- Nov 11, 2019 GNU Radio is a free & open-source software development toolkit that provides signal processing blocks to implement software radios. It can be used with readily-available low-cost external RF hardware to create software-defined radios, or without hardware in a simulation-like environment.
- Airspy is a line of Popular Software-Defined Radio (SDR) receivers developed to achieve High Performance and Affordable Price using innovative combinations of DSP and RF techniques. The goal is to satisfy the most demanding telecommunications professionals and radio enthusiasts while being a serious alternative to both cost sensitive and higher.
- iSDR
iSDR is a software defined radio application compatible with the Apple iPhone, iPod touch and iPad. iSDR is designed for experimenters, shortwave listeners, and amateur radio enthusiasts who would like a truly portable software-defined radio receiver. - Audio Kit for iPhone
Audio Kit is a collection of four iphone applications which are essential for those working in audio and sound. A real time Spectrum Analyser, a Scope to display waveforms, an SPL Meter, and a sine wave Signal Generator. - MorseDecoder
HotPaw MorseDecoder for iPhone and iPad. Translates sounds from mic to text. Includes a DSP narrow band filter. - CallBook for iPhone
CallBook is an Amateur Radio application that allows you to look up call signs via the free WM7D server, the QRZ Online subscription service or the HamCall subscription server and track active APRS stations on www.aprs.fi. Lookup results can be emailed and the QTH can be instantly viewed in the Maps application - Amateur Radio Exam Prep for iPhone
Amateur Radio License exams are composed of questions from a pool. Use this application to practice all possible questions prior to taking your exam - GoSatWatch
Satellite tracking on the iPhone/iPod touch. Track and predict visible satellite passes. Touch a satellite in the map view to see it’s orbit path and location. - iPad iPhone HF Weather Fax Decoder App
HF Weather Fax lets you receive marine weather radiofascimile transmissions on your iPad, iPhone and iPod Touch. Just connect it to a shortwave radio tune in a weather fax frequency, and watch the images come in.
All about software defined Radio (SDR) Code signing is the process of digitally signing executables and scripts to confirm the software author and guarantee that the code has not been altered or corrupted since it was signed.
- ACARS Decoder App- ACARS decoder app for the iPad, iPhone, and iPad Touch
- Amateur Radio Exam Prep for iPhone- Amateur Radio License exams are composed of questions from a pool. Use this application to practice all possible questions prior to taking your exam[ Hits: 2510 | Votes: 3 | Rating: 10 ]
- aprs.fi for iPhone and iPad- Official aprs.fi iOS app, immediate real-time visibility to APRS traffic near you and around the world.
- Audio Kit for iPhone- Audio Kit is a collection of four iphone applications which are essential for those working in audio and sound. A real time Spectrum Analyser, a Scope to display waveforms, an SPL Meter, and a sine wave Signal Generator.[ Hits: 4027 | Votes: 4 | Rating: 5.5 ]
- BeaconAid-HF- Iphone app for ncdxf IARU beacon monitoring, shows the currently transmitting beacon on each band, reception charts from the active monitoring stations, and latest solar flux A and K indices
- CallBook for iPhone- CallBook is an Amateur Radio application that allows you to look up call signs via the free WM7D server, the QRZ Online subscription service or the HamCall subscription server and track active APRS stations on www.aprs.fi. Lookup results can be emailed and the QTH can be instantly viewed in the Maps application[ Hits: 3621 | Votes: 3 | Rating: 2 ]
- CommCat and CommCatLive- CommCat Mobile is a free integrated spot management, remote radio control, and logging app for the iPhone. CommCat is required for remote control.
- Couplings Designerupdated- Couplings Designer for iPhone. Modern advanced filter synthesis using coupling matrix techniques. There's a free LITE version limited to 4th order filters.[ Hits: 323 | Votes: 2 | Rating: 5.5 ]
- EchoLink- iOS EchoLink client, this free app will allow licenced ham radio operators to use iPhone, iPad or iPod devices to connect to the echoLink system and connect to repeaters or other echolink users.
