---
title: "Rg8x Coaxial Cable — $106K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/electronics/rg8x-coaxial-cable"
last_updated: "2026-08-11T22:07:33.007Z"
locale: en
meta:
description: "Niche score 48/100 · $106K/yr market · 96K searches/yr · $36.92 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 48/100 · $106K/yr market · 96K searches/yr · $36.92 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Rg8x Coaxial Cable — $106K/yr Amazon US Niche (2026) - Flapen"
---
# **rg8x coaxial cable**
**Skip it**
A small market ($106K/yr) — this niche doesn't clear our bar today.
Market size 26Growth 36Conversion 37Competition 51Returns 84Price range 79Avg price 95Brand share 41Review moat 57Quality gap 37
**Avg price**
**Incredible****$36.92**
avg listing price — sweet spot $15–$100
**Returns**
**Great****1.5%**
return rate — above 5% kills the launch gate
**Price range**
**Great****$13.90–$119.93**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Review moat**
**Good****1,212.35**
avg incumbent reviews — the moat a new listing must climb
**Competition**
**Good****55%**
top-5 click share — leaders hold, buyers still browse
**Brand share**
**Okay****80%**
top-5 brand share — brands hold most of the demand
**Conversion**
**Okay****3.0%**
search→purchase rate — share of searches ending in a sale
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Growth**
**Okay****+8.7%**
90-day search growth — must beat 0% to launch
**Market size**
**Okay****$106K**
$106K/yr · 96K searches
According to Flapen's Amazon United States niche tracking, rg8x coaxial cable is a $106K/yr Amazon United States market (96K searches/yr). The top 5 brands hold 80% of demand. Verdict: Skip it — 48/100.
Data updated Jul 22, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **rg8x coaxial cable market data**
- **Units sold / yr**
- **3K–4K**
- avg 100–250/product
- **Revenue / yr**
- **$111K–$148K**
- units × avg price
- **Conversion rate**
- **3.0%**
- **Avg BSR**
- **#103**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **96%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **97 months**
- **Avg seller age**
- **192 days**
## **Competition & brand share**
The top 5 products take 55% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**10 **—flat
**Sellers**
**15**
**Top-5 brand share**
**80%**
Top 20: 100%
**Top-5 click share**
**55%**
Top 20: 95%
**Open market**
**14%**
- RFAdapter45% - MOOKEERF18% - G-PLUG6% - YOTENKO6% - Foboiu5% - STEREN5% - Open — no brand owns it (4 brands, 14%)
## **Demand & seasonality**
Weekly Amazon search volume, last 102 weeks — +8.7% search growth over the last 90 days.
3K2KSpike '24Spike '25Prime Day '25Spike '26 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.6×
[**Open Trend **](https://flapen.com/research/us/electronics/rg8x-coaxial-cable/trend)
## **Top rg8x coaxial cable search terms**
- **rg8x coaxial cable**31K/yr-2.0%3.1% conv. - **rgx8 coax cable**11K/yr+2.5%0.1% conv. - **rg8x**12K/yr+0.4%2.9% conv. - **ham radio coax cable**7K/yr+97.3%1.3% conv. - **50 ohm coax cable**10K/yr+1.2%1.4% conv. - **rg8 coaxial cable**6K/yr+9.3%1.8% conv. - **rg-8x coax cable**4K/yr+18.8%2.9% conv. - **rg8x coax**4K/yr+20.3%1.9% conv. - **rg-8x**3K/yr+22.7%3.6% conv. - **ham radio coax**3K/yr+5.6%2.1% conv. [**All search terms **](https://flapen.com/research/us/electronics/rg8x-coaxial-cable/search-terms)
## **Top rg8x 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%10%$11K20%$21K30%$32K40%$42K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 23 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**RFAdapter RG8x Coaxial Cable CB Coax Cable 50ft UHF PL259 Male to Male Low Loss CB Antenna Cables 50 Ohm for HAM Radio Antenna Analyzer**RFAdapter**$31.97**4.6★4,228 rev](https://www.amazon.com/dp/B07ZYDRY78) [2**RFAdapter RG8x Coaxial Cable 100 ft CB Coax Cable UHF PL259 Male to Male Low Loss CB Antenna Cables 50 Ohm for HAM Radio Antenna Analyzer Dummy Load SWR Meter**RFAdapter**$46.89**4.6★4,228 rev](https://www.amazon.com/dp/B0871QX9JC) [3**MOOKEERF RG8X Coaxial Cable 100ft Low Loss 50 ohm RG 8X Cable 100 Feet Black**MOOKEERF**$52.46**4.4★391 rev](https://www.amazon.com/dp/B09M2SHYSS) [4**RFAdapter CB Coax Cable 20ft RG8x Coaxial Cable UHF Male to Male Low Loss 50 Ohm for HAM Radio Antenna**RFAdapter**$19.45**4.6★4,228 rev](https://www.amazon.com/dp/B07ZYD5RZS) [5**Foboiu RG8x Coaxial Cable 30ft CB Antenna Cables PL259 UHF Male-to-Male**Foboiu**$21.49**4.3★133 rev](https://www.amazon.com/dp/B0CZ77WF9R)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**CB Coax Cable 18ft CB Radio Antenna Cable RG8X Coaxial Cable with