sdr
Skip itSoft demand (-17.4% this quarter) — this niche doesn't clear our bar today.
Quality gap
Great4.2★avg incumbent rating — lower means beatable quality
Avg price
Great£82.36avg listing price — sweet spot $15–$100
Review moat
Good545.81avg incumbent reviews — the moat a new listing must climb
Returns
Okay3.9%return rate — above 5% kills the launch gate
Competition
Okay68%top-5 click share — leaders hold, buyers still browse
Price range
Okay£14.88–£323.83cheapest to priciest tracked listing — scored on the share inside $15–$100
Market size
Okay£101K£101K/yr · 89K searches
Brand share
Bad91%top-5 brand share — brand-locked demand
Conversion
Bad1.4%search→purchase rate — share of searches ending in a sale
Growth
Bad-17.4%90-day search growth — must beat 0% to launch
According to Flapen's Amazon United Kingdom niche tracking, sdr is a £101K/yr Amazon United Kingdom market (89K searches/yr). The top 5 brands hold 91% of demand. Verdict: Skip it — 36/100.
Data updated Jul 21, 2026 · scored weekly · How we score niches
sdr market data
- Units sold / yr
- 1K–2K
- avg 0–100/product
- Revenue / yr
- £103K–£124K
- units × avg price
- Conversion rate
- 1.4%
- Avg BSR
- #148
- Page quality
- 0%
- Prime
- 90%
- Sponsored
- 62%
- Out of stock
- 5.6%
- Avg brand age
- 39 months
- Avg seller age
- 224 days
Competition & brand share
The top 5 products take 68% of clicks — established leaders, but buyers still shop beyond them.Brands
11 falling
Sellers
30
Top-5 brand share
91%
Top 20: 100%
Top-5 click share
68%
Top 20: 99%
Open market
7%
- NooElec39%
- RTL-SDR Blog38%
- TARSHYRY8%
- AURSINC3%
- Dropfree3%
- HanOaki2%
- Open — no brand owns it (5 brands, 7%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -17.4% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.5×
Top sdr search terms
- sdr radio receiver26K/yr
- sdr21K/yr
- rtl sdr14K/yr
- sdr radio8K/yr
- sdr dongle6K/yr
- rtl sdr v45K/yr
- rtl-sdr4K/yr
- software defined radio3K/yr
- rtl2832u3K/yr
Top sdr products on Amazon
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 21 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Nooelec RTL-SDR v5 SDR - NESDR SMArt HF/VHF/UHF (100kHz-1.75GHz) Software Defined Radio. Premium RTLSDR w/ 0.5PPM TCXO SMA Input & Aluminum Enclosure. RTL2832U & R820T2 (R860)-Based Radio
NooElec£27.014.5★2,799 rev

RTL-SDR Blog V4 R828D RTL2832U 1PPM TCXO SMA Software Defined Radio (Dongle Only)
RTL-SDR Blog£44.824.4★936 rev

RTL-SDR Blog V4 R828D RTL2832U 1PPM TCXO HF Bias Tee SMA Software Defined Radio with Dipole Antenna Kit
RTL-SDR Blog£58.344.4★1,495 rev

Dsp SDR Radio Receiver Dsp Digital Demodulation Receiver Portable Shortwave Radio 4.3 Inch Touch Screen 100KHz To 149MHz FM MW SSB CW HAM Shortwave Radio Receiver
TARSHYRY£100.993.3★12 rev

NooElec NESDR SMArt HF Bundle: 100kHz-1.7GHz Software Defined Radio Set for HF/UHF/VHF including RTL-SDR Assembled Ham It Up Upconverter Balun Adapters & Cables
NooElec£91.094.2★957 rev
Newest
by launch date
YEHEI FC0012 Tuner Equipped SDR Software-Defined Radio Receiver V2 RTL2832U 22-948.6MHz Band
YEHEI£18.870 rev

For Malachite DSP2 SDR Radio Receiver 10kHz-2GHz - 5000mAh/3.5inch Touchscreen Full Band Receiver with AM SSB DSB CW NFM WFM Portable Shortwave Radio Receiver With Firmware 2.50
Generic£323.830 rev

HanOaki Software Defined Radio SDR-V6 with 1.10d Firmware 4.3 IPS Touchscreen 100kHz-149MHz Full-Band Receiver for Amateur Radio Shortwave Monitoring Aviation Bands Black(Silver)
HanOaki£47.902 rev

AURSINC Si4732 ATS Mini Radio V3 Pocket Shortwave Radio Receiver HF SW MW VHF All Band Radio AM/FM/LSB/USB Mode with 800mAh Battery for Outdoor Adventures Travel Daily Use
AURSINC£35.5725 rev

Stroagymoon USB2.0 Digital DVB-T SDR++FM TV Tuner Receiver SDR RTL2832U+ FC0012
Stroagymoon£14.883 rev
Trending
90-day click momentum
YEHEI FC0012 Tuner Equipped SDR Software-Defined Radio Receiver V2 RTL2832U 22-948.6MHz Band
YEHEI£18.870.0★

For Malachite DSP2 SDR Radio Receiver 10kHz-2GHz - 5000mAh/3.5inch Touchscreen Full Band Receiver with AM SSB DSB CW NFM WFM Portable Shortwave Radio Receiver With Firmware 2.50
Generic£323.830.0★

AURSINC Si4732 ATS Mini Radio V3 Pocket Shortwave Radio Receiver HF SW MW VHF All Band Radio AM/FM/LSB/USB Mode with 800mAh Battery for Outdoor Adventures Travel Daily Use
AURSINC£35.574.3★

RTL-SDR Blog Multipurpose Dipole Antenna Kit
RTL-SDR Blog£23.034.4★

HanOaki Software Defined Radio SDR-V6 with 1.10d Firmware 4.3 IPS Touchscreen 100kHz-149MHz Full-Band Receiver for Amateur Radio Shortwave Monitoring Aviation Bands Black(Silver)
HanOaki£47.905.0★
What buyers say about sdr
What buyers praise and complain about, mined from review topics.What buyers love
“Worth the money”
“Good if you know how to install”
“Build quality is really good”
“Got quite good coverage with supplied antenna”
“Compatible with most SDR software”
“they work”
“As described worked great”
“easy to use”
“Probably my favorite gadget of all time”
“It does warm mind you so careful where you leave it”
What buyers complain about
“Needs a better antenna for best results”
“terrible everywhere else”
“Could not download software contacted the makers”
“Old and incompatible”
“Been struggling to get it to work”
“are complicated to get it to sound right”
“Didn't work for me”
“My previous earlier model SMArt lasted more than 7 years - the V5 lasted only a year”
“Great radio, dodgy instruction leaflet”
“became intermittent and plugging in/out any other USB device disconnected the NESDR”
Top return reasons
Common questions
- Is sdr profitable to sell on Amazon United Kingdom?
- The niche generates £101K/yr across 21 tracked products. 0 of 4 products launched in the last 360 days are still selling. 90-day search growth is -17.4%. Flapen's verdict: Skip it (36/100).
- How competitive is the sdr niche?
- 11 brands and 30 sellers compete. The top 5 products take 68% of clicks and top 5 brands hold 91% of demand.
- What do buyers complain about in sdr?
- Top complaints mined from reviews: Signal Strength, Quality-Overall, Software/Application. The return rate is 3.9%.
- When does demand for sdr peak?
- Demand is steady year-round — the busiest month runs 1.5× the quietest.
- What does it cost to enter the sdr niche?
- Listings span £14.88–£323.83; the average listing price is £82.36 (sweet spot $15–$100). The average incumbent carries 546 reviews — the moat a new listing must climb.