- Elmer for iPhone- iPhone Software to practice taking your Ham Radio Exam[ Hits: 774 | Votes: 1 | Rating: 1 ]
- Friis-It NF for iPhone- Friis-It NF is the first iPhone OS based application that allows you to calculate noise figure, system sensitivity, and cascaded gain for an RF Receiver system
- GoSatWatch- Satellite tracking on the iPhone/iPod touch. Track and predict visible satellite passes. Touch a satellite in the map view to see it’s orbit path and location.[ Hits: 2465 | Votes: 0 | Rating: 0 ]
- Ham Dashboard- Iphone App with list of nearby repeaters in the UK, along with details of input and output frequencies, a map, and a handy bearing arrow for each repeater.
- HAM Distance- Do you want to know the distance between you and that far away DX station? Mircules HAM distance tells you the distance from your location to any ham operator or maidenhead grid location on the planet.[ Hits: 249 | Votes: 1 | Rating: 7 ]
- Ham Exam Preparation for iPhone- Master the Ham Radio license exams with Ham Technician, Ham General and Ham Extra! With these free iPhone applications, you will take the test with confidence.
- HamLog for iPhone- Amateur Radio logging application for the iPhone and iPod Touch.[ Hits: 1271 | Votes: 1 | Rating: 8 ]
- Hellschreiber App- Display and Send Hellschreiber On Your iPhone and iPad - iPhone / iPad app to send and receive Hellschreiber
- HF Beacon apps- Iphone apps to monitor HF Beacons by N0HOT[ Hits: 928 | Votes: 1 | Rating: 1 ]
- iPad iPhone HF Weather Fax Decoder App- HF Weather Fax lets you receive marine weather radiofascimile transmissions on your iPad, iPhone and iPod Touch. Just connect it to a shortwave radio tune in a weather fax frequency, and watch the images come in.
- iPhone DTMF Decoder- Decode DTMF from your iPhone. Hold your smartphone close to a DTMF source and this app will decode the numbers being dialled.[ Hits: 300 | Votes: 1 | Rating: 10 ]
- iSDR- iSDR is a software defined radio application compatible with the Apple iPhone, iPod touch and iPad. iSDR is designed for experimenters, shortwave listeners, and amateur radio enthusiasts who would like a truly portable software-defined radio receiver.
- Mircules HAM QuickLog- Mircules HAM QuickLog is HAM radio logging software for the iPad, for quick and easy HAM Logging.[ Hits: 284 | Votes: 1 | Rating: 9 ]
- MorseDecoder- HotPaw MorseDecoder for iPhone and iPad. Translates sounds from mic to text. Includes a DSP narrow band filter.
- My LoTW- My LoTW is a free viewer app for Logbook of the World by ARRL. Features include, View all the QSOs you have submitted to LoTW, Add multiple callsigns under your LoTW account, View all your QSLs, Share digital QSL image which is created by the app for QSLs. Either save it on your device or share it on facebook, View statistics for your worked stations/DXCC/bands etc[ Hits: 248 | Votes: 1 | Rating: 10 ]
- PocketPacket Mac OS- PocketPacket started as an APRS client for iPhone/iPod Touch/iPad devices, but is also available for the Mac desktop or laptop. PocketPacket incorporates a software-based TNC, allowing you to directly capture and visualize, or encode and transmit 1200 baud packets (AFSK modulation) using a VHF radio transceiver.
- PocketSat - Handheld Satellite Tracking- PocketSat3 satellite tracking software for iPhone, iPad, and Android devices[ Hits: 1219 | Votes: 2 | Rating: 2 ]
- QRZ.com iOS App- QRZ.com Free app for iPhone iPad let you search the QRZ.COM call sign database from your mobile device. Completely free with no subscription required.
