EverydayTech Guide
Wi-Fi guide · Updated October 24, 2026

MoCA vs Powerline Adapters: Which to Buy for Wired Internet Without New Cables

A wired connection to a far room, game console or mesh node usually beats Wi-Fi, but running Ethernet through walls is not always practical. MoCA adapters send Ethernet over your home’s coaxial TV cable, and powerline adapters send it over your electrical wiring. This guide explains which one fits your home, what to check before you buy, and lists MoCA 2.5 and HomePlug AV2 adapters that were in stock when we checked, based on the makers’ own specifications.

Quick answer

MoCA (Ethernet over coax) or powerline (Ethernet over electrical wiring)? How each works, what to check before you buy, and MoCA 2.5 and HomePlug AV2 picks, based on maker specifications.

Jump to the picks on this page

Picks are affiliate links and are not independently tested. See How we pick and the affiliate disclosure.

On this page (6 sections)
  1. Quick answer
  2. MoCA vs powerline at a glance
  3. How to tell which one your home can use
  4. What to check before you buy
  5. Gear worth considering
  6. Frequently asked questions

Is this the right guide? This page helps you add a wired connection over coax or electrical wiring. If you are not sure you need one, start with the free fixes in How to Fix Wi-Fi Dead Zones. If you would rather add Wi-Fi coverage instead, see Wi-Fi Extender vs Mesh.

Affiliate disclosure: As an Amazon Associate, Everyday Tech Guide earns from qualifying purchases. This page contains labeled affiliate links; we may earn a commission if you purchase through them, at no additional cost to you. Our picks are not paid placements. How we pick.

Quick answer

MoCA vs powerline at a glance

Summarized from goCoax’s MA2500D product page, ScreenBeam’s ECB6250 product page and TP-Link’s TL-PA7017 KIT page and TL-PA9020P KIT page, checked October 24, 2026.

MoCA (Ethernet over coax)Powerline (Ethernet over electrical wiring)
What it usesYour home’s coaxial TV cableYour home’s electrical outlets and wiring
You needA coax outlet near the router and one near the device, on the same coax network; at least two adapters unless your router has MoCA built inTwo wall outlets, ideally on the same electrical circuit; at least two adapters
Speeds on the adapters hereMoCA 2.5: up to 2.5 Gbps throughput; per-device speed limited by the Ethernet port (1 Gbps or 2.5 Gbps)AV1000 or AV2000 theoretical rates; real throughput is lower and limited by gigabit ports
Main deal-breakersSatellite TV (DirecTV, DISH) or AT&T U-verse on the coax; splitters that do not pass MoCA frequenciesPower strips and surge protectors; outlets on different circuits; AFCI breakers; noisy appliances nearby
Extra parts you might needA MoCA point-of-entry filter and MoCA-rated splittersUsually none

Both are usually used to connect one device or a wired access point or mesh node. The node then provides strong Wi-Fi in the weak area, which is often the most useful way to use either one.

How to tell which one your home can use

  1. Look for coax outlets. Check for a coax jack near your router and in the room you want to connect. If there is one in both places and they lead to the same splitter, MoCA is worth trying.
  2. Check what is on the coax. Cable internet and cable TV can share the coax with MoCA. Satellite TV and AT&T U-verse cannot, according to ScreenBeam and goCoax.
  3. Check your splitters. goCoax says every splitter in the path must pass MoCA frequencies (1125 to 1675 MHz). Older splitters may not.
  4. For powerline, check the outlets. Pick two wall outlets, ideally on the same breaker, with nothing plugged in between the adapter and the wall. TP-Link advises keeping adapters away from large appliances such as washing machines, refrigerators and air conditioners.
  5. Check your breaker panel. TP-Link warns that AFCI breakers, standard in many homes built after 2000, may limit or block powerline. That is a reason to prefer MoCA if you have coax.

What to check before you buy

Gear worth considering

The TP-Link and ScreenBeam kits below were in stock as new items sold by Amazon.com when we checked on October 24, 2026. The goCoax adapter was in stock, shipped by Amazon and sold by goCoax, the maker. We have not tested any of them; the notes below come from the makers’ product pages and the Amazon listings.

Best MoCA kit for most homes: ScreenBeam ECB6250K02 (MoCA 2.5 starter kit)

A two-adapter MoCA 2.5 kit. ScreenBeam (the adapter is also sold under its earlier Actiontec name) lists one gigabit Ethernet port per adapter, backward compatibility with MoCA 2.0, 1.1 and 1.0, up to 16 MoCA nodes and MoCA Protected Setup pairing. Because the Ethernet port is gigabit, each connected device tops out at about 1 Gbps. The Amazon listing says the kit includes two adapters, two power adapters, two Ethernet cables, two coax cables and two coax splitters. ScreenBeam says it is not compatible with DirecTV, DISH or other satellite TV, or AT&T U-verse coax networks, and that some DOCSIS 3.1 cable modems may conflict.

View the ScreenBeam ECB6250K02 MoCA 2.5 kit on Amazon (affiliate link) →

We have not independently tested this product. Availability, specifications and platform support can change; confirm the details on the product listing and the manufacturer's site.

