Does this use a gas discharge tube (gdt) or tvs diodes like the cheap protectors, or something else?

No Gas Tube ! SurgeArrest components such as MOVs (varistors ) ....

Does this work with and protect POE+ devices?

Yes. The IEEE let-through rating for this device is 60 volts and the PoE voltage is 48 volts so there will be no problem.

Can this unit be installed between the cable modem and the router to protect the entire network or does it have to be hooked up at the computer?

It should be installed at the first point of entry into the network. If you have a rj45 WAN cable then use it before the modem, if you have a cable modem there are coax versions of the same product. Just be sure it is capable of handling the higher frequencies used by cable internet providers.

How long is the grounding wire? Thanks!

The grounding wire is about 12 inches long. But you can pigtail a piece of grounding wire on it if it is too short, like happened with my application.

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APC Surge Protector for Ethernet Data Port (10/100/1000 Base-T Ethernet Lines), ProtectNet (PNET1GB)

Product ID: 1867467

Details

Brand
APC
Color
Beige
Special Feature
Surge
Total Power Outlets
10
Voltage
240 volts

⚡Instant surge reaction

🌐Gigabit Ethernet ready

🔒Fail-safe disconnect

COP 308584

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Sold byAmazon ColombiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚡ Protect your network like a pro—because downtime is not an option!

COMPACT YET ROBUST DESIGN - Small footprint (5.2" x 5") with durable copper and polycarbonate enclosure built for professional environments.
PLUG PLAY NETWORK ARMOR - Includes a 15cm patch cable for quick setup—protect your office or home network in minutes.
LIGHTNING FAST SURGE DEFENSE - ⚡ Instantaneous MOV & thermal fuse response shields your network from power spikes and lightning strikes.
SEAMLESS GIGABIT COMPATIBILITY - 🌐 Supports 10/100/1000 Base-T Ethernet and PoE for flawless high-speed data protection.
FAIL SAFE MODE FOR ULTIMATE SECURITY - 🔒 Automatically disconnects compromised circuits to prevent damage to your critical devices.

The APC ProtectNet PNET1GB is a compact, standalone surge protector designed specifically for 10/100/1000 Base-T Ethernet lines, including Power over Ethernet setups. Featuring instantaneous surge suppression via MOVs and thermal fuses, it ensures your network equipment stays safe from lightning strikes and wiring faults. Its fail-safe mode disconnects power if protection is compromised, preventing damage. Ideal for offices, apartments, and professional environments, it comes with a 15cm patch cable for easy installation.

Specifications

ASIN	B000BKUSS8
Amperage	15 A
Best Sellers Rank	#233,744 in Electronics ( See Top 100 in Electronics ) #1,452 in Surge Protectors
Brand	APC
Color	Beige
Compatible Devices	Devices with 10/100/1000 Base-T Ethernet lines
Customer Reviews	4.4 out of 5 stars 462 Reviews
Enclosure Material	Copper, Polycarbonate, Rubber
Global Trade Identification Number	00112840328128, 00731304226734
Item Dimensions L x W	5.2"L x 5"W
Item Part Number	PNET1GB
Item Weight	0.11 kg
Manufacturer	APC
Mfr Part Number	PNET1GB
Model Number	PNET1GB
Number of Outlets	10
Number of Ports	10
Other Special Features of the Product	Surge Protection
Plug Type	Type B
Product Dimensions	5.2"L x 5"W
Recommended Uses For Product	Apartment, Hotel, Office, Restaurant, TV
Shape	Rectangle
Special Feature	Surge Protection
Total Power Outlets	10
UPC	112840328128 803982823021 731304000754 731304226734 777786418113 778888350530
Unit Count	1 Count
Voltage	240 volts

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COP 308584

Duties & taxes included

In stock

Sold byAmazon ColombiaDelivered 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 Colombia.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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The product exactly matches the description. Very satisfied with my purchase.

5 days ago

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Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

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