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.

rg8x coaxial cable

Skip it

A small market ($106K/yr) — this niche doesn't clear our bar today.

Avg price

Incredible$36.92

avg listing price — sweet spot $15–$100

Returns

Great1.5%

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

Good1,212.35

avg incumbent reviews — the moat a new listing must climb

Competition

Good55%

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

Brand share

Okay80%

top-5 brand share — brands hold most of the demand

Conversion

Okay3.0%

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

Quality gap

Okay4.5★

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

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

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.

No pronounced peak months · busiest ÷ quietest = 1.6×

Open Trend

Top rg8x coaxial cable search terms

rg8x coaxial cable31K/yr -2.0%3.1% conv.
rgx8 coax cable11K/yr +2.5%0.1% conv.
rg8x12K/yr +0.4%2.9% conv.
ham radio coax cable7K/yr +97.3%1.3% conv.
50 ohm coax cable10K/yr +1.2%1.4% conv.
rg8 coaxial cable6K/yr +9.3%1.8% conv.
rg-8x coax cable4K/yr +18.8%2.9% conv.
rg8x coax4K/yr +20.3%1.9% conv.
rg-8x3K/yr +22.7%3.6% conv.
ham radio coax3K/yr +5.6%2.1% conv.

All 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.

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

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$31.974.6★4,228 rev

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$46.894.6★4,228 rev

MOOKEERF RG8X Coaxial Cable 100ft Low Loss 50 ohm RG 8X Cable 100 Feet Black

MOOKEERF$52.464.4★391 rev

RFAdapter CB Coax Cable 20ft RG8x Coaxial Cable UHF Male to Male Low Loss 50 Ohm for HAM Radio Antenna

RFAdapter$19.454.6★4,228 rev

Foboiu RG8x Coaxial Cable 30ft CB Antenna Cables PL259 UHF Male-to-Male

Foboiu$21.494.3★133 rev

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$21.1576 rev

11mo ago

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$49.0246 rev

1y ago

MOOKEERF CB Coax Cable 18ft Low Loss RG8X Stranded Core CB Antenna Cable with PL-259 and FME/PL259 Male Connector - 18 Foot

MOOKEERF$26.32308 rev

2y ago

MOOKEERF RG8 Coaxial Cable 200ft Low Loss RG8 Cable 200 Feet 50 ohm Without Wood Spool

MOOKEERF$119.9319 rev

2y ago

Foboiu RG8x Coaxial Cable 30ft CB Antenna Cables PL259 UHF Male-to-Male

Foboiu$21.49133 rev

2y ago

What buyers say about rg8x coaxial cable

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

What buyers love

Quality-Overall28%

“Great quality and good flexibility”

Signal Strength12%

“Works great, just what I needed to connect my SWR meter to my radio”

Advertised Vs Actual Product9%

“As advertised”

Value For Money9%

“Good value cable for your shack”

Connectivity-Overall5%

“connected easily to the female connector”

Size-Overall4%

“the connectors fit well”

Ease Of Use4%

“Easy to work with”

Durability3%

“they are durable”

Flexibility2%

“Great quality and good flexibility”

Correct Contents2%

“I both another set”

What buyers complain about

Quality-Overall19%

“Low quality”

Advertised Vs Actual Product11%

“Product description is WRONG”

Connectivity-Overall10%

“It is a very poor connection”

Signal Strength9%

“I was having issues with the SWR on my EFHW antenna”

Ease Of Use5%

“It wasn't an easy decision all in all”

Flexibility5%

“rigidity not flexible”

Functionality-Overall5%

“Does NOT work as Advertised”

Measurement/Reading Accuracy4%

“My problems began when I was seeing strange readings with my HF radio”

Water Resistance4%

“Additionally, the other end lacked the advertised waterproof covering”

Assembly/Installation4%

“But, definitely a challenge to install”

Top return reasons

Size-Overall19%

Compatibility-Overall18%

Connectivity-Overall11%

Length10%

Advertised Vs Actual Product10%

Functionality-Overall6%

Socket/Port/Plug6%

Quality-Overall5%

Defective Material/Parts4%

Signal Strength4%

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.

rg8x coaxial cable

rg8x coaxial cable market data

Competition & brand share

Demand & seasonality

Top rg8x coaxial cable search terms

Top rg8x coaxial cable products on Amazon

Top sellers

Newest

Trending

What buyers say about rg8x coaxial cable

What buyers love

What buyers complain about

Top return reasons

Common questions

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