---
title: "Coax to Ethernet Adapter — $410K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/electronics/coax-to-ethernet-adapter"
last_updated: "2026-08-06T03:00:33.560Z"
locale: en
meta:
description: "Niche score 40/100 · $410K/yr market · 237K searches/yr · $67.96 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 40/100 · $410K/yr market · 237K searches/yr · $67.96 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Coax to Ethernet Adapter — $410K/yr Amazon US Niche (2026) - Flapen"
---
# **coax to ethernet adapter**
**Skip it**
High returns (12.2%) — this niche doesn't clear our bar today.
Market size 56Growth 23Conversion 32Competition 33Returns 0Price range 66Avg price 87Brand share 26Review moat 58Quality gap 70
**Avg price**
**Great****$67.96**
avg listing price — sweet spot $15–$100
**Quality gap**
**Good****4.3★**
avg incumbent rating — lower means beatable quality
**Price range**
**Good****$6.75–$135.39**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Review moat**
**Good****1,193.07**
avg incumbent reviews — the moat a new listing must climb
**Market size**
**Good****$410K**
$410K/yr · 237K searches
**Competition**
**Okay****65%**
top-5 click share — leaders hold, buyers still browse
**Conversion**
**Okay****2.5%**
search→purchase rate — share of searches ending in a sale
**Brand share**
**Okay****89%**
top-5 brand share — brands hold most of the demand
**Growth**
**Bad****-3.5%**
90-day search growth — must beat 0% to launch
**Returns**
**Bad****12.2%**
return rate — above 5% kills the launch gate
**Signals**[** Low Review Barrier**](https://flapen.com/research/niches?market=us&signal=low_review_barrier "Top brand's reviews < 500") [** High Returns**](https://flapen.com/research/niches?market=us&signal=high_returns "Return rate > 5%") [** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50")
According to Flapen's Amazon United States niche tracking, coax to ethernet adapter is a $410K/yr Amazon United States market (237K searches/yr). The top 5 brands hold 89% of demand. Demand peaks in Jan. Verdict: Skip it — 40/100.
Data updated Jul 22, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **coax to ethernet adapter market data**
- **Units sold / yr**
- **6K–8K**
- avg 250–500/product
- **Revenue / yr**
- **$408K–$544K**
- units × avg price
- **Conversion rate**
- **2.5%**
- **Avg BSR**
- **#308**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **80%**
- **Out of stock**
- **0.4%**
- **Avg brand age**
- **54 months**
- **Avg seller age**
- **177 days**
## **Competition & brand share**
The top 5 products take 65% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**10 **▼falling
**Sellers**
**41**
**Top-5 brand share**
**89%**
Top 20: 100%
**Top-5 click share**
**65%**
Top 20: 100%
**Open market**
**7%**
- BERANMEY27% - Hitron23% - ScreenBeam17% - goCoax16% - Alrhso7% - TRENDnet4% - Open — no brand owns it (4 brands, 7%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -3.5% search growth over the last 90 days.
