#1
Product Features:
Designed to make two devices surf the Internet at the same time
Divide original embedded Ethernet cables (8pins) into two groups
Two groups respectively transmit data with purely physical connection
Not the same as a network router, not the function of the assign IP addresses
Easy to operate, plug and play, no extra driver needed
Function: 
Compatible with ADSL, hubs, switch, TV, set-top box, router, wireless device, computer.
Specifications:
Color: Black
Input ports: RJ45 Female Interface
Output ports: 2* RJ45 Female Interface
Shell Material: ABS
Product Size: 1.7*1.4*0.8in
#2
Specification:
Color: Black
Size: Approx. 15*12*2cm
Type A: RJ45 male
Type B: Dual rj45 female
CAT 5 ETHERNET
Features：
RJ45 Male to Female Network Cable
1 Male to 2 Port Female CAT 5 Adapter Splitter Cable
You cannot use two computers at the same time using this splitter Cable
This 1-to-2 RJ45 Splitter Cable Adapter increases the number of RJ45 network connections on an RJ45 outlet
#3
Product Features:
100% brand new and high quality.
Using gold-plated core to ensure transmission of signals.
Three network cables can be connected into a longer cable through this splitter.
78MM PCB board was embedded conduction circuit to avoid damage to the conductor.
Can shield the external electromagnetic signal interference to prevent damage to the internet signal.
Allows a laptop to access Ethernet in different rooms, without having to pull the cable from other room to the room to connect to this computer.
Product Specification:
Type:RJ45 1 to 3 Socket Extend Adapter
Material:ABS
Model:RJ45
Connector on First End:1 x RJ-45 Male Network
Connector on Second End:3 x RJ-45 Female Network
Size :6.5cm*2cm