Orei BK-EXB400R-K HDMI Extender 400 Ft

This HDMI over Ethernet extender from Orei brings long-distance AV distribution without perceptible lag, ideal for gaming rigs and home theater installs. It transmits high resolution video and multichannel audio over a single CAT cable, keeping setups tidy and reducing cable clutter while preserving HDR passthrough and advanced HDMI 2.1 features.

Key features

The unit supports 4K at 120Hz and 8K at 30Hz according to the manufacturer, which helps deliver smoother motion for fast paced games and clearer details for cinematic content. Bidirectional IR control lets you operate source equipment from the display end, and the included PoC option powers one end to avoid dual adapters, making installations cleaner. Expect HDR formats such as HDR10+ and Dolby Vision to pass through, and the device handles high bitrate audio including DTS-HD and Dolby TrueHD 🎮. Note that Orei HDBaseT products are designed to pair only with their matching transmitter and receiver models, which can limit cross-brand compatibility.

Tech specs

• Name: Orei BK-EXB400R-K
• Range: 400 Ft for 4K@120Hz, 300 Ft for 8K@30Hz
• HDMI version: HDMI 2.1, HDCP 2.3
• Bandwidth: FRL 40 Gbps, TMDS 18 Gbps
• Control: IR bidirectional, RS-232, CEC

Benefits

This extender reduces distance limits that normally hamper high resolution AV setups. By using a single CAT cable you avoid long HDMI runs and maintain picture fidelity over long spans. The PoC feature simplifies power management and the RS-232 port enables smoother integration with professional control systems. If you need ultra low latency for competitive gaming or a clean long run for a projector, this unit covers both needs. Keep in mind that best performance depends on cable quality and matching Orei units for full compatibility ⚠️.

Usage tips

Install with shielded CAT6 or CAT7 cable for best results and follow the included mounting kit for tidy installation. Place the powered adapter at the transmitter or receiver as instructed to benefit from PoC, and test IR control from both ends during setup. For AV integrators, use the RS-232 port for centralized command and monitoring. The package includes transmitter, receiver, power adapter, IR kit, mounting ears and manual, so you can start configuring right away 📦.