10K6KSpike '25 seasonSepDecMarJunAugNovMarMay
Peak months: Jan · busiest ÷ quietest = 1.6×
[**Open Trend **](https://flapen.com/research/us/electronics/coax-to-ethernet-adapter/trend)
## **Top coax to ethernet adapter search terms**
- **coaxial to ethernet adapter**67K/yr+12.3%1.9% conv. - **coax to ethernet adapter**75K/yr-8.3%2.4% conv. - **ethernet to coax adapter**16K/yr-1.4%2.2% conv. - **coax to ethernet**15K/yr-0.1%1.8% conv. - **coax cable to ethernet adapter**9K/yr+7.5%2.4% conv. - **cable to ethernet adapter**8K/yr+0.3%3.3% conv. - **coax ethernet adapter**6K/yr+15.5%2.3% conv. - **coaxial cable to ethernet adapter**5K/yr-6.5%3.4% conv. - **coax to ethernet converter**5K/yr-14.3%1.7% conv. - **coax to cat6 converter**4K/yr-7.2%1.5% conv. [**All search terms **](https://flapen.com/research/us/electronics/coax-to-ethernet-adapter/search-terms)
## **Top coax to ethernet adapter 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%$41K20%$82K30%$123K40%$164K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 15 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**BERANMEY RF to RJ45 Converter Adapter 2 Pack F Female to RJ45 Male Ethernet Adapter Coaxial Coupler Coax Straight Connector**BERANMEY**$7.06**3.9★300 rev](https://www.amazon.com/dp/B0D5HNW3S6) [2**Hitron MoCA 2.5 Network Adapter (2-Pack) NOT a Modem - Extends Internet Over Coax | NOT for Satellite/AT&T U-Verse | Works Cable/Fiber/DSL | Requires Connected Coax**Hitron**$101.02**4.4★1,547 rev](https://www.amazon.com/dp/B08MQG6T61) [3**Hitron HTEM5 MoCA 2.5 Network Adapter (2-Pack) - Extends Network via Coax | NOT a Modem/Router/WiFi | Requires Cable TV Wiring (NOT Satellite) | Works with Cable & Most Fiber (NOT AT&T) | 2.5 Gbps**Hitron**$116.45**4.5★406 rev](https://www.amazon.com/dp/B0C47MJT83) [4**goCoax MoCA 2.5 Adapter with 2.5GbE Ethernet Port | MA2500D Ethernet Over Coax for Gaming & 4K Streaming | 2.5Gbps Plug and Play | for Homes with Coaxial Cable Wiring - Requires 2+ Adapters (White)**goCoax**$61.72**4.3★853 rev](https://www.amazon.com/dp/B08XP8MMFG) [5**ScreenBeam Bonded MoCA 2.5 Network Adapter for Highest Speed Internet Ethernet Over Coax - Starter Kit (Model: ECB7250K02)**ScreenBeam**$135.39**4.4★4,188 rev](https://www.amazon.com/dp/B08ML1TSXC)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**POE Over Coax Converter BNC to Ethernet IP Extender EOC 3280ft(1000m) Power & Data Transmission Over RG59 Coaxial Cable for Analog to IP CCTV Security Surveillance System Upgrade 2 in1 BNC+Twist Pair**CubQuantnestars**$76.27**33 rev1y ago](https://www.amazon.com/dp/B0FHH96H9J) [**Alrhso Coax to Ethernet Adapter 2PCS F-Type Female to RJ45 Male Coaxial Converter Orange F Female-to-RJ45 Male Ethernet Adapter Coax-Straight Connector Coaxial Coupler Coax Straight Connector**Alrhso**$6.75**30 rev1y ago](https://www.amazon.com/dp/B0FH6VSLY2) [**Cunyuer Network Coaxial Transmitter 1 Pair 10/100Mbps Passive IP Over Coax Extender for IP Cameras & NVR NOT for Analog/BNC Cameras or PC Networks**Cunyuer**$17.62**9 rev1y ago](https://www.amazon.com/dp/B0DRD3VKLG) [**BERANMEY RF to RJ45 Converter Adapter 2 Pack F Female to RJ45 Male Ethernet Adapter Coaxial Coupler Coax Straight Connector**BERANMEY**$7.06**300 rev3y ago](https://www.amazon.com/dp/B0D5HNW3S6) [**Coax Cable to Ethernet Adapter 1Pair 10/100Mbps 1CH Passive IP Network Coaxial Transmitter Receiver Extender for IP NVR Camera**Zerone**$22.81**22 rev3y ago](https://www.amazon.com/dp/B0C3MFZ99X)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**TRENDnet Ethernet Over Coax Adapter Backward Compatible with MoCA 2.0 Gigabit LAN Port Supports Net Throughput Up to 1Gbps Supports Up to 16 Nodes On One Network Black TMO-311C**TRENDnet**$38.50**4.6★**▲ 159%**](https://www.amazon.com/dp/B08PDMNK1Z) [**Cunyuer Network Coaxial Transmitter 1 