ethernet over coax
Skip itHigh returns (12.2%) — this niche doesn't clear our bar today.
Avg price
Great$86.92avg listing price — sweet spot $15–$100
Quality gap
Great4.2★avg incumbent rating — lower means beatable quality
Review moat
Good755.65avg incumbent reviews — the moat a new listing must climb
Price range
Good$7.06–$144.59cheapest to priciest tracked listing — scored on the share inside $15–$100
Competition
Okay62%top-5 click share — leaders hold, buyers still browse
Brand share
Okay84%top-5 brand share — brands hold most of the demand
Growth
Bad-12.0%90-day search growth — must beat 0% to launch
Conversion
Bad1.4%search→purchase rate — share of searches ending in a sale
Market size
Bad$66K$66K/yr · 53K searches
Returns
Bad12.2%return rate — above 5% kills the launch gate
According to Flapen's Amazon United States niche tracking, ethernet over coax is a $66K/yr Amazon United States market (53K searches/yr). The top 5 brands hold 84% of demand. Demand peaks in Jan–Aug. Verdict: Skip it — 35/100.
Data updated Jul 22, 2026 · scored weekly · How we score niches
ethernet over coax market data
- Units sold / yr
- 1K–1K
- avg 0–100/product
- Revenue / yr
- $87K–$109K
- units × avg price
- Conversion rate
- 1.4%
- Avg BSR
- #319
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 75%
- Out of stock
- 0.4%
- Avg brand age
- 63 months
- Avg seller age
- 197 days
Competition & brand share
The top 5 products take 62% of clicks — established leaders, but buyers still shop beyond them.Brands
13 flat
Sellers
48
Top-5 brand share
84%
Top 20: 100%
Top-5 click share
62%
Top 20: 100%
Open market
12%
- Hitron29%
- ScreenBeam25%
- goCoax13%
- TRENDnet11%
- LINOVISION7%
- CubQuantnestars4%
- Open — no brand owns it (7 brands, 12%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -12.0% search growth over the last 90 days.Peak months: Jan, Aug · busiest ÷ quietest = 1.6×
Top ethernet over coax search terms
- ethernet over coax34K/yr
- ethernet over coax adapter9K/yr
- ethernet over coax kit4K/yr
- ethernet coax2K/yr
- moca adapter for ethernet over coax4K/yr
Top ethernet over coax 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 20 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
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$101.024.4★1,547 rev
ScreenBeam Bonded MoCA 2.5 Network Adapter for Highest Speed Internet Ethernet Over Coax - Starter Kit (Model: ECB7250K02)
ScreenBeam$135.394.4★4,188 rev
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$116.454.5★406 rev
goCoax MoCA 2.5 Adapter (2-Pack) with 2.5GbE Ethernet Port | MA2500D Ethernet Over Coax for Gaming & 4K Streaming | 2.5Gbps Plug and Play | for Cable Internet Homes - Not for Satellite TV (White)
goCoax$118.634.5★609 rev
LINOVISION POE Over Coax EOC Converter IP Over Coax Max 3000ft Power and Data Transmission Over Regular RG59 Coaxial Cable for Upgrading Analog Surveillance System to IP Surveillance System
LINOVISION$82.604.4★404 rev
Newest
by launch date
POE Over Coax EOC Converter Ethernet Over Coax Adapter for Analog to IP CCTV Security System Upgrade Coax to Ethernet Transmitter Kit Max 3000ft Power & Data Transmission
WEILAILIFE$75.202 rev
TRENDnet 2.5Gbps Ethernet Over Coax Adapter (2-Pack) TMO-313C2K 1 x MoCA Coax F-Type Female Coax Input 1 x 2.5Gbps RJ45 LAN Port NDAA & TAA Compliant
TRENDnet$130.8412 rev
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$76.2733 rev
Ethernet Over Coax EoC Converter Coax to Ethernet Adapter Extension Distance Up to 3938ft(1200m) 10/100mbps Coaxial IP Extender for Upgrading Analog Surveillance System to IP Surveillance System
Reidubo$58.112 rev
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$17.629 rev
Trending
90-day click momentumPOE Over Coax EOC Converter Ethernet Over Coax Adapter for Analog to IP CCTV Security System Upgrade Coax to Ethernet Transmitter Kit Max 3000ft Power & Data Transmission
WEILAILIFE$75.201.0★
TRENDnet 2.5Gbps Ethernet Over Coax Adapter (2-Pack) TMO-313C2K 1 x MoCA Coax F-Type Female Coax Input 1 x 2.5Gbps RJ45 LAN Port NDAA & TAA Compliant
TRENDnet$130.844.8★
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$38.504.6★
Kiwee Broadband MoCA 2.5 Adapter with Dual 2.5GbE Ports (2-Pack) | High-Speed Ethernet Over Coaxial | 2.5Gbps Wired LAN for Streaming Gaming Mesh WiFi | Includes Coax & Ethernet Cables | KB-M3-02
Generic$119.004.7★
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$76.274.2★
What buyers say about ethernet over coax
What buyers praise and complain about, mined from review topics.What buyers love
“Easy to hook up works great”
“stable reliable connection”
“Works just as expected”
“Excellent Product”
“Works great, good speed”
“Well worth the money”
“Easy to use”
“Works perfectly with once it pairs up”
“The 2 network ports are great for my case where I need to hook up AP”
“Good and fast”
What buyers complain about
“connection drops out”
“Power adapter didnt work”
“the price may be a bit high”
“Wanted to return because seem not working and as expected and not compatible”
“the signal always drops”
“poor quality”
“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”
“Set up was a pain”
“it completely broke”
“Broken switch from the factory”
Top return reasons
Common questions
- Is ethernet over coax profitable to sell on Amazon United States?
- The niche generates $66K/yr across 20 tracked products. 1 of 2 products launched in the last 360 days are still selling. 90-day search growth is -12.0%. Flapen's verdict: Skip it (35/100).
- How competitive is the ethernet over coax niche?
- 13 brands and 48 sellers compete. The top 5 products take 62% of clicks and top 5 brands hold 84% of demand.
- What do buyers complain about in ethernet over coax?
- 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 ethernet over coax peak?
- Demand peaks in Jan–Aug; the busiest month runs 1.6× the quietest.
- What does it cost to enter the ethernet over coax niche?
- Listings span $7.06–$144.59; the average listing price is $86.92 (sweet spot $15–$100). The average incumbent carries 756 reviews — the moat a new listing must climb.