The DGXZ+30DMDF-CS4 is a hybrid, multistage, multi-strike, fast response, high current capacity, +30 Vdc pass coaxial lightning arrestor manufactured by PolyPhaser. Launch 3 Telecom sells the DGXZ+30DMDF-CS4 and provides additional telecom services including repair, maintenance contracts, de-installation, and recycling. Payment options include credit cards, PayPal, purchase orders, and government purchase orders.