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lmr400 coaxial cable

Skip it

Brand-locked demand (top 5 brands take 94% of clicks) — this niche doesn't clear our bar today.

Market size 33Growth 20Conversion 22Competition 55Returns 70Price range 16Avg price 75Brand share 15Review moat 81Quality gap 21

Review moat

Great371

avg incumbent reviews — the moat a new listing must climb

Avg price

Great$99.90

avg listing price — sweet spot $15–$100

Returns

Good2.2%

return rate — above 5% kills the launch gate

Competition

Good52%

top-5 click share — leaders hold, buyers still browse

Market size

Okay$154K

$154K/yr · 89K searches

Conversion

Bad1.7%

search→purchase rate — share of searches ending in a sale

Quality gap

Bad4.7★

avg incumbent rating — lower means beatable quality

Growth

Bad-10.9%

90-day search growth — must beat 0% to launch

Price range

Bad$23.34–$517.64

cheapest to priciest tracked listing — scored on the share inside $15–$100

Brand share

Bad94%

top-5 brand share — brand-locked demand

According to Flapen's Amazon United States niche tracking, lmr400 coaxial cable is a $154K/yr Amazon United States market (89K searches/yr). The top 5 brands hold 94% of demand. Verdict: Skip it — 37/100.

Data updated Jul 22, 2026 · scored weekly · How we score niches

lmr400 coaxial cable market data

Units sold / yr
2K–2K
avg 0–100/product
Revenue / yr
$150K–$200K
units × avg price
Conversion rate
1.7%
Avg BSR
#210
Page quality
0%
Prime
100%
Sponsored
79%
Out of stock
0.0%
Avg brand age
79 months
Avg seller age
200 days

Competition & brand share

The top 5 products take 52% of clicks — established leaders, but buyers still shop beyond them.

Brands

7 falling

Sellers

10

Top-5 brand share

94%

Top 20: 100%

Top-5 click share

52%

Top 20: 97%

Open market

1%

  • MOOKEERF37%
  • Bolton Technical26%
  • Cable Assemblies Now11%
  • STEREN11%
  • MPD Digital8%
  • XRDS -RF5%
  • Open — no brand owns it (1 brand, 1%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -10.9% search growth over the last 90 days.
2K2KPrime Day '25Spike '25Black Friday '25SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.5×

Top lmr400 coaxial cable search terms

  • lmr400 coaxial cable29K/yr
  • lmr40014K/yr
  • lmr 400 coax cable12K/yr
  • lmr-4006K/yr
  • lmr 4008K/yr
  • lmr-400 coaxial cable5K/yr
  • kmr4003K/yr
  • lmr 400 coax3K/yr
  • lmr400 cable2K/yr
  • kmr400 coaxial cable3K/yr
All search terms

Top lmr400 coaxial cable 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%$8K10%$15K15%$23K20%$31K1101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 24 tracked products in this niche — three views at once, no toggling.

What buyers say about lmr400 coaxial cable

What buyers praise and complain about, mined from review topics.

What buyers love

Quality-Overall18%

“Good quality cable”

Signal Strength14%

“the LMR400 specification really helped maintain signal strength over longer distances”

Value For Money13%

“it's a great value for what you get”

Durability8%

“feels very durable”

Advertised Vs Actual Product5%

“they perform as advertised”

Assembly/Installation5%

“installation is straightforward”

Flexibility4%

“Net very flexible”

Connectivity-Overall4%

“Good coaxial SWR look real good on it”

Thickness3%

“It is thick very well-made”

Size-Overall3%

“fits”

What buyers complain about

Flexibility20%

“I noticed that the cable is fairly rigid”

Advertised Vs Actual Product12%

“Deceptive Description”

Strength3%

“The cable was a bit stiff”

Audio Quality2%

“Lot of static on radio”

Socket/Port/Plug2%

“Either the connectors were bad”

Thickness2%

“The coax is pretty thick and fairly stiff,”

Functionality-Overall2%

“Does NOT work as Advertised”

Quality-Overall2%

“JUNK”

Durability2%

“This has me concerned about the longevity”

Rope/Wire Tangling1%

“The pins crimp and/or solder inside the connector”

Top return reasons

Compatibility-Overall27%
Socket/Port/Plug13%
Size-Overall12%
Advertised Vs Actual Product11%
Connectivity-Overall8%
Flexibility5%
Defective Material/Parts4%
Signal Strength4%
Functionality-Overall4%
Length3%

Common questions

Is lmr400 coaxial cable profitable to sell on Amazon United States?
The niche generates $154K/yr across 24 tracked products. 2 of 4 products launched in the last 360 days are still selling. 90-day search growth is -10.9%. Flapen's verdict: Skip it (37/100).
How competitive is the lmr400 coaxial cable niche?
7 brands and 10 sellers compete. The top 5 products take 52% of clicks and top 5 brands hold 94% of demand.
What do buyers complain about in lmr400 coaxial cable?
Top complaints mined from reviews: Flexibility, Advertised Vs Actual Product, Strength. The return rate is 2.2%.
When does demand for lmr400 coaxial cable peak?
Demand is steady year-round — the busiest month runs 1.5× the quietest.
What does it cost to enter the lmr400 coaxial cable niche?
Listings span $23.34–$517.64; the average listing price is $99.90 (sweet spot $15–$100). The average incumbent carries 371 reviews — the moat a new listing must climb.