---
title: "Lmr400 Coaxial Cable — $154K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/electronics/lmr400-coaxial-cable"
last_updated: "2026-08-07T12:12:55.513Z"
locale: en
meta:
description: "Niche score 37/100 · $154K/yr market · 89K searches/yr · $99.90 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 37/100 · $154K/yr market · 89K searches/yr · $99.90 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Lmr400 Coaxial Cable — $154K/yr Amazon US Niche (2026) - Flapen"
---
# **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**
**Great****371**
avg incumbent reviews — the moat a new listing must climb
**Avg price**
**Great****$99.90**
avg listing price — sweet spot $15–$100
**Returns**
**Good****2.2%**
return rate — above 5% kills the launch gate
**Competition**
**Good****52%**
top-5 click share — leaders hold, buyers still browse
**Market size**
**Okay****$154K**
$154K/yr · 89K searches
**Conversion**
**Bad****1.7%**
search→purchase rate — share of searches ending in a sale
**Quality gap**
**Bad****4.7★**
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**
**Bad****94%**
top-5 brand share — brand-locked demand
**Signals**[** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50")
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 ~~](https://flapen.com/research/methodology)
## **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 '25 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.5×
[**Open Trend **](https://flapen.com/research/us/electronics/lmr400-coaxial-cable/trend)
## **Top lmr400 coaxial cable search terms**
- **lmr400 coaxial cable**29K/yr-8.3%1.6% conv. - **lmr400**14K/yr-3.9%1.4% conv. - **lmr 400 coax cable**12K/yr-22.6%1.4% conv. - **lmr-400**6K/yr+2.3%1.1% conv. - **lmr 400**8K/yr-6.3%1.1% conv. - **lmr-400 coaxial cable**5K/yr+1.7%1.2% conv. - **kmr400**3K/yr+12.2%2.5% conv. - **lmr 400 coax**3K/yr-23.5%1.3% conv. - **lmr400 cable**2K/yr-5.7%0.2% conv. - **kmr400 coaxial cable**3K/yr-59.0%4.5% conv. [**All search terms **](https://flapen.com/research/us/electronics/lmr400-coaxial-cable/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 moatMarket 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.
### **Top sellers**
by 90-day click share
[1**MOOKEERF 50ft KMR400 PL259 Male to Male Coaxial Cable - Low Loss UHF Cable for HAM Radio VHF Radio SWR Meter Antenna Analyzer**MOOKEERF**$50.99**4.7★723 rev](https://www.amazon.com/dp/B0BMPTW6P5) [2**STEREN RG8X Coaxial Cable 50 ft CB Coax Cable with PL259 UHF Connectors Male to Male Low Loss 50 Ohm for HAM Radio LMR400 Antenna Analyzer**STEREN**$36.42**4.7★2,343 rev](https://www.amazon.com/dp/B004EFNHXE) [3**MOOKEERF 100ft KMR400 PL259 Male to Male Coaxial Cable - Low Loss UHF Cable for HAM VHF Radio SWR Meter Antenna Analyzer**MOOKEERF**$89.13**4.7★723 rev](https://www.amazon.com/dp/B09JKF5SVH) [4**Cable Assemblies Now - Times Microwave Low Loss Coaxial Cable - LMR-400/LMR400 - UHF-Male to UHF-Male Connectors - 50 Feet**Cable Assemblies Now**$99.50**4.8★52 rev](https://www.amazon.com/dp/B08FPJ4PQV) [5**Bolton400 Coaxial Cable 100ft Black N Male to N Male - LMR400 Equivalent**Bolton Technical**$116.13**4.5★190 rev](https://www.amazon.com/dp/B0752WMFS2)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Bolton400 Coaxial Cable (50 ft) with PL-259 Male-to-Male Connectors - LMR400 Spec 50 Ohm Low-Loss RF & Antenna Coax Cable for Ham Radio VHF/UHF RF Systems - Black**Bolton Technical**$59.67**44 rev6mo ago](https://www.amazon.com/dp/B0GFH5XWTD) [**Bolton400 Coaxial Cable (100 ft) with PL-259 Male-to-Male Connectors - LMR400 Spec 50 Ohm Low-Loss RF & Antenna Coax Cable for Ham Radio VHF/UHF RF