Check the listing for details. fast Cat. Alarm/Security Cable - Unshielded - UL & (CMR) Rated - 500ft. Condition: New. Listed at 52.75 USD. Speed, Stability and Performance All Rolled Into One Superior CableCrafted with solid bare copper, UL listed and CL3R rated, it’s no wonder why businesses and homeowners are turning to fast Cat. for strong security systems with more reliable signals.At fast Cat., we’re on a mission to bring you high-performance cable options with all the bells and whistles. From high-performance conductors to flexible jackets and superior flammability ratings, creating a better security system has never been easier!fast Cat.Here are just a few of the perks you’ll enjoy when you choose fast Cat.:✓ Superior 18 & 22 AWG solid bare copper wire✓ Thick copper layer for improved conductivity✓ Higher CL3R flammability rating✓ CMR & FT4 flammability ratings✓ Safe for use inside residential buildings✓ UL listed with authentic holographic label✓ Flexible for easy prepping and installation✓ Directly sourced products from the Korean Ethernet Cable ManufacturerCat5e CMR Ethernet Cable (1000ft)Cat6 CMR Ethernet Cable (1000ft)Alarm Cable 22 AWG (500ft)Alarm Cable 18 AWG (500ft)Audio Cable 16 AWG (500ft)