When i have both 4k devices monitor do i use rx or tx to get 4k 30hz clear view ? thanks

Tx or transmit is connected to your source and Rx or receive is connected to your display. Level of Category twisted pair will dictate if you can send 4K. I believe Cat6 is recommended for 4K. I’ve sent 1080p over Cat5e.

Is this all i need to get laptop screen to hd tv? thanks

You just need a HDMI cable to connect a laptop to a TV if your laptop has an HDMI output.

Can i use cat5 cable?

It won’t work for mine with cat5e. Run is about 120 feet

Can I run from tv to receiver for audio?

No, you'll need something with ARC support of your TV and Receiver has HDMI ARC ports: https://www.amazon.com/4K-HDMI-Extender-Balun-OREI/dp/B0877B75HH

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OREI 4K HDMI Over Ethernet CAT6/CAT7 Extender, Extender RJ45 4K@30Hz Upto 130 Ft 1080P Upto 230 FT Full HD POC Transmitter & Receiver IR Loop Out (EX-230C)

OREI 4K HDMI Over Ethernet CAT6/CAT7 Extender, Extender RJ45 4K@30Hz Upto 130 Ft 1080P Upto 230 FT Full HD POC Transmitter & Receiver IR Loop Out (EX-230C)

Product ID: 365682953

Details

Colour
black
Compatible devices
Monitors PC HD
Connector type
HDMI
Item dimensions L x W x H
5.1 x 5.1 x
Specific uses for product
Projector

⚡Power over Cable (POC) tech

📶230 ft max HDMI range

🔄Local Loop Out display support

Description

🚀 Elevate your AV game—streamline, extend, and control like a pro!

SEAMLESS IR CONTROL - IR Loop Out lets you control devices remotely from either end—perfect for smart setups.
EXTEND YOUR 4 K VISION - Crystal-clear 4K@30Hz up to 130 ft, 1080P up to 230 ft with CAT6/7 cables—no signal compromise.
PLUG PLAY SIMPLICITY - No drivers, no hassle—just connect and elevate your home or office AV experience instantly.
FUTURE PROOF COMPATIBILITY - Supports all major resolutions & audio formats including Dolby True HD & DTS HD for immersive sound.
ONE POWER PLUG DOUBLE IMPACT - POC technology powers transmitter & receiver with a single adapter—cut clutter, boost efficiency.

The OREI EX-230C HDMI Over Ethernet Extender delivers ultra-high-definition 4K@30Hz video up to 130 feet and Full HD 1080P up to 230 feet via CAT6/7 cables. Featuring Power over Cable (POC) technology, it requires only one power source for both transmitter and receiver, simplifying installation. With IR Loop Out for remote control, EDID management, and support for advanced audio formats, it’s ideal for professional and home environments seeking seamless, long-distance HDMI transmission.

Specifications

ASIN	B096N6SL1J
Best Sellers Rank	378 in HDMI Cables
Brand	OREI
Cable Type	HDMI
Cable type	HDMI
Colour	black
Compatible Devices	Monitors, PC, HD Television, Laptops, Tablets, Game Consoles, Projectors
Compatible devices	Monitors, PC, HD Television, Laptops, Tablets, Game Consoles, Projectors
Connectivity Technology	Ethernet
Connector Gender	Male-to-Male
Connector Type	HDMI
Connector type	HDMI
Country Of Origin	China
Customer Package Type	Standard Packaging
Customer Reviews	4.3 out of 5 stars 533 Reviews
Ethernet Cable Category	Cat 6
Frequency	30 Hz
Included Components	HDMI
Indoor Outdoor Usage	Indoor
Item Length	230 Feet
Item Type Name	HDMI Extender
Item Weight	1 Pounds
Manufacturer	OREI
Manufacturer Part Number	EX-230C
Model Name	EX-230C
Model Number	EX-230C
Number of Items	6
Number of Pins	2
Other Special Features of the Product	HDMI Connectivity
Recommended Uses For Product	Education, Home Cinema, Business
Recommended uses for product	Education, Home Cinema, Business
UPC	850008956966
Wattage	5 watts

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