with Waterproof Boot PL-259 Male to FME Female/ PL259 Male Connector Low Loss for HAM Radio VHF Radio Marine Antenna SWR Meter**Ullnosoo**$21.15**76 rev11mo ago](https://www.amazon.com/dp/B0FL12YRVZ) [**XRDS -RF RG8X Coaxial Cable 100FT 50 Ohm - Solid Copper Core PVC Jacket Low Loss Ideal for Antenna CB Radio and Ham Radio Applications**XRDS -RF**$49.02**46 rev1y ago](https://www.amazon.com/dp/B0DPH35S4T) [**MOOKEERF CB Coax Cable 18ft Low Loss RG8X Stranded Core CB Antenna Cable with PL-259 and FME/PL259 Male Connector - 18 Foot**MOOKEERF**$26.32**308 rev2y ago](https://www.amazon.com/dp/B0D5PLD2BF) [**MOOKEERF RG8 Coaxial Cable 200ft Low Loss RG8 Cable 200 Feet 50 ohm Without Wood Spool**MOOKEERF**$119.93**19 rev2y ago](https://www.amazon.com/dp/B0D4YJ25FZ) [**Foboiu RG8x Coaxial Cable 30ft CB Antenna Cables PL259 UHF Male-to-Male**Foboiu**$21.49**133 rev2y ago](https://www.amazon.com/dp/B0CZ77WF9R)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**CB Coax Cable 18ft CB Radio Antenna Cable RG8X Coaxial Cable with with Waterproof Boot PL-259 Male to FME Female/ PL259 Male Connector Low Loss for HAM Radio VHF Radio Marine Antenna SWR Meter**Ullnosoo**$21.15**4.5★**▲ 174%**](https://www.amazon.com/dp/B0FL12YRVZ) [**Superbat CB Coax Cable RG8X Coaxial Cable 50ft UHF Male to Male PL259 Cable for Ham Shack CB Radio Antenna Analyzer Dummy Load SWR Meter etc.**Superbat**$35.39**4.7★**▲ 106%**](https://www.amazon.com/dp/B09LYSF8YH) [**RFAdapter CB Coax Cable 20ft RG8x Coaxial Cable UHF Male to Male Low Loss 50 Ohm for HAM Radio Antenna**RFAdapter**$19.45**4.6★**▲ 96%**](https://www.amazon.com/dp/B07ZYD5RZS) [**G-PLUG 50FT RG8X Coaxial Cable 50 Ohm PL259 Low Loss for CB Ham Radio**G-PLUG**$30.44**4.5★**▲ 81%**](https://www.amazon.com/dp/B0C1BTRDSN) [**MOOKEERF RG8 Coaxial Cable 200ft Low Loss RG8 Cable 200 Feet 50 ohm Without Wood Spool**MOOKEERF**$119.93**3.9★**▲ 45%**](https://www.amazon.com/dp/B0D4YJ25FZ)
**~~View all trending →~~**
## **What buyers say about rg8x coaxial cable**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**28%
*“Great quality and good flexibility”*
**Signal Strength**12%
*“Works great, just what I needed to connect my SWR meter to my radio”*
**Advertised Vs Actual Product**9%
*“As advertised”*
**Value For Money**9%
*“Good value cable for your shack”*
**Connectivity-Overall**5%
*“connected easily to the female connector”*
**Size-Overall**4%
*“the connectors fit well”*
**Ease Of Use**4%
*“Easy to work with”*
**Durability**3%
*“they are durable”*
**Flexibility**2%
*“Great quality and good flexibility”*
**Correct Contents**2%
*“I both another set”*
### **What buyers complain about **
**Quality-Overall**19%
*“Low quality”*
**Advertised Vs Actual Product**11%
*“Product description is WRONG”*
**Connectivity-Overall**10%
*“It is a very poor connection”*
**Signal Strength**9%
*“I was having issues with the SWR on my EFHW antenna”*
**Ease Of Use**5%
*“It wasn't an easy decision all in all”*
**Flexibility**5%
*“rigidity not flexible”*
**Functionality-Overall**5%
*“Does NOT work as Advertised”*
**Measurement/Reading Accuracy**4%
*“My problems began when I was seeing strange readings with my HF radio”*
**Water Resistance**4%
*“Additionally, the other end lacked the advertised waterproof covering”*
**Assembly/Installation**4%
*“But, definitely a challenge to install”*
### **Top return reasons **
**Size-Overall**19%
**Compatibility-Overall**18%
**Connectivity-Overall**11%
**Length**10%
**Advertised Vs Actual Product**10%
**Functionality-Overall**6%
**Socket/Port/Plug**6%
**Quality-Overall**5%
**Defective Material/Parts**4%
**Signal Strength**4%
## **Common questions**
- **Is rg8x coaxial cable profitable to sell on Amazon United States?**
- The niche generates $106K/yr across 23 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is +8.7%. Flapen's verdict: Skip it (48/100).
- **How competitive is the rg8x coaxial cable niche?**
- 10 brands and 15 sellers compete. The top 5 products take 55% of clicks and top 5 brands hold 80% of demand.
- **What do buyers complain about in rg8x coaxial cable?**
- Top complaints mined from reviews: Quality-Overall, Advertised Vs Actual Product, Connectivity-Overall. The return rate is 1.5%.
- **When does demand for rg8x coaxial cable peak?**
- Demand is steady year-round — the busiest month runs 1.6× the quietest.
- **What does it cost to enter the rg8x coaxial cable niche?**
- Listings span $13.90–$119.93; the average listing price is $36.92 (sweet spot $15–$100). The average incumbent carries 1,212 reviews — the moat a new listing must climb.
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