Product Description
Adopts philips, photon or e-o high-sensitivity pin detector and import philips or motorola low-noisy push-pull amplifier module adopts imported philips or motorola doubler power amplifier module in output department plug-in insert dual-filter and return reverse optical transmit parts, develops return reverse access conveniently 19-inch one u standard machinery, forward panel sixth order optical power indication, modulating output level and lean beam at forward panel.