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Sdr

Fail

Demand is soft, at -17.4% this quarter, so Sdr is a Fail.

Flapen Score
36
36 / 100
Ranks 689 of 740 Business, Industry & Science niches · −13 vs the category median of 49
Market size
£101K/yr89K searches / yr
90-day growth
-17.4%search demand this quarter
Competition
68%top-5 click share · 11 brands · 30 sellers

Flapen Score

Sdr against its category

The dotted line is the Business, Industry & Science average. Past it, Sdr is stronger. Inside it, weaker.

36Fail
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Sdr market on Amazon at a glance

Shoppers on Amazon United Kingdom searched for Sdr 89K times last year and spent an estimated £101K. The top 5 brands take 91% of clicks. Flapen scores it 36 out of 100, a Fail.

01 · Demand

1.4% of searches ended in a purchase last week.

Shoppers searched for this 89K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. In the latest week, 1.4% of those searches ended in a purchase. Searches in the last 90 days moved -17.4% against the 90 days before. Searches, conversion and average price together put the market at an estimated £101K a year.

Searches, last 12 months
89K
Growth, 90 days vs prior 90
-17.4%
Conversion, latest week
1.4%
Market size, estimated
£101Ka year
Peak month
December1.5× the quietest month
Top search term
sdr radio receiver26K searches a year

02 · Price

A sale here is worth £82.36.

Listings sell for £82.36 on average, from £14.88 to £323.83. Amazon reports units sold in ranges. This niche sold 1K to 2K a year. The average listing sells 0 to 100 of them. At £82.36 that is £0 to £8K a year per listing.

Average price
£82.36inside the $15 to $100 sweet spot
Price range
£14.88–£323.83
Amazon United Kingdom median price
£12.12across 27,606 niches
Units sold a year
1K–2K
Units per listing a year
0–100
Revenue per listing a year
£0–£8K
Returns
3.9%of orders · Amazon United Kingdom median 0.6%

03 · Entry bar

The bar here is low.

62% of listings pay for placement with sponsored ads. 90% ship with Prime. On an average day, 5.6% of listings are out of stock. The average listing ranks #148 within Industrial Electrical. It carries 546 reviews at 4.18 stars, so a new listing needs social proof before a better product.

Sponsored listings
62%
Prime listings
90%
Out of stock, average day
5.6%
Average rank
#148in Industrial Electrical
Average rating
4.18 starsAmazon United Kingdom average 4.36 stars
Average reviews
546per listing
Listings tracked
21

04 · Newcomers

Amazon counts 0 of last year's 4 launches as successful.

4 products launched here in the last 12 months. Amazon counts 0 of them as successful launches, new products that hit its first-year sales bar. The brands on the shelf have sold for 39 months on average, so the names here are settling in.

Launched, last 12 months
4
Successful launches
0Amazon's first-year sales bar
Average brand age
39 months

Products

Top Sdr products & what they sell for

Every tracked product: its share of the shelf, its reviews, and its price.

Competition

Competition: brands, sellers & click share

The top 5 products take 68% of clicks. Leaders hold, but buyers still shop past them.

£0£5K£10K£15K£20K1101001K10K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)2 products missing review or click data not plotted

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

Sdr search demand

Weekly searches over the year, seasonality beneath. Pick a range.

3K2KSpike '24Holiday '24Prime Day '25Spike '25Black Friday '25Spike '26SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.5×

Search terms

Top Sdr search terms shoppers use

The exact words shoppers type, with yearly volume, growth, and conversion.

  • 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

Reviews and returns

What reviews say buyers love and hate about Sdr

What buyers praise, what they complain about and why they send it back, from the reviews.

Complain

Signal Strength14%+0.55

Needs a better antenna for best results

it stays dead-on the frequency the whole time

I couldn't get this to receive anything but the strongest signals. Baffled. Don't know whether this is something wrong with my setup or the Nooelec.

Quality-Overall12%−0.09

terrible everywhere else

Junk

Software/Application8%−0.09

Could not download software contacted the makers

Compatibility-Overall8%−0.05

Old and incompatible

Ease Of Use8%−0.09

Been struggling to get it to work

Love

Value For Money26%+2.46

Worth the money

Great value for money

Excellent price

Assembly/Installation12%+1.03

Good if you know how to install

Very easy setup

Was easy to set up

Quality-Overall10%−0.09

Build quality is really good

the built quality is robust

it feels really premium

Signal Strength10%+0.55

Got quite good coverage with supplied antenna

When set up correctly has very good signal receiving quality

As described worked great with great signal strength from the dipole antenna

Compatibility-Overall6%−0.05

Compatible with most SDR software

Great with ADS-B

seems to work great with a raspberry pi

Return

3.9% Return rate 0% Fixable by listing

Functionality-Overall21%▅▃█▃▄▃

Didn't work for me

Compatibility-Overall16%▅▃▂▃█▃

Old and incompatible

Signal Strength9%▅▄▅█▂▃

Needs a better antenna for best results

it stays dead-on the frequency the whole time

I couldn't get this to receive anything but the strongest signals. Baffled. Don't know whether this is something wrong with my setup or the Nooelec.

Defective Material/Parts9%▂▅▅▆▂█
Software/Application7%█▁▂█▁▁

Could not download software contacted the makers

FAQ

Common Sdr questions

Answered from the same tracked data.