Vextra VPC5E Plenum rated and Verified 350 MHZ. Nested Pullbox in Blue. Vextra offers a high-quality American-made UTP Cat 5e cable for residential data wiring. This ETL listed CMP rated cable meets the performance specs of TIA/EIA Cat 5e cable up to 350 MHz. The four conductor pairs are precisely twisted together for the maximum in transmission efficiency and protection from RF interference.