- QSL.FM for iPhone- Simply visit QSL.FM from your mobile browser, and you'll be redirected automatically to a crisp, fast, and useful callsign and repeater search tool![ Hits: 424 | Votes: 3 | Rating: 10 ]
- RepeaterBook- A free repeater database app for iPhone and iPad includes repeaters from 35 different countries and is available in 5 languages
- RUMlog2Go- Amateur radio log book for iOS devices, including iPad and iPhone. Featuring several advanced logging functions, including export to ADIF, DX Cluster access, LoTW eQSL interface and more[ Hits: 546 | Votes: 1 | Rating: 10 ]
- SSTV for iOS- Decode Slow Scan TV (SSTV) on your iPad, iPhone and iPod Touch by Blackcatsystems
- UK Repeaters for iPhone- UK Repeaters is an iPhone app that shows all UK Based repeaters on a map. Each repeater information is shown to allow easy access and programming of your radio[ Hits: 687 | Votes: 3 | Rating: 6.33 ]
- VoxRecorder for iPhone- Vox recorder is activated by voice and sounds exceeding a threshold.It saves for every record a .caf file that you can play, delete or send by email.Useful for surveillance records, hamradio scanners, and many many other applications.You'll be surprised to hear what happens in an all night using Vox recorder.
- WaveGuide- Real-time HF propagation conditions for iOS.WaveGuide ia a ham radio utility for determining HF propagation conditions at the touch of a finger.[ Hits: 757 | Votes: 0 | Rating: 0 ]
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Back in 2016, we wrote one of our most popular posts covering 12 popular Software Defined Radios or SDRs. While the previous post still holds some extremely valuable information, a lot has changed in 3 years... especially the technology related to SDRs. So we thought it was time for an update.
Like last time, we tried to include as much diversity in terms of prices, applications, frequencies, and ease of use. Our hope is the perfect software defined radio for your application is on this list.
Without further ado, here are 10 great Software Defined Radios available in 2020 to take your electronic designs further:
**Disclosure: This post contains affiliate links at no addionional cost to you.
**Product Images and descriptions from product websites
1. HackRF One Software Defined Radio (SDR), ANT500 & SMA Antenna Adapter Bundle
HackRF One from Great Scott Gadgets is a Software Defined Radio peripheral capable of transmission or reception of radio signals from 1 MHz to 6 GHz. Designed to enable test and development of modern and next generation radio technologies, HackRF One is an open source hardware platform that can be used as a USB peripheral or programmed for stand-alone operation.
● 1 MHz to 6 GHz operating frequency
● half-duplex SDR transceiver
● up to 20 million samples per second
● 8-bit quadrature samples (8-bit I and 8-bit Q)
● compatible with GNU Radio, SDR#, and more
● software-configurable RX and TX gain and baseband filter
● software-controlled antenna port power (50 mA at 3.3 V)
● SMA female antenna connector
● SMA female clock input and output for synchronization
● convenient buttons for programming
● internal pin headers for expansion
● Hi-Speed USB 2.0
● USB-powered
● open source hardware
2. Ubertooth One SDR
The Ubertooth One is an open source 2.4 GHz wireless development platform suitable for Bluetooth experimentation. One thing that sets the Ubertooth apart from other Bluetooth development platforms is that it’s capable of not only sending and receiving 2.4 GHz signals, but can also operate in monitor mode, monitoring Bluetooth traffic in real-time. This operating mode of the Ubertooth One has been present in low-cost WiFi modules for years and has found myriad uses in research, development and security auditing but no such solution existed for the Bluetooth standard until now. Also, because it’s a fully open-source platform (software and hardware), the schematics and code are readily available for all of your hacking needs.
3. YARD Stick One USB Transceiver & 915MHz Antenna
YARD (Yet Another Radio Dongle) Stick One can transmit or receive digital wireless signals at frequencies below 1 GHz. It uses the same radio circuit as the popular IM-Me. The radio functions that are possible by customizing IM-Me firmware are now at your fingertips when you attach YARD Stick One to a computer via USB.
