The Seco-Larm Enforcer CCTV Ground Loop Isolator provides a low-cost, flexible solution for CCTV signal lines with ground loops. In addition to built-in ground loop isolation and surge suppression, the isolator features built-in impedance and noise filtering to reduce RF interference, crosstalk, picture tearing, and other picture quality problems. The gold-plated BNC connector also enhances reliability. FEATURES: High immunity from interference. Passive operation - no external power required. Quick-connect BNC terminals for easy installation.