---
title: "Rj45 Coupler — £45K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/computers-accessories/rj45-coupler"
last_updated: "2026-07-31T11:45:33.229Z"
locale: en
meta:
description: "Niche score 44/100 · £45K/yr market · 55K searches/yr · £5.73 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 44/100 · £45K/yr market · 55K searches/yr · £5.73 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Rj45 Coupler — £45K/yr Amazon UK Niche (2026) - Flapen"
---
# **rj45 coupler**
**Skip it**
Prices mostly outside the sweet spot ($3.20–$12.36) — this niche doesn't clear our bar today.
Market size 11Growth 20Conversion 96Competition 47Returns 96Price range 0Avg price 16Brand share 54Review moat 64Quality gap 33
**Conversion**
**Incredible****14.3%**
search→purchase rate — share of searches ending in a sale
**Returns**
**Incredible****0.8%**
return rate — above 5% kills the launch gate
**Review moat**
**Good****936.26**
avg incumbent reviews — the moat a new listing must climb
**Brand share**
**Good****72%**
top-5 brand share — brands hold most of the demand
**Competition**
**Okay****57%**
top-5 click share — leaders hold, buyers still browse
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Growth**
**Bad****-10.3%**
90-day search growth — must beat 0% to launch
**Avg price**
**Bad****£5.73**
avg listing price — sweet spot $15–$100
**Market size**
**Bad****£45K**
£45K/yr · 55K searches
**Price range**
**Bad****£3.20–£12.36**
cheapest 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 ~~](https://flapen.com/research/methodology)
## **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.
2K1K seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.4×
[**Open Trend **](https://flapen.com/research/uk/computers-accessories/rj45-coupler/trend)
## **Top rj45 coupler search terms**
- **rj45 coupler**28K/yr-14.2%12.8% conv. - **ethernet coupler**13K/yr+0.2%10.6% conv. - **cat6 coupler**4K/yr-17.6%14.4% conv. - **ethernet connectors to join cables**3K/yr-8.9%12.7% conv. - **ethernet cable joiner**3K/yr-8.4%10.9% conv. - **ethernet joiner**3K/yr-11.0%15.0% conv. [**All search terms **](https://flapen.com/research/uk/computers-accessories/rj45-coupler/search-terms)
## **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.
0%4%£2K8%£4K12%£5K16%£7K1101001K10K 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**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**£5.46**4.7★1,001 rev](https://www.amazon.co.uk/dp/B0DMF8G398) [2**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**£4.73**4.7★3,350 rev](https://www.amazon.co.uk/dp/B0BKNWJSRK) [3**RJ45 Coupler Cat7 Cat6 Cat5e 8P8C Ethernet Lan Cable Connector 8P8C Network In-Line Coupler Female to Female (Black 2pack)**BLKing**£3.39**4.6★869 rev](https://www.amazon.co.uk/dp/B08WZ8MYJL) [4**BLKing RJ45 Coupler Cat7 Cat6 Cat5e 8P8C Ethernet Lan Cable Connector 8P8C Network In-Line Coupler Female to Female**BLKing**£3.35**4.6★869 rev](https://www.amazon.co.uk/dp/B08WYCZPR5) [5**VCE RJ45 Coupler Cat6 Ethernet Cable Connector Female to Female 5 Pack for Cat6/Cat5e Network Extender Joiner in Black**VCE**£5.65**4.5★2,187 rev](https://www.amazon.co.uk/dp/B07NVCC8HJ)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Tecmojo Keystone Coupler Cat6 UTP (Cat6 White 5pack)**Tecmojo**£4.65**11 rev10mo ago](https://www.amazon.co.uk/dp/B0FRS7Z1NN) [**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**£3.20**8 rev1y ago](https://www.amazon.co.uk/dp/B0FHQDTY3P) [**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**£5.61**229 rev1y ago](https://www.amazon.co.uk/dp/B0FHQD7K6M) [**FGB RJ45 Coupler Ethernet Female to Female Connector 5 Pack Black**FGB**£5.77**35 rev1y ago](https://www.amazon.co.uk/dp/B0DXJZ41TN) [**LAIXIABAO 4 Pcs RJ45 Coupler Female to Female Ethernet Connector Plug and Play Ethernet Cable Extender LAN Network Inline Joiners (Black)**LAIXIABAO**£3.39**25 rev1y ago](https://www.amazon.co.uk/dp/B0DQ52NM3C)
**~~View all new products →~~**
### **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**£3.81**4.5★**▲ 291%**](https://www.amazon.co.uk/dp/B09T5S27LM) [**Tecmojo Keystone Coupler Cat6 UTP (Cat6 White 5pack)**Tecmojo**£4.65**4.9★**▲ 267%**](https://www.amazon.co.uk/dp/B0FRS7Z1NN) [**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**£6.00**4.7★**▲ 262%**](https://www.amazon.co.uk/dp/B088KBQ5XH) [![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**£3.50**4.6★**▲ 146%**](https://www.amazon.co.uk/dp/B0DP2F7SVV) [**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**£5.61**4.4★**▲ 145%**](https://www.amazon.co.uk/dp/B0FHQD7K6M)
**~~View all trending →~~**
## **What buyers say about rj45 coupler**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**29%
*“* Very good build quality”*
**Connectivity-Overall**22%
*“The connection worked seamlessly”*
**Advertised Vs Actual Product**14%
*“Works and does the job”*
**Value For Money**9%
*“Value for money”*
**Ease Of Use**8%
*“Super easy to use”*
**Strength**3%
*“Seems solid and high quality”*
**Compatibility-Overall**2%
*“Side benefit, the embossing on the outer case states that these couplers are even compatible with the very rare / mysterious Cat 5A cable”*
**Functionality-Overall**2%
*“performance is excellent”*
**Design-Overall**2%
*“Nicely engineered”*
**Signal Strength**2%
*“Does the job no signal loss fantastic”*
### **What buyers complain about **
**Durability**17%
*“One broke within a month of purchase”*
**Compatibility-Overall**17%
*“Don't fit RJ 45 ends properly”*
**Leak-Proof**17%
*“It leaks”*
**Audio Quality**17%
*“the sound is not coming no matter what I did”*
**Connectivity-Overall**17%
*“Waste of money 2 pints not connected resulting in a failed Saturday sorting out my LAN”*
**Rusts/Corrodes**4%
*“Old coupler has a few rusted pins which caused problems”*
### **Top return reasons **
**Functionality-Overall**23%
**Compatibility-Overall**22%
**Connectivity-Overall**21%
**Quality-Overall**10%
**Size-Overall**7%
**Value For Money**4%
**Defective Material/Parts**4%
**Length**3%
**Socket/Port/Plug**3%
**Ease Of Use**1%
## **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.
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