rj45 coupler
Skip itPrices mostly outside the sweet spot ($3.20–$12.36) — this niche doesn't clear our bar today.
Conversion
Incredible14.3%search→purchase rate — share of searches ending in a sale
Returns
Incredible0.8%return rate — above 5% kills the launch gate
Review moat
Good936.26avg incumbent reviews — the moat a new listing must climb
Brand share
Good72%top-5 brand share — brands hold most of the demand
Competition
Okay57%top-5 click share — leaders hold, buyers still browse
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Growth
Bad-10.3%90-day search growth — must beat 0% to launch
Avg price
Bad£5.73avg listing price — sweet spot $15–$100
Market size
Bad£45K£45K/yr · 55K searches
Price range
Bad£3.20–£12.36cheapest to priciest tracked listing — scored on the share inside $15–$100
According to Flapen's Amazon United Kingdom niche tracking, rj45 coupler is a £45K/yr Amazon United Kingdom market (55K searches/yr). The top 5 brands hold 72% of demand. Verdict: Skip it — 44/100.
Data updated Jul 21, 2026 · scored weekly · How we score niches
rj45 coupler market data
- Units sold / yr
- 8K–10K
- avg 250–500/product
- Revenue / yr
- £46K–£57K
- units × avg price
- Conversion rate
- 14.3%
- Avg BSR
- #124
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 74%
- Out of stock
- 3.2%
- Avg brand age
- 41 months
- Avg seller age
- 199 days
Competition & brand share
The top 5 products take 57% of clicks — established leaders, but buyers still shop beyond them.Brands
17 rising
Sellers
20
Top-5 brand share
72%
Top 20: 100%
Top-5 click share
57%
Top 20: 97%
Open market
23%
- UGREEN31%
- BLKing19%
- Frienda8%
- VCE7%
- BENFEI6%
- RHINORO4%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -10.3% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.4×
Top rj45 coupler search terms
- rj45 coupler28K/yr
- ethernet coupler13K/yr
- cat6 coupler4K/yr
- ethernet connectors to join cables3K/yr
- ethernet cable joiner3K/yr
- ethernet joiner3K/yr
Top rj45 coupler 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.
All 23 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
UGREEN RJ45 Coupler 2PCS 10Gbps POE High-Speed Ethernet Connector Shielded Internet Joiner LAN Network Extender Female to Female for Cat7 Cat6 Cat5e Cat5 Ethernet Cable
UGREEN£5.464.7★1,001 rev

UGREEN RJ45 Coupler 10Gbps High-Speed Aluminum Ethernet Connector Shielded Internet Joiner LAN Network Extender Female to Female for Cat7 Cat6 Cat5e Cat5(1 Pack)
UGREEN£4.734.7★3,350 rev

RJ45 Coupler Cat7 Cat6 Cat5e 8P8C Ethernet Lan Cable Connector 8P8C Network In-Line Coupler Female to Female (Black 2pack)
BLKing£3.394.6★869 rev

BLKing RJ45 Coupler Cat7 Cat6 Cat5e 8P8C Ethernet Lan Cable Connector 8P8C Network In-Line Coupler Female to Female
BLKing£3.354.6★869 rev

VCE RJ45 Coupler Cat6 Ethernet Cable Connector Female to Female 5 Pack for Cat6/Cat5e Network Extender Joiner in Black
VCE£5.654.5★2,187 rev
Newest
by launch date
Tecmojo Keystone Coupler Cat6 UTP (Cat6 White 5pack)
Tecmojo£4.6511 rev

yimeizhiguang RJ45 Coupler F-F Ethernet Extension Adapter for Cat7/Cat6/Cat5e /Cat5 Cables - 10Gbps High-Speed Secure Locking Connector Plug & Play LAN Network Joiner (4 Pack) with Thunder Protection
yimeizhiguang£3.208 rev

iwillink 10Gbps Waterproof RJ45 Coupler Shielded Female to Female Waterproof Ethernet Coupler IP68 Ethernet Outdoor LAN Cable Connector for Cat5e/Cat6 Ethernet Cable 1 Pack
iwillink£5.61229 rev

FGB RJ45 Coupler Ethernet Female to Female Connector 5 Pack Black
FGB£5.7735 rev

LAIXIABAO 4 Pcs RJ45 Coupler Female to Female Ethernet Connector Plug and Play Ethernet Cable Extender LAN Network Inline Joiners (Black)
LAIXIABAO£3.3925 rev
Trending
90-day click momentum
VCELINK RJ45 Coupler Shielded Ethernet Coupler Cat6 Cat7/Cat6a/Cat6/Cat5e Inline Adapter Female to Female RJ45 Shielded Connector to Join Two Ethernet Cables Black 2 Pack
VCELINK£3.814.5★

Tecmojo Keystone Coupler Cat6 UTP (Cat6 White 5pack)
Tecmojo£4.654.9★

JSAUX RJ45 Coupler 10Gbps High-Speed Aluminum Ethernet Connector Shielded Internet Joiner LAN Network Extender Female to Female for Cat7 Cat6 Cat5e Cat5-2 Pack
JSAUX£6.004.7★
![LAN Cable extension RJ45 Coupler Ethernet cable 10Gbps connector Ethernet connects LAN adapter for LAN cable network cable network coupler Compatible with Cat8 Cat7 Cat6 Cat5e Cat5 [2PCS]](https://m.media-amazon.com/images/I/41B-v+ODi8L.jpg)
LAN Cable extension RJ45 Coupler Ethernet cable 10Gbps connector Ethernet connects LAN adapter for LAN cable network cable network coupler Compatible with Cat8 Cat7 Cat6 Cat5e Cat5 [2PCS]
lalasis£3.504.6★

iwillink 10Gbps Waterproof RJ45 Coupler Shielded Female to Female Waterproof Ethernet Coupler IP68 Ethernet Outdoor LAN Cable Connector for Cat5e/Cat6 Ethernet Cable 1 Pack
iwillink£5.614.4★
What buyers say about rj45 coupler
What buyers praise and complain about, mined from review topics.What buyers love
“* Very good build quality”
“The connection worked seamlessly”
“Works and does the job”
“Value for money”
“Super easy to use”
“Seems solid and high quality”
“Side benefit, the embossing on the outer case states that these couplers are even compatible with the very rare / mysterious Cat 5A cable”
“performance is excellent”
“Nicely engineered”
“Does the job no signal loss fantastic”
What buyers complain about
“One broke within a month of purchase”
“Don't fit RJ 45 ends properly”
“It leaks”
“the sound is not coming no matter what I did”
“Waste of money 2 pints not connected resulting in a failed Saturday sorting out my LAN”
“Old coupler has a few rusted pins which caused problems”
Top return reasons
Common questions
- Is rj45 coupler profitable to sell on Amazon United Kingdom?
- The niche generates £45K/yr across 23 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -10.3%. Flapen's verdict: Skip it (44/100).
- How competitive is the rj45 coupler niche?
- 17 brands and 20 sellers compete. The top 5 products take 57% of clicks and top 5 brands hold 72% of demand.
- What do buyers complain about in rj45 coupler?
- Top complaints mined from reviews: Durability, Compatibility-Overall, Leak-Proof. The return rate is 0.8%.
- When does demand for rj45 coupler peak?
- Demand is steady year-round — the busiest month runs 1.4× the quietest.
- What does it cost to enter the rj45 coupler niche?
- Listings span £3.20–£12.36; the average listing price is £5.73 (sweet spot $15–$100). The average incumbent carries 936 reviews — the moat a new listing must climb.