Question 1

Can someone explain to exactly how these work?

Accepted Answer

Plug into power outlet. Plug RJ-45 cable from modem into the RJ-45 jack. Take other one and plug in outlet somewher in house. Plug RJ-45 cable into that pass thru. Plug the other end into your laptop (I have a Mac I have to use a Lightening adapter). Make sure network connection is made (turn off wireless). Open browser. USe one of the internet spped checkers to make sure the speed My speeds increased from about 160mbs (wireless) to almost 300mbs download (I have business line in house).

Question 2

Do you need 1 transmitter to 1 receiver? Or can you use 1 as a transmitter then have multiple receivers?

Accepted Answer

Yes 1 transmitter can have multiple receivers.  I myself have the transmitter then a receiver connected to my upstairs room and another receiver connected to a Samsung SMART TV in the basement.   It all really depends on the length of wiring the data travels and the age of the electrical wiring.

Question 3

can I add a third unit?

Accepted Answer

Yes, you may add more units to your HomePlug network.  However, it will not just work out of the box.  You must follow the manufacturers instructions on adding an additional adapter, which involves pressing a button on one of the existing units to initiate a "pairing" mode that shares the encryption key with the new adapter.  This may or may not break your existing pair's link, but then it's as simple as sharing the encryption key again using the same procedure.  I at one time had four different adapters all connected to each other in my house.  The safest bet to get the most speed and reliability is to get another adapter of the exact same make/model.  But they usually aren't sold individually...

Question 4

Do these cause a security issue? I read another review on a different product that said that one did.

Accepted Answer

This product should not present a security issue. It does not broadcast over the air and there is a procedure provided to encrypt communication between the two devices.

ASIN	B0892PRMHM
Brand Name	Zyxel
Color	Brown
Compatible Devices	Desktop
Customer Reviews	3.6 3.6 out of 5 stars (126)
Data Link Protocol	Ethernet
Data Transfer Rate	2400 Megabits Per Second
Hardware Interface	Ethernet
Item Dimensions L x W x H	6.4L x 4.2W x 11.3H centimetres
Manufacturer	Zyxel
Manufacturer Part Number	PLA6456KIT
Model Number	PLA6456KIT
Number of Items	1
UPC	760559127145 760559126841

Zyxel G.hn 2400 Wave 2 Powerline Kit, Pass-Thru, Gigabit, Plug&Play, Stream 8k Content [PLA6456]

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