If ethernet cables have a transmission limitation of 100 m (328 ft), how do the extenders work for 400 ft, 492 ft etc.? Will I need a switch too?

Ethernet is a networking protocol. So when you say ethernet cables have a limit of 100m, that limit only applies to the electrical signalling of the ethernet protocol. These extenders don't implement ethernet at all and don't care about the limits or specifications of that protocol. They use the 4 copper pairs in a standard CAT5e/6/7 cable to transmit the HDMI (and some other things) from one end to the other. You cannot connect this to a switch or any other ethernet device. It won't work, and it could potentially blow up or blow up your networking device since it uses a proprietary electrical interface which may push more power than ethernet is designed to accept. The main confusion here is that people refer to CAT5/5e/6/7 cables as ethernet cables. They are not. They are CAT5/5e/6/7, STP/UTP cables. The CAT number/designation tells you something about the physical properties of the copper cabling inside, and whether or not it is shielded. All of these cables are capable of carrying ethernet, and that is their most common use nowadays, especially for consumers. But at the end of the day, ethernet is just one of many signalling protocols that can be used.

Can this device be used only to send RS-232 signal 200' away? I'm not sure what "passthrough" means?

This unit will pass RS232 command from transmitter to receiver up to 200' away. Jackson Support Team J-Tech Digital, Inc

Can this do both 4k/60 and 1080p/120?

It can do 4K/ @60Hz but not 1080/ @120Hz. Only 1080p/ @60Hz Jewel Support Team J-Tech Digital, Inc

Does this product display 4K @ 60 frames per second?

Yes, this unit can support 4K @ 60Hz. Jackson Support Team J-Tech Digital, Inc

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HDBaseT HDMI Extender over Ethernet, 4K60 394ft, 1080p 492ft

Product ID: 239147028

Details

Brand
J-Tech Digital
Color
Black
Connectivity Technology
Ethernet HDMI
Item Weight
0.91 kg
Total USB Ports
1

🎥4K60Hz 4:4:4 HDR crystal-clear video

📶150m/492ft ultra-long range

🔄Bi-directional IR & RS-232 control

E£ 32207

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Sold byAmazon EGYPTDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🚀 Elevate your AV game with flawless 4K clarity and control—because your setup deserves the best.

POWER SIMPLIFIED - Power over Cable (PoC) means one adapter powers both transmitter and receiver—cleaner setup, less clutter.
EXTEND YOUR VISION - Seamlessly transmit 4K HDR signals up to 150 meters over a single Cat6 cable—no signal drop, no compromise.
PLUG PLAY SUPPORT - EDID passthrough ensures perfect compatibility; backed by lifetime tech support from US-based experts—confidence guaranteed.
TOTAL COMMAND CONTROL - Bi-directional IR, CEC, and RS-232 passthrough let you control your entire AV setup from either end—effortless integration.
CINEMA GRADE AUDIO VIDEO - Supports Dolby Vision, Dolby Digital+, DTS HD Master for immersive sound and stunning visuals that impress every time.

The J-Tech Digital UHDT150 is a professional-grade HDMI extender that transmits 4K60Hz 4:4:4 HDR video up to 150 meters over a single Cat6 cable using HDBaseT technology. It features bi-directional IR, CEC, and RS-232 passthrough for seamless remote control, supports Dolby Vision and advanced surround sound formats, and includes Power over Cable for simplified installation. Designed for high-performance AV setups, it ensures compatibility with EDID passthrough and comes with lifetime technical support.

Specifications

ASIN	B08L8HJFLS
Aspect Ratio	1.77:1
Audio Output Mode	Surround
Best Sellers Rank	#43,589 in Electronics ( See Top 100 in Electronics ) #47 in Remote Control Extenders
Brand	J-Tech Digital
Built-In Media	User Manual
Color	Black
Compatible Devices	Personal Computer
Connectivity Technology	Ethernet, HDMI
Customer Reviews	4.6 4.6 out of 5 stars (55)
Item Weight	0.91 kg
Manufacturer	J-Tech Digital
Mfr Part Number	JTD-614
Model Number	JTECH-UHDT150
Number of Component Outputs	1
Number of Items	1
Software Update Supported to Date	unknown
Supported Audio Format	Dolby Digital, DTS
Supported Standards	4K, Dolby Digital, DTS, EDID, CEC
Total Number of HDMI Ports	2
Total Usb Ports	1
UPC	850001567893
Unit Count	1 Count
Video Output Resolution	4K UHD (3840x2160)
Voltage	5 volts

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E£ 32207

Duties & taxes included

In stock

Sold byAmazon EGYPTDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to EGYPT.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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