TQ-LFF-203 set is portable, efficient, accurate and easy-to-use fiber optic test instrument designed to detect signals transmitted through a single mode fiber without disrupting traffic.Features◆ On-line inspection, no damage to the fiber, no signal interference◆ Insert loss ◆ The internal design could well protect fiber cable during testing◆ Fast test with accurate result◆ Available for 2mm and 3mm cable◆ Convenient using without replacing adapters◆ Calibrated signals are 270KHZ, 2KHZ, 1KHZ◆ Long-distance operation via the wireless signal◆ Small and light, easy to take along Innovative In Application Optic fiber rectification, troubleshooting or optical detection must be operated on the premise that there is no damage to optic fiber a...