Systems - Black**Bolton Technical**$118.57**44 rev6mo ago](https://www.amazon.com/dp/B0GFGT3VJW) [**Bolton400 Coaxial Cable (25 ft) with PL-259 Male-to-Male Connectors - LMR400 Spec 50 Ohm Low-Loss RF & Antenna Coax Cable for Ham Radio VHF/UHF RF Systems - Black**Bolton Technical**$38.70**44 rev6mo ago](https://www.amazon.com/dp/B0GFH4726D) [**Bolton400 Coaxial Cable (75 ft) with PL-259 Male-to-Male Connectors - LMR400 Spec 50 Ohm Low-Loss RF & Antenna Coax Cable for Ham Radio VHF/UHF RF Systems - Black**Bolton Technical**$79.30**44 rev6mo ago](https://www.amazon.com/dp/B0GFH45F92) [**MOOKEERF KMR400 Coaxial Cable 200ft 50 ohm Low Loss KMR400 Cable 200 Feet**MOOKEERF**$121.81**77 rev1y ago](https://www.amazon.com/dp/B0DNW4QJJ9)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Bolton400 Coaxial Cable (100 ft) with PL-259 Male-to-Male Connectors - LMR400 Spec 50 Ohm Low-Loss RF & Antenna Coax Cable for Ham Radio VHF/UHF RF Systems - Black**Bolton Technical**$118.57**4.6★**▲ 261%**](https://www.amazon.com/dp/B0GFGT3VJW) [**Bolton400 Coaxial Cable (75 ft) with PL-259 Male-to-Male Connectors - LMR400 Spec 50 Ohm Low-Loss RF & Antenna Coax Cable for Ham Radio VHF/UHF RF Systems - Black**Bolton Technical**$79.30**4.6★**▲ 167%**](https://www.amazon.com/dp/B0GFH45F92) [**Bolton400 Coaxial Cable (25 ft) with PL-259 Male-to-Male Connectors - LMR400 Spec 50 Ohm Low-Loss RF & Antenna Coax Cable for Ham Radio VHF/UHF RF Systems - Black**Bolton Technical**$38.70**4.6★**▲ 142%**](https://www.amazon.com/dp/B0GFH4726D) [**Bolton400 Coaxial Cable (50 ft) with PL-259 Male-to-Male Connectors - LMR400 Spec 50 Ohm Low-Loss RF & Antenna Coax Cable for Ham Radio VHF/UHF RF Systems - Black**Bolton Technical**$59.67**4.6★**▲ 132%**](https://www.amazon.com/dp/B0GFH5XWTD) [**Cable Assemblies Now LMR-400 Times Microwave Low Loss Coaxial Cable - UHF-Male to UHF-Male - 6 Feet**Cable Assemblies Now**$29.28**4.8★**▲ 41%**](https://www.amazon.com/dp/B08WM48DT7)
**~~View all trending →~~**
## **What buyers say about lmr400 coaxial cable**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**18%
*“Good quality cable”*
**Signal Strength**14%
*“the LMR400 specification really helped maintain signal strength over longer distances”*
**Value For Money**13%
*“it's a great value for what you get”*
**Durability**8%
*“feels very durable”*
**Advertised Vs Actual Product**5%
*“they perform as advertised”*
**Assembly/Installation**5%
*“installation is straightforward”*
**Flexibility**4%
*“Net very flexible”*
**Connectivity-Overall**4%
*“Good coaxial SWR look real good on it”*
**Thickness**3%
*“It is thick very well-made”*
**Size-Overall**3%
*“fits”*
### **What buyers complain about **
**Flexibility**20%
*“I noticed that the cable is fairly rigid”*
**Advertised Vs Actual Product**12%
*“Deceptive Description”*
**Strength**3%
*“The cable was a bit stiff”*
**Audio Quality**2%
*“Lot of static on radio”*
**Socket/Port/Plug**2%
*“Either the connectors were bad”*
**Thickness**2%
*“The coax is pretty thick and fairly stiff,”*
**Functionality-Overall**2%
*“Does NOT work as Advertised”*
**Quality-Overall**2%
*“JUNK”*
**Durability**2%
*“This has me concerned about the longevity”*
**Rope/Wire Tangling**1%
*“The pins crimp and/or solder inside the connector”*
### **Top return reasons **
**Compatibility-Overall**27%
**Socket/Port/Plug**13%
**Size-Overall**12%
**Advertised Vs Actual Product**11%
**Connectivity-Overall**8%
**Flexibility**5%
**Defective Material/Parts**4%
**Signal Strength**4%
**Functionality-Overall**4%
**Length**3%
## **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.
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