Can I connect two cameras to this with one Ethernet cable without compromise quality video?

Yes , we use them all the time .

I’m using this with a POE++ 48v 60W injector, what will be the output voltage on both terminals? It only specifies max output watts as 30w

48v is the output. The camera or other device only takes as much power as it wants usually 12vdc. Not much use if output is only 12v if running 100mtrs

Has anyone bought these and have them just not work? I bought several and 8 of them just do nothing when plugged in properly.

I purchased one and it worked just fine.

Is it important to use this together with a poE injector?

A POE injector or switch should work just fine. The important thing is usually that these don't support passive POE, so be sure it's not a passive injector or passive only poe device.

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Cudy 2 Channel Gigabit Outdoor PoE Extender，2 Output PoE Ports, IP67 Waterproof, 10/100/1000Mbps, PoE Repeater/PoE Amplifier/PoE Booster, Wall-Mount, Comply with 802.3bt / 802.3at / 802.3af

Product ID: 369269857

Details

Brand
Cudy
Wireless communication standard
802.11ac
Data transfer rate
1000 Megabits
Special features
Waterproof
Connector type
RJ45

⚡60W PoE input & 30W per output port power delivery

📶Extends PoE network by 100m per unit, up to 400m daisy chain

🌧️IP67 Waterproof for all-weather durability

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RD$19243

Duties & taxes included

In stock

Sold byAmazon Dominican RepublicDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚡ Power up your outdoor network—rain or shine, no limits!

DUAL PORT POWER BOOST - Simultaneously energize two PoE devices with up to 30W each, perfect for expanding your outdoor network effortlessly.
PLUG PLAY WALL MOUNT - Easy installation with no extra power supply needed—mount it and extend your network in minutes.
GIGABIT SPEED ASSURANCE - Supports blazing 10/100/1000Mbps data rates to keep your network fast and reliable.
SCALABLE NETWORK EXTENSION - Daisy chain up to 3 extenders for a massive 400m PoE reach, future-proofing your outdoor setups.
RUGGED IP 67 WATERPROOF DESIGN - Built to brave harsh weather conditions, ensuring uninterrupted connectivity rain or shine.

The Cudy 2 Channel Gigabit Outdoor PoE Extender is a robust, IP67-rated device designed to extend PoE power and data up to 100 meters per unit with dual 30W output ports. Compatible with IEEE 802.3bt/at/af standards, it supports gigabit speeds and can be daisy-chained up to 400 meters total. Its weatherproof, wall-mount design with surge protection ensures reliable outdoor network expansion without additional power supplies.

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

5 days ago

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2 weeks ago

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RD$19243

Duties & taxes included

In stock

Sold byAmazon Dominican RepublicDelivered 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 Dominican Republic.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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