Pair 10/100Mbps Passive IP Over Coax Extender for IP Cameras & NVR NOT for Analog/BNC Cameras or PC Networks**Cunyuer**$17.62**4.7★**▲ 142%**](https://www.amazon.com/dp/B0DRD3VKLG) [**Hitron MoCA 2.5 Network Adapter (2-Pack) NOT a Modem - Extends Internet Over Coax | NOT for Satellite/AT&T U-Verse | Works Cable/Fiber/DSL | Requires Connected Coax**Hitron**$101.02**4.4★**▲ 107%**](https://www.amazon.com/dp/B08MQG6T61) [**ScreenBeam MoCA 2.5 Network Adapter for Higher Speed Internet Ethernet Over Coax - Single Add-On Adapter for Existing MoCA Network (Model: ECB6250S02) Black**ScreenBeam**$68.47**4.4★**▲ 35%**](https://www.amazon.com/dp/B088KVYZGK) [**POE Over Coax Converter BNC to Ethernet IP Extender EOC 3280ft(1000m) Power & Data Transmission Over RG59 Coaxial Cable for Analog to IP CCTV Security Surveillance System Upgrade 2 in1 BNC+Twist Pair**CubQuantnestars**$76.27**4.2★**▲ 29%**](https://www.amazon.com/dp/B0FHH96H9J)
**~~View all trending →~~**
## **What buyers say about coax to ethernet adapter**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Assembly/Installation**20%
*“Easy to hook up works great”*
**Connectivity-Overall**15%
*“- Solid connection”*
**Advertised Vs Actual Product**11%
*“Works just as expected”*
**Quality-Overall**10%
*“Great EOC Product”*
**Data Transfer Speed**8%
*“Works great, good speed”*
**Value For Money**4%
*“Well worth the money”*
**Compatibility-Overall**4%
*“Works on my home coax”*
**Socket/Port/Plug**3%
*“It really is plug and play”*
**Ease Of Use**3%
*“they were super simple to use”*
**Durability**3%
*“The new and different brand have worked perfectly for a month now”*
### **What buyers complain about **
**Connectivity-Overall**20%
*“The connection will drop”*
**Functionality-Overall**11%
*“Power adapter didnt work”*
**Value For Money**8%
*“not worth the price”*
**Compatibility-Overall**8%
*“Wanted to return because seem not working and as expected and not compatible”*
**Signal Strength**5%
*“the signal always drops”*
**Data Transfer Speed**3%
*“After about 6 hours of debugging coax cables, ethernet cables, junction boxes, my gateway, and even the firmware on the MoCA adapters, I found out that one of the adapters was defective and limited to 100 mbps. whereas the other adapter did indeed have 1 gbps speed”*
**Quality-Overall**3%
*“I hope the seller knows the cable quality was poor”*
**Assembly/Installation**3%
*“Set up was a pain”*
**Durability**3%
*“it completely broke”*
**Size-Overall**3%
*“Did not fit on coax”*
### **Top return reasons **
**Compatibility-Overall**39%
**Connectivity-Overall**31%
**Functionality-Overall**13%
**Defective Material/Parts**4%
**Advertised Vs Actual Product**2%
**Assembly/Installation**2%
**Value For Money**2%
**Product Condition**1%
**Size-Overall**1%
**Socket/Port/Plug**1%
## **Common questions**
- **Is coax to ethernet adapter profitable to sell on Amazon United States?**
- The niche generates $410K/yr across 15 tracked products. 90-day search growth is -3.5%. Flapen's verdict: Skip it (40/100).
- **How competitive is the coax to ethernet adapter niche?**
- 10 brands and 41 sellers compete. The top 5 products take 65% of clicks and top 5 brands hold 89% of demand.
- **What do buyers complain about in coax to ethernet adapter?**
- Top complaints mined from reviews: Connectivity-Overall, Functionality-Overall, Value For Money. The return rate is 12.2% — above our launch gate.
- **When does demand for coax to ethernet adapter peak?**
- Demand peaks in Jan; the busiest month runs 1.6× the quietest.
- **What does it cost to enter the coax to ethernet adapter niche?**
- Listings span $6.75–$135.39; the average listing price is $67.96 (sweet spot $15–$100). The average incumbent carries 1,193 reviews — the moat a new listing must climb.
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