Best MoCA adapter for multi-gig internet: goCoax MA2500D (MoCA 2.5, 2.5GbE port)

goCoax lists MoCA 2.5 with up to five bonded channels, up to 2.5 Gbps of real throughput, up to 16 nodes and a 2.5GbE Ethernet port, so it suits internet plans and devices faster than 1 Gbps. It can be wall or desk mounted. This listing is for one adapter; you need at least two unless your router or gateway has MoCA built in. goCoax says each unit includes a coax cable, an Ethernet cable and a power adapter, recommends a MoCA point-of-entry (PoE) filter where the cable enters your home, and says it is not compatible with satellite TV or AT&T U-verse.

View the goCoax MA2500D MoCA 2.5 adapter on Amazon (affiliate link) →

We have not independently tested this product. Availability, specifications and platform support can change; confirm the details on the product listing and the manufacturer's site.

Two compact HomePlug AV2 adapters, each with one gigabit Ethernet port. TP-Link lists AV1000 powerline speeds (a theoretical physical-layer rate; real throughput will be lower), a range of up to 300 meters (about 1,000 feet) over electrical wiring, 128-bit AES encryption with a Pair button, and a power-saving mode. There is no pass-through outlet, so each adapter takes up the outlet it plugs into.

View the TP-Link TL-PA7017 KIT on Amazon (affiliate link) →

We have not independently tested this product. Availability, specifications and platform support can change; confirm the details on the product listing and the manufacturer's site.

Powerline step-up with two ports and a pass-through outlet: TP-Link TL-PA9020P KIT (AV2000)

Two HomePlug AV2 adapters with 2x2 MIMO and beamforming, two gigabit Ethernet ports each, and an integrated power socket with a noise filter, so you do not lose the wall outlet. TP-Link notes that AV2000 is a theoretical maximum and that actual speeds are limited by the Ethernet ports and wiring conditions. Both TP-Link kits work with other HomePlug AV and AV2 adapters.

View the TP-Link TL-PA9020P KIT on Amazon (affiliate link) →

We have not independently tested this product. Availability, specifications and platform support can change; confirm the details on the product listing and the manufacturer's site.

Want to wire a mesh system? See our best mesh Wi-Fi systems guide for systems that support Ethernet backhaul.

Frequently asked questions

Is MoCA better than powerline?

When you have usable coax in the right rooms, MoCA is usually the more predictable choice. Coax is shielded cable built to carry signals, while powerline results depend on the age and layout of your electrical wiring, which circuits the outlets are on and nearby appliances. Powerline is the better fit when there is no coax where you need it, or when you have satellite TV or AT&T U-verse on the coax, which MoCA makers list as incompatible.

How many MoCA adapters do I need?

At least two: one connected to your router and one at the device or mesh node you want to wire. If your router or gateway has MoCA built in, ScreenBeam says one adapter can be enough, because the router acts as the other end. Many Fios routers have MoCA built in, according to ScreenBeam’s Amazon listing. Up to 16 MoCA devices can share one network.

Do I need a MoCA PoE filter?

goCoax recommends one. In MoCA, PoE means point of entry, not Power over Ethernet. The filter goes where the cable line enters your home, before the first splitter, and keeps MoCA signals inside your home’s coax network. goCoax also recommends one in front of some DOCSIS 3.1 cable modems so the modem and MoCA do not interfere.

Does MoCA work with Xfinity, Spectrum or Fios?

The makers say MoCA 2.5 adapters work with most cable and fiber providers, including Comcast, Spectrum, Cox and Fios. ScreenBeam notes that Comcast supports MoCA 2.0 on the Xfinity XB8 gateway and suggests turning off MoCA in a Comcast gateway to get full MoCA 2.5 speeds from its adapters. If you use a provider gateway, check its MoCA setting before you install.

Will MoCA work with DirecTV or DISH?

No. ScreenBeam and goCoax both say their MoCA adapters are not compatible with satellite TV systems such as DirecTV and DISH, or with AT&T U-verse coax networks. goCoax explains that standard MoCA frequencies overlap with those used by satellite TV. Powerline is the usual alternative in those homes.

Can I plug a powerline adapter into a power strip or surge protector?

TP-Link says no. Its adapters should be plugged directly into wall outlets, and they do not work through power strips, surge protectors or extension cords. The TL-PA9020P has a pass-through socket, so you can plug a power strip into the adapter instead of the other way around.

Do powerline adapters work on different circuits?

TP-Link says the adapters should be on the same electrical circuit, and that performance may be limited or blocked in homes with AFCI breakers, which are common in homes built after 2000. If two outlets are on different circuits or breakers, results can drop sharply or the adapters may not connect. Try a different outlet pair before giving up.

Will I get the speed on the box?

No. Labels such as AV1000 and AV2000 are theoretical physical-layer rates. TP-Link says actual speeds vary with wiring, electrical noise and traffic, and are limited by the gigabit Ethernet ports. MoCA 2.5 can reach up to 2.5 Gbps of throughput, but a device on a gigabit port such as the ECB6250 tops out at about 1 Gbps. Your internet plan also caps what you see on a speed test.

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