---
title: "Sdr — £101K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/business-industry-science/sdr"
last_updated: "2026-07-31T20:42:20.864Z"
locale: en
meta:
description: "Niche score 36/100 · £101K/yr market · 89K searches/yr · £82.36 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 36/100 · £101K/yr market · 89K searches/yr · £82.36 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Sdr — £101K/yr Amazon UK Niche (2026) - Flapen"
---
# **sdr**
**Skip it**
Soft demand (-17.4% this quarter) — this niche doesn't clear our bar today.
Market size 25Growth 16Conversion 17Competition 28Returns 39Price range 28Avg price 81Brand share 23Review moat 74Quality gap 83
**Quality gap**
**Great****4.2★**
avg incumbent rating — lower means beatable quality
**Avg price**
**Great****£82.36**
avg listing price — sweet spot $15–$100
**Review moat**
**Good****545.81**
avg incumbent reviews — the moat a new listing must climb
**Returns**
**Okay****3.9%**
return rate — above 5% kills the launch gate
**Competition**
**Okay****68%**
top-5 click share — leaders hold, buyers still browse
**Price range**
**Okay****£14.88–£323.83**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Market size**
**Okay****£101K**
£101K/yr · 89K searches
**Brand share**
**Bad****91%**
top-5 brand share — brand-locked demand
**Conversion**
**Bad****1.4%**
search→purchase rate — share of searches ending in a sale
**Growth**
**Bad****-17.4%**
90-day search growth — must beat 0% to launch
**Signals**[** High Price**](https://flapen.com/research/niches?market=uk&signal=high_price "Avg price > $50")
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 ~~](https://flapen.com/research/methodology)
## **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.
3K2KSpike '24Holiday '24Prime Day '25Spike '25Black Friday '25Spike '26 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.5×
[**Open Trend **](https://flapen.com/research/uk/business-industry-science/sdr/trend)
## **Top sdr search terms**
- **sdr radio receiver**26K/yr-31.8%0.4% conv. - **sdr**21K/yr-12.6%0.6% conv. - **rtl sdr**14K/yr-6.9%1.3% conv. - **sdr radio**8K/yr-22.1%0.1% conv. - **sdr dongle**6K/yr-4.8%1.7% conv. - **rtl sdr v4**5K/yr-13.9%3.0% conv. - **rtl-sdr**4K/yr+7.3%1.5% conv. - **software defined radio**3K/yr-16.3%0.0% conv. - **rtl2832u**3K/yr-15.2%0.3% conv. [**All search terms **](https://flapen.com/research/uk/business-industry-science/sdr/search-terms)
## **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.
0%5%£5K10%£10K15%£15K20%£20K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)2 products missing review or click data not plotted
All 21 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**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**£27.01**4.5★2,799 rev](https://www.amazon.co.uk/dp/B01HA642SW) [2**RTL-SDR Blog V4 R828D RTL2832U 1PPM TCXO SMA Software Defined Radio (Dongle Only)**RTL-SDR Blog**£44.82**4.4★936 rev](https://www.amazon.co.uk/dp/B0CD745394) [3**RTL-SDR Blog V4 R828D RTL2832U 1PPM TCXO HF Bias Tee SMA Software Defined Radio with Dipole Antenna Kit**RTL-SDR Blog**£58.34**4.4★1,495 rev](https://www.amazon.co.uk/dp/B0CD7558GT) [4**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**£100.99**3.3★12 rev](https://www.amazon.co.uk/dp/B0CRBDJGJV) [5**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**£91.09**4.2★957 rev](https://www.amazon.co.uk/dp/B0747PX3NZ)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**YEHEI FC0012 Tuner Equipped SDR Software-Defined Radio Receiver V2 RTL2832U 22-948.6MHz Band**YEHEI**£18.87**0 rev4mo ago](https://www.amazon.co.uk/dp/B0GQ336138) [**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**£323.83**0 rev6mo ago](https://www.amazon.co.uk/dp/B0GD25262L) [**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**£47.90**2 rev7mo ago](https://www.amazon.co.uk/dp/B0G71HHZXK) [**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**£35.57**25 rev11mo ago](https://www.amazon.co.uk/dp/B0FK4JQ53Q) [**Stroagymoon USB2.0 Digital DVB-T SDR++FM TV Tuner Receiver SDR RTL2832U+ FC0012**Stroagymoon**£14.88**3 rev2y ago](https://www.amazon.co.uk/dp/B0D8B1BKX3)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**YEHEI FC0012 Tuner Equipped SDR Software-Defined Radio Receiver V2 RTL2832U 22-948.6MHz Band**YEHEI**£18.87**0.0★**▲ 357%**](https://www.amazon.co.uk/dp/B0GQ336138) [**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**£323.83**0.0★**▲ 166%**](https://www.amazon.co.uk/dp/B0GD25262L) [**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**£35.57**4.3★**▲ 118%**](https://www.amazon.co.uk/dp/B0FK4JQ53Q) [**RTL-SDR Blog Multipurpose Dipole Antenna Kit**RTL-SDR Blog**£23.03**4.4★**▲ 113%**](https://www.amazon.co.uk/dp/B075445JDF) [**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**£47.90**5.0★**▲ 109%**](https://www.amazon.co.uk/dp/B0G71HHZXK)
**~~View all trending →~~**
## **What buyers say about sdr**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Value For Money**26%
*“Worth the money”*
**Assembly/Installation**12%
*“Good if you know how to install”*
**Quality-Overall**10%
*“Build quality is really good”*
**Signal Strength**10%
*“Got quite good coverage with supplied antenna”*
**Compatibility-Overall**6%
*“Compatible with most SDR software”*
**Functionality-Overall**5%
*“they work”*
**Advertised Vs Actual Product**5%
*“As described worked great”*
**Ease Of Use**4%
*“easy to use”*
**Portability**3%
*“Probably my favorite gadget of all time”*
**Heating**2%
*“It does warm mind you so careful where you leave it”*
### **What buyers complain about **
**Signal Strength**14%
*“Needs a better antenna for best results”*
**Quality-Overall**12%
*“terrible everywhere else”*
**Software/Application**8%
*“Could not download software contacted the makers”*
**Compatibility-Overall**8%
*“Old and incompatible”*
**Ease Of Use**8%
*“Been struggling to get it to work”*
**Audio Quality**4%
*“are complicated to get it to sound right”*
**Functionality-Overall**4%
*“Didn't work for me”*
**Durability**3%
*“My previous earlier model SMArt lasted more than 7 years - the V5 lasted only a year”*
**Instructions/User Manual/Troubleshooting**3%
*“Great radio, dodgy instruction leaflet”*
**Connectivity-Overall**3%
*“became intermittent and plugging in/out any other USB device disconnected the NESDR”*
### **Top return reasons **
**Functionality-Overall**21%
**Compatibility-Overall**16%
**Signal Strength**9%
**Defective Material/Parts**9%
**Software/Application**7%
**Connectivity-Overall**5%
**Heating**4%
**Range**4%
**Durability**2%
**Value For Money**2%
## **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.
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