz • 8.0MHz
Maximum recommended input power 0dBm continuous, 10dBm for short periods
Reference • High temp stability 0.5PPM TCXO • In-field trimmable to 0.01ppm.
External Reference Clock I/O (24MHz) When an external 24MHz clock is applied, auto-detect will switch to the external reference. Ideally the external clock source should be connected to the RSPduo before power up.
Front End Filtering (Coax Antenna Ports) Low Pass • 2MHz Band Pass • 2-12MHz • 12-30MHz • 30-60MHz • 60-120MHz • 120-250MHz • 250-300MHz • 300-380MHz • 380-420MHz • 420-1000MHz High Pass • 1000MHz
Notch Filters (Coax Antenna Ports) • FM Notch Filter >30dB 77 – 115MHz >50dB 85 – 107MHz >3dB 144 – 148MHz MW • Notch Filter >15dB 400 – 1650kHz >30dB 500 – 1530kHz >40dB 540 – 1490kHz • DAB Notch Filter:>20dB 155 – 235MHz >30dB 160 – 230MHz
Front End Filtering (High Z Tuner 1 Port) Choice of 0-2MHz and 0-30MHz low pass
Notch Filters (High Z Tuner 1Port) MW Notch Filter >15dB 490 – 1640kHz >30dB 560 – 1470kHz
Note The notch filters above are software selectable and remove specific broadcast bands. Each port carries its own filters which can be independently selected.


9 rating
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Verified purchase
Excellent communication.
Great proper dual SDR receiver.
Verified purchase
Great device. Easy to launch. Just plug'n'enjoy.
Ez lett a végső megoldás az állandó zaj problémára. A két vevő fázisban kiüti a zajt, és csak a hasznos jel marad. Ez gyakorlatban annyit tesz, hogy S8-as zajból a DUO-val előbukkan az addig nem hallható S4-es térerővel jövő állomás.
Ha nem diversityben megy, akkor akár VHF és HF frekvenciák hallgathatóak együtt vele.
Egy gépen az SDR UNO-val akár több SDR vevő is (fizikailag) mehet, nekem a DX és az UNO egyszerre. Ez akár 30 frekvencia együttes figyelését, és akár rögzítését jelenti. És ez csak a jéghegy csúcsa...
Verified purchase
Nagyon jó.
Verified purchase
the item came as promised without any problems
Verified purchase
Nem csalódtam, az SDRPlay RSPDuo a ketegórájának egyik legjobbja. Kicsit másabb ugyan, mint az Airspy, de jelentős különbséget nem találtam. A telepítés és az integráció gond nélkül elsőre sikerült. A kezelő felülete jól testreszabható és rendkívül stabilan viselkedik (egy 14 napos teszt után kijelentve). Szerintem ajánlott darab.
Verified purchase
Produsul este de buna calitate. La teste a dat rezultate neașteptat de bune in benzile de radioamatori pe unde scurte. Selectivitate remarcabilă datorita filtrelor ajustabile în funcție de tipul de transmisii urmărite; CW, SSB, FM etc. Sunt mulțumit și de felul în care a fost onorată comanda.
Verified purchase
Excellent job. SDR works as designed. No problems with software at this moment . I still need to get more experience, since SDRplay duo is one of my several SDR radios. Happy Christmas and new Year.
73 de Jurij S56FC
Kategóriájában meglepően jó eszköz.
Természetesen vannak határai ,amit az SDR vevőknél már megszokhatunk.( 2X10 MHz sweep)
Viszont nagyjelű viselkedésben,érzékenységben kifogástalan.
Összefoglalva: nagyon jó ár-érték arány.Preciz és robusztus kivitel,ami a kitelepülésekkor nem mindegy.