VCELINK M221-6P IP68 RJ45 Ethernet Coupler, 6-Pack

VCELINK M221-6P is a six-pack of female-to-female RJ45 Ethernet couplers for joining cable runs, with the listing claiming IP68 protection and support for PoE. The claimed 1000 Mbps throughput and 250 MHz bandwidth suit extensions using compatible Cat6, Cat5e or Cat5 cable, while the 4.43-inch length may be relevant when planning clearance around a connection.

At a glance

Female-to-female RJ45 couplers join two Ethernet cable ends for a longer run.
Listing claims compatibility with Cat6, Cat5e and Cat5 cables and support for PoE equipment.
The feature description claims 1000 Mbps transmission and 250 MHz bandwidth.
Listing describes a shielded coupler for outdoor networking and signal extension.

Price

$31.19Save 20%

Reference price: ~~$38.99~~

Price checked: Nov 13, 2026

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Pros and cons

Pros

Six couplers are claimed in the package, useful when extending several cable runs.
The female-to-female design connects existing RJ45-terminated cables without an extra tool, according to the listing.
PoE IP cameras and other standard-RJ45 devices are among the listed intended uses.

Technical specifications

21 specifications

Identity
Brand	VCELINK
Model	M221-6P
Connector type	RJ45
Connector gender	Female-to-Female
Cable type	Ethernet
Ethernet cable category	Cat 6

Connection and environment
Data transfer rate	1000 megabits_per_second
Frequency	250 MHz
Number of pins	8
Specification met	Ip68
Indoor/outdoor usage	Outdoor
Compatible devices	Monitor, Router
Recommended uses	Outdoor Networking and Signal Extension
Special features	Weatherproof, Shielded

Dimensions and installation
Dimensions listed	11.24 x 2.97 x 2.97 cm; 338.3 g
Weight listed	338.3 g
Length in title	4.43in

Other details
Colour	Black
Country of origin	China
Manufacturer part number	M221-6P-CA
Warranty description	18 Months Warranty

What to know before buying

Listing details to confirm

The listing calls the coupler IP68 and waterproof, but that is a manufacturer claim rather than an independently verified rating. Confirm suitability for the actual installation and cable combination.

Who is it for?

A good fit for

People extending Ethernet runs to outdoor IP cameras, routers or other standard-RJ45 equipment.
Installations needing multiple female-to-female couplers for Cat6, Cat5e or Cat5 cables.
Buyers who need the listing's claimed PoE support for compatible network equipment.

Less suited to

Buyers needing an Ethernet cable or RJ45 plugs rather than inline female-to-female couplers.
Installations that require a verified environmental rating or performance beyond the listing's stated claims.

VCELINK M221-6P IP68 RJ45 Ethernet Coupler, 6-Pack · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.5 / 5 · 38 ratings

5 stars73%73%
4 stars21%21%
3 stars0%0%
2 stars0%0%
1 star6%6%

Customer feedback reports positive impressions of functionality, connection quality and water resistance. Those perceptions may matter for buyers extending outdoor Ethernet runs, but they do not verify the listing's IP68 rating, 1000 Mbps claim or suitability for a particular installation. The overall ratings are mostly in the higher star categories, with a smaller one-star share, so experiences are not uniformly positive.

Positive themes

Customer feedback describes good quality and stable connections.
Water resistance and functionality are positive themes in the supplied feedback.

Frequently asked questions

What does the VCELINK M221-6P connect?

It is a female-to-female RJ45 coupler intended to join two Ethernet cable ends. The listing names Cat6, Cat5e and Cat5 cable compatibility.

Does it support PoE?

The listing claims PoE support and names PoE IP cameras among compatible uses. Confirm compatibility with the specific equipment and cable run.

Is the IP68 waterproof claim independently verified?

No independent verification is supplied here. IP68 and waterproof protection are listing claims, so check whether they suit the conditions of your installation.

How many couplers are included?

The feature description claims a package of six RJ45 waterproof couplers, female to female.