Capabilities:
● half-duplex transmit and receive
● official operating frequencies: 300-348 MHz, 391-464 MHz, and 782-928 MHz
● unofficial operating frequencies: 281-361 MHz, 378-481 MHz, and 749-962 MHz
● modulations: ASK, OOK, GFSK, 2-FSK, 4-FSK, MSK
● data rates up to 500 kbps
● Full-Speed USB 2.0
YARD Stick One comes with RfCat firmware installed, courtesy of atlas. RfCat allows you to control the wireless transceiver from an interactive Python shell or your own program running on your computer. YARD Stick One also has CC Bootloader installed, so you can upgrade RFCat or install your own firmware without any additional programming hardware. An antenna is not included. ANT500 is recommended as a starter antenna for YARD Stick One.
4. Seeedstudio KiwiSDR Kit Software Defined Radio with BeagleBone Green
KiwiSDR is a software-defined radio (SDR) covering shortwave, the longwave & AM broadcast bands, various utility stations, and amateur radio transmissions, world-wide, in the spectrum from 10 kHz to 30 MHz. The KiwiSDR is a custom circuit board (cape) you connect to the BeagleBone GreenorBeagleBone Black computer. You simply add an antenna, power supply and network connection. Software supplied on a micro-SD card.
An HTML5-capable browser and internet connection will let you listen to a public KiwiSDR anywhere in the world. Up to four people can listen simultaneously to one radio — each listener tunes independently.
Features:
● Browser-based interface four simultaneous user connections.
● Each connection tunes an independent receiver channel over the entire spectrum.
● Waterfall tunes independently of audio and includes zooming and panning.
● Multi-channel, parallel DDC design using bit-width optimized CIC filters.
● Good performance at VLF/LF since we personally spend time monitoring those frequencies.
● Automatic frequency calibration via received GPS timing.
● Extension interface for adding decoders and utilities.
5. NESDR Mini 2+ 0.5PPM TCXO RTL-SDR & ADS-B USB Receiver Set w/ Antenna
The NESDR Mini 2+ is tuned for SDR usage, including a high-accuracy, Japanese fabricated, GPS-rated 0.5PPM TCXO crystal; re-designed RF-suitable power supply; and improved capacitors and inductors compared to generic devices. Power consumption has been reduced while improving sensitivity and lowering the noise floor.
A high quality telescopic antenna and strong magnetic suction mount base included free of charge in order to facilitate a wide variety of antenna mounting options. A free female SMA adapter is also included at no cost for those looking to connect SMA antennas to the NESDR Mini 2+.
The perfect device for learning software defined radio, on the cheap. Amateur radio, ADS-B, police & fire scanning, trunking, satellite images--you name it, this little guy can probably do it. Outperforms many devices 10x its cost!
6. NESDR Nano 2+ Tiny Black RTL-SDR USB Set
Brand new design! The NESDR Nano 2+ are custom-made by NooElec for SDR applications. The enclosure was also re-designed to assist in maintaining lower temperatures than the previous generation.
The tiny size and 24/7 capability makes the Nano 2+ perfect for embedded applications! How small? Just 24mm x 21mm x 8mm (15/16' x 13/16' x 5/16')!
The Nano 2+ contains a new custom TCXO fabricated exclusively for NooElec. Important TCXO specifications: Frequency stability: 0.5PPM (max) Phase noise @1kHz offset: -138dBc/Hz (or better) Phase noise @10kHz: -150dBc/Hz (or better) Phase noise @100kHz: -152dBc/Hz (or better) This is, by far, the highest performance TCXO available in any low-cost SDR.
Full compatibility with a wide variety of popular SDR software packages, such as Matlab, HDSDR, SDR Touch, Planeplotter, SDR#--too many to list, really. We're talking Windows, Mac, Linux, Android, Raspberry Pi...you'd be hard pressed to find somewhere you can't use these!
