Features: . Install friendly; Skin‑foam‑skin dielectric reduces high‑frequency attenuation, while maintaining uniform cell structure, low return loss, and exceptional crush resistance; Flexible and easy to strip; Meets or exceeds National Electrical Code® (NEC®) standards; Sunlight resistant and RoHS compliant; Legend markings for rooms and zones to save installation time; Footage markings in both ascending and descending order; Fully swept tested to 3.0 GHz; Free from restricted metals and hazardous compounds; Certifications: . Frequency (MHz) Maximum Attenuation (dB/100') Minimum Return Loss (dB) 55 1.5 20 211 2.8 20 400 3.9 20 500 4.4 20 600 4.9 20 750 5.5 20 1000 6.5 20 1450 8.1 16 1750 8.9 16 2250 10.1 16 .