Products Antennas Base Station, Tri-Sector Base Station, Inbuilding/Microcell/DAS, UHF/VHF/SHF, Microwave, Military, Automobile and Marine Antennas RET Control Systems View typical RET system diagrams (with and without Smart Bias-Ts), view and select RET system components (from control units to cables), download RET software or review and download installation guies. Canister & Cylindrical Antenna Solutions Accessories for cylindrical antennas (rooftop supports, extensions, flag adapters kits). UNICELL brand products to create custom cylindrical installations. UNICELL enclosures conceal one, two or three off-the-shelf antennas and are available with accessories such as mounting masts, cable access cannisters and lightning protection kits. Transmission Line Products Feeder Cable, Jumper Cables, RF Connectors & Adaptors, Grounding Kits, Feeder Clamps, Grounding Bars, Terminators, Tools. Couplers/Splitters Tubular power splitters, microstrip splitters, directional couplers. TMAs Tower Mounted Amplifiers (TMAs), Mast Head Amplifiers (MHAs), Low Noise Amplifiers (LNAs). For 700, 800, 900, 1800, 1900, 2100, 2600 and 900/1800 MHz. Filters/Combiners Diplexers, triplexers and quadruplexers Antenna Accessories Accessories to mount and modify antennas, including phasing harness and mounting bracket system kits.