7. RTL-SDR Blog R820T2 RTL2832U 1PPM TCXO SMA Software Defined Radio
This is an RTL-SDR software defined radio receiver with RTL2832U ADC chip, 1PPM TCXO, SMA F connector, R820T2 tuner and aluminium case with passive cooling. Tunes from 500 kHz to 1.7 GHz with up to 3.2 MHz (2.4 MHz stable) of instantaneous bandwidth. (HF mode works in direct sampling mode - V3 models and above only). Perfect for use as a computer based radio scanner with free software like SDR#, HDSDR, SDR-Radio, Linrad, GQRX or SDR Touch on Android. Works on Windows, MacOS, Linux, Android and even embedded Linux computers like the Raspberry Pi.
Great for many applications including general radio scanning, air traffic control, public safety radio, ADS-B aircraft radar, AIS boat radar, ACARS, trunked radio, P25/MotoTRBO digital voice, POCSAG, weather balloons, APRS, NOAA APT weather satellites, Meteor M2 satellites, radio astronomy, meteor scatter monitoring, DAB, or for use as a low cost panadapter with a traditional ham radio.
This model has several improvements over other models. It uses the improved R820T2 tuner, comes with a 1PPM TCXO (no drift and accurate tuning with a 2 PPM initial offset and 1 PPM temperature drift), improved component tolerances, redesigned PCB, cooling improvements, extra ESD protection and an SMA F connector. It also comes with a software activatable bias-tee circuit for powering external devices such as LNA's and active antennas.
8. Ham It Up v1.3 - NooElec RF Upconverter For Software Defined Radio
While not a stand-alone SDR, this one made our list anyways. The Ham It Up Upconverter works with the most common SDR platforms to create a HAM radio.Ham/amateur radio enthusiasts, rejoice! Our MF/HF converter for software defined radio will allow you to listen to MF and HF through your existing software defined radio (SDR).
Software Defined Radio App For Mac Windows 10
Improvements include increased sensitivity, ultra-low voltage noise floor, optional battery-powered operation, side-mounted LED indicators, fully-assembled broadband RF noise-source circuit, u.fl socket for optional external clock injection, surface-mount high-accuracy oscillator and much, much more!
9. NESDR Nano 3 OTG - Premium Tiny RTL-SDR Bundle
The NESDR Nano 3 USB OTG bundle includes everything you need to get started with mobile SDR with your existing USB On-The-Go compatible device! The NESDR Nano 3 is compatible with most host devices, including Windows, Mac OS X, Linux, Android and Raspberry Pi.
NESDR Nano 3 quick specs: tuning range 25MHz-1700MHz, tuning accuracy 0.5PPM, aluminum enclosure, MCX & SMA antenna input.
Included:
● NESDR Nano 3 Software Defined Radio (RTL-SDR) installed inside an aluminum enclosure● Nano-sized antenna
● Nano-sized USB OTG adapter
●
Software Defined Radio App For Mac Windows 7
USB OTG Y-adapter● USB OTG cable
● USB OTG Y-cable
● Right-angle SMA female antenna adapter
● SDR heatsink (optional)
The included accessories allow for a wide variety of installation and configuration options. The included Y-cable and Y-adapter will allow for an auxiliary power source to be connected (USB charger or additional battery) to provide power to the SDR and prolong the battery life of your host phone or tablet. The nano-sized USB OTG adapter & antenna allows for the smallest possible installation footprint of any SDR available anywhere.
10. NESDR SMArt HF Bundle: 100kHz-1.7GHz Software Defined Radio
A full, wide-band RF solution for those interested in getting started with software defined radio and with a keen interest in HF bands.
The NESDR SMArt HF Bundle utilizes a well-designed upconverter--the Ham It Up--to receive HF, NOT direct sampling hacks. This results in a vastly different HF experience--much better performance, and no loss of gain controls.
Included is a Ham It Up v1.3 upconverter, installed in a custom black aluminum enclosure; an NESDR SMArt RTL-SDR, 3 antennas, an impedance matching balun for longwire and dipole antennas, and interconnect adapters.
Full Disclosure: Some of the links above are affiliate links, meaning, at no additional cost to you, we will earn a small commission in you click through and make a purchase.