You don't know the difference between cm and mm... and I should trust your electrical design skills?

Thank you for your suggestions and reading.We have fixed the error, please feel free to contact us if you have any other questions.

Were does a ground wire connect?

No,it doesn't.But we have anoter version product which with a ground wire.

Will this work with PoE devices?

Yes = that's what I used them for.

Does this not need a separate grounding wire?

If your device is exposed to strong current, we recommend that you connect to a ground wire.

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

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CERRXIAN Ethernet Surge Protector RJ45 Coupler Female to Female Network Surge Protector Outdoor Arrester Protection Device Extension Adapter(2-Pack)

Product ID: 97735136

Details

Brand
CERRXIAN
Color
black
Product Dimensions
17.72"L x
Special Feature
Surge
Total Power Outlets
16

⚡8 TVS surge suppressors

🌐100Mbps data transmission

🔗RJ45 female-to-female coupler

70.95 DT

Duties & taxes included

In stock

Sold byAmazon TunisiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

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Description

⚡ Protect your network like a pro—because downtime is so last decade!

LIGHTNING FAST DEFENSE - Built-in 8 TVS diodes shield your network from damaging surges ⚡
PLUG PLAY SIMPLICITY - No confusing ports—both ends identical for effortless installation in any setup 🔌
RELIABLE 100 MBPS SPEED - Maintain smooth, uninterrupted data flow with stable 100Mbps transmission 🌐
SEAMLESS NETWORK EXTENSION - Easily connect two Ethernet cables for longer reach without signal loss 🔗
EMI SHIELDING FOR CRYSTAL CLEAR SIGNALS - Metal enclosure blocks electromagnetic interference for pristine connectivity 🛡️

The CERRXIAN Ethernet Surge Protector RJ45 Coupler (2-Pack) combines robust surge protection with convenient cable extension. Featuring 8 built-in TVS diodes, it safeguards your expensive routers and outdoor POE antennas from lightning and abnormal currents. Its metal shielding blocks electromagnetic interference, ensuring stable 100Mbps data transmission. Designed for easy plug-and-play use with identical RJ45 female ports on both ends, this device is perfect for indoor and outdoor network setups.

Specifications

ASIN	B07LG32KFF
Best Sellers Rank	#17,272 in Electronics ( See Top 100 in Electronics ) #178 in Surge Protectors
Brand	CERRXIAN
Color	black
Compatible Devices	Personal Computer
Customer Reviews	4.2 4.2 out of 5 stars (332)
Enclosure Material	Metal
Item Dimensions L x W	17.72"L x 10.24"W
Item Weight	0.02 kg
Manufacturer	Lemeng
Mfr Part Number	cx-21
Model Number	8541544724
Number of Items	2
Number of Outlets	16
Number of Packs	2
Number of Ports	8
Other Special Features of the Product	Surge Protection
Plug Type	Type A
Recommended Uses For Product	Indoor, Outdoor
Shape	Rectangle
UPC	680613035776
Unit Count	2 Count

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70.95 DT

Duties & taxes included

In stock

Sold byAmazon TunisiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Tunisia.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Anita G.

Good experience, but the tracking updates could be better.

2 months ago

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Perfect platform for hard-to-find items. Delivery was prompt.

1 month ago

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