Will a linxdot helium miner work with this? in theory the linxdot needs 12V and 2.5Amps

2.0A is not enough for your miner. There is another model of this that I ended up getting for my Sensecap M1 which requires 3A. As long as the voltage is correct, the amp rating can be higher than what you need. The miner is only going to pull the amps it needs.

Will the 5v 2.4a micro usb (gigabit ) work with an amazon fire tv and give me 1000mbps speeds via the microusb? other's are cap at 100mbps via micro

Even modern Samsung TVs have only 100mbps wired Ethernet. TVs and streaming devices do not need more bandwidth even for 4K streaming.

is this all you need for Bobcat Miner? Or do i need something else. Pleas help

This product takes POE, and converts it to a 12VDC output. You lose the POE power in the process. So it can power a a 12 volt device and supply a network connection.

Will this supply 12v dc through the barrel plug and poe power through the rj-45 at the same time?

Since a POE splitter "splits" the power and data, no- it would only have power on the power plug.

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Gigabit PoE Splitter 12V 2A Output with IEEE 802.3af/at Standard Compliant 10,100,1000Mbps Power Over Ethernet Splitter Adapter for Security Camera CCTV Surveillance 5.5x2.1mm DC Plug Cable(PS5712TG)

Gigabit PoE Splitter 12V 2A Output with IEEE 802.3af/at Standard Compliant 10,100,1000Mbps Power Over Ethernet Splitter Adapter for Security Camera CCTV Surveillance 5.5x2.1mm DC Plug Cable(PS5712TG)

Product ID: 251137218

Details

Brand
REVOTECH
Color
12V 2A DC Plug
Compatible Devices
Internet
Data Link Protocol
Gigabit IEEE
Data Transfer Rate
1000 Megabytes
Hardware Interface
Ethernet

⚡48V PoE to 12V/2A DC power conversion

🚀Gigabit Ethernet up to 1000Mbps

🛡️Multi-layer device protection

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VT5815

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Sold byAmazon VanuatuDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Details

Brand
REVOTECH
Color
12V 2A DC Plug
Compatible Devices
Internet

Description

⚡ Power Up Your Network, Effortlessly!

PLUG PLAY SIMPLICITY - No complex setup—just connect and power your devices instantly.
ROBUST MULTI PROTECTION - Built-in isolation, short circuit, and overvoltage safeguards keep your gear secure.
SMART 24 W POWER DELIVERY - Auto-detects and delivers up to 24W to optimize device efficiency and safety.
BLAZING FAST GIGABIT SPEEDS - Supports 10/100/1000Mbps for uninterrupted, high-speed network performance.
SEAMLESS PO E POWER CONVERSION - Transforms 48V PoE into stable 12V/2A DC output for non-PoE devices, eliminating extra adapters.

The Revotech PS5712TG Gigabit PoE Splitter converts 48V Power over Ethernet into a reliable 12V/2A DC output, supporting up to 24W power delivery. Compatible with IEEE 802.3af/at standards and gigabit speeds up to 1000Mbps, it enables non-PoE devices like security cameras and IoT gadgets to leverage PoE convenience. Featuring plug-and-play installation and comprehensive protection circuits, this compact splitter streamlines your network setup while safeguarding your equipment.

Specifications

ASIN	B08HS4NT13
Best Sellers Rank	#11,958 in Electronics ( See Top 100 in Electronics ) #209 in Surveillance Accessories
Brand	REVOTECH
Built-In Media	1 x POE Splitter (PS5712TG)
Color	12V 2A DC Plug PS5712TG
Compatible Devices	Internet Protocol Camera, Security Camera
Customer Reviews	4.5 out of 5 stars 1,836 Reviews
Data Link Protocol	Gigabit Ethernet , IEEE 802.3
Data Transfer Rate	1000 Megabytes Per Second
Hardware Interface	Ethernet
Item Dimensions L x W x H	10.83"L x 1.1"W x 0.91"H
Item Weight	0.05 Kilograms
Manufacturer	Revotech
Mfr Part Number	PS5712TG
Model Number	PS5712TG
Product Dimensions	10.83"L x 1.1"W x 0.91"H
UPC	711531487504
Warranty Description	one year warranty

Reviews

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29.03.2026

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4.12.2022

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15.12.2024

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13.01.2026

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14.09.2024

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14.04.2024

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26.02.2023

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