What is the fire rating of this HDMI cable?

This HDMI cable has a CL2 fire rating, making it suitable for in-wall installations.

What is the maximum resolution supported by the StarTech.com HD2MM15MA HDMI cable?

The StarTech.com HD2MM15MA HDMI cable supports a maximum digital resolution of 3840 x 2160 (Ultra HD 4K) at 60Hz.

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StarTech.com HD2MM15MA CL2 HDMI Cable - 50 ft / 15m - Active - High Speed - 4K HDMI Cable - HDMI 2.0 Cable - In Wall HDMI Cable with Ethernet

Create feature-rich HDMI connections up to 15 m away w/ no signal loss
Connect HDMI projectors in a boardroom / classroom / conference room
Supports Ultra HD resolutions up to 4K x 4K
CL2 fire rating / In-wall cable runs
Supports all HDMI 2.0 specifications
HD2MM / HD2MM15MA / CL2 HDMI Cable / 4K HDMI Cable / HDMI Cable with Ethernet / In Wall HDMI Cable / Long HDMI Cable / HDMI 2.0 Cable
15m / 15 m / 15meter / 15meter / 50 ft / 50ft / 50 foot / 50foot / 50 feet / 50feet / 50' / 50 '