9 fiber optic equipment, namely laser transmitters, fiber optic receivers, rack mounted optical receivers, fiber detector cards, return video lasers, return data lasers and return video detectors; RF signal distribution equipment, namely amplifiers, line extenders, bridger amplifiers, continuity modules, diplex filters, automatic level and slope control modules, reverse amplifiers, bridger output plug-ins, equalizers, pads, cable equivalent plug-ins, reverse equalizers, torque wrenches, test probes, RF terminators, switching power supplies, power distribution boards, input modules, output modules, trunk housings, taps and passives