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  • RJ45 CAT 5 6 LAN Ethernet Splitter Connector Adapter PC
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RJ45 CAT 5 6 LAN Ethernet Splitter Connector Adapter PC

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List Price: $5.99
Price: $0.81 + $0.49 shipping
You Save: $5.18 (86%)
In Stock.
Ships from and sold by Super Circle.
  • Convert and increase your Ethernet connections from 1 to 2 sockets
  • Allow two computers to share high speed DSL, cable modem and Ethernet ports
  • Convert a single RJ45 outlet to two RJ45 sockets easily
  • Compact design. 8 wire RJ-45T adapter, parallel wiring
  • Connector: 3 x RJ45 female
32 new from $0.01 2 used from $0.01

Frequently Bought Together

RJ45 CAT 5 6 LAN Ethernet Splitter Connector Adapter PC + RJ45 Coupler F-F Straight + TP-LINK TL-SF1005D 5-port 10/100Mbps Desktop Switch
Price for all three: $10.90

These items are shipped from and sold by different sellers.

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Technical Details

  • Brand Name: eForCity
  • Model: 257944
  • Item Package Quantity: 1

Product Details

  • Product Dimensions: 6 x 1 x 1 inches ; 0.6 ounces
  • Shipping Weight: 3.2 ounces (View shipping rates and policies)
  • Shipping: This item is also available for shipping to select countries outside the U.S.
  • ASIN: B003C2QS90
  • California residents: Click here for Proposition 65 warning.
  • Item model number: 257944
  • Average Customer Review: 2.7 out of 5 stars  See all reviews (349 customer reviews)
  • Amazon Best Sellers Rank:
  • Date first available at Amazon.com: May 10, 2004

Product Description

NOTE: This Ethernet splitter allows two computers to share one Ethernet line ONE AT A TIME, but it doesn't support both computer to connect onto the internet simultaneously.

Customer Questions & Answers

Customer Reviews

After waiting for weeks for it to arrive, It did not work at all.
JJD
Especially don't buy it hoping to get two devices connected simultaneously by splitting the Ethernet 4 pairs into 2 pairs of 2... this doesn't do that either.
Michael
Hey, what can I say...I tried it and it did not work for my application.
JoeVegas

Most Helpful Customer Reviews

294 of 300 people found the following review helpful By D. Dean on June 24, 2011
I am writing this review to help everyone out.

This splitter will take the input of one Ethernet RJ-45 connection and physically split it into two RJ-45 Ethernet connections. Please notice that you can only have one device turned-on at a time. This is a limitation of the Ethernet physical signaling. If you try to have two devices use the connection simultaneously, it will not work.

If you need two physical connections both on at the same time from one connection, please look for a switch like a 4-port, 5-port, or 8-port Dlink/Linksys/Netgear/HP/etc. More money, but this is the correct way to 'split' connections when you can't run more Ethernet cabling.

Hope this helps everyone!
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139 of 147 people found the following review helpful By comedian on September 29, 2010
Does what it's supposed to do which is split the signal. I bought it knowing I could only use the internet on one device at a time, but thought I could have both devices on at the same time. This is not true. I have it hooked up to my Mac and my Xbox 360. If either one is on, the other must be off for the internet to work. This is frustrating and inconvenient but much cheaper than a router so I'm fine with the situation. You should know that before you purchase.
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93 of 105 people found the following review helpful By Dorbel Tweeter on August 4, 2012
[*** see Important Update to this review, at bottom!]

The reviewers who gave this splitter a bad rating are dead wrong. They do not understand what this device does. They failed to look at the schematic illustration above (alongside the other photos of it), which clearly shows how to use it.

Wrong reviews are annoying - if you are too lazy to read the instructions & educate yourself the tiniest bit about networking, then you have no business writing reviews to spread your stupidity and ignorance around the world. If you won't do your homework, then shut up - stop pretending that you did, and stop complaining that you failed the test: You *deserved* to fail it.

The purpose of these splitters is *NOT* to be able to buy a cheap splitter instead of having to buy either (a) a Modem-with-built-in-router/switch, or (b) a Modem PLUS a separate external router/switch, plus (c) two long cables to connect it to your two computers. That is what the ignorant people who wrote the bad reviews imagined that they could do with this splitter. Wrong, wrong, wrong!!

As the infamous (& fired) tech support person of legend once advised a customer: "Sir, the best solution to your problem is to (a) pack the computer back into its box, (b) take it back to the store, and (c) ask for a refund -- because you are TOO FRICKING STUPID to use a computer!"

For those who would prefer to educate themselves rather than abandoning their hopes of ever using computers, read on...

You need to purchase TWO of these. And employ them together, as shown in schematic. Then, yes, you can use two computers (or xboxes etc.) simultaneously.
Read more ›
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11 of 13 people found the following review helpful By K. Grimsley on April 25, 2012
You're all just complaining because you are too cheap to buy a router or switch to handle multiple internet connections simultaneously. This is a splitter, not a port switcher. It does exactly what it's supposed to do, it physically splits one line into two. That doesn't mean you can use both at the same time, there's no processing functionality in this item.

Compare it to a railroad. You have the railroad switch (this splitter) and the transfer station (a router or switch). You can have multiple trains going through the transfer station at the same time, however you can only have one train utilize a railroad switch at a time. Both are useful, however serve different purposes.

Go buy a $30 switch if you can't handle turning off one connection while using the other, and stop giving one star reviews to items that work properly. You're just too lazy to do some research on what you're buying.
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30 of 40 people found the following review helpful By cbiw on August 4, 2011
Verified Purchase
k1114 is correct that 100mb ethernet only requires 4 conductors. Unfortunately, these splitters are not wired to use 4 wires for each connector - all 8 go to both (I took mine apart to see), so you can't simultaneously use two devices, even with two splitters. It's a shame - the only splitters I've found wired for two devices are from Cables To Go and are much pricier ($13 each), and have a male on the single end instead of a female. Someone should start selling cheap splitters wired the right way!
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37 of 51 people found the following review helpful By Paul1114 on February 17, 2011
There seems to be a big misunderstanding about how this item works. It's not going to split one source into two! You need a PAIR of these to do that! Ethernet has 8 wires, right? Well, 10/100mb connections only use four of them. Splitters like these allow you to use four wires on each side, but you have to use ANOTHER one of these on the other end, and feed it two connections from a switch and/or router. This is great if you only have one wire run to a location where you need two.
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3 of 3 people found the following review helpful By Woo on July 29, 2013
Verified Purchase
After waiting on this splitter to ship from China for approximately 2 weeks, it arrived broken. The splitter has 4 small tabs that interlocking the 2 pieces that comprise the outer shell. Three of the four were nonexistent, of course that could very well be a shipping issue. So I took it upon myself to reassemble the outer shell. There is really nothing to this splitter (not a surprise). However, I was surprised to find that it didn't even hold the cat 5 jacks securely. Rest assured, this is not my first time around the block with networking/electronics. This splitter failed to make solid contact with both devices. I will just make my own next time, shame on me for thinking that this could be an inexpensive quick alternative.

Bottom line, don't waste your time with this.
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