TLD1306系列手持数显光衰减器是本公司根据光通信设生产研究和工程应用的实际工作需要而研制的一种通用的智能数显连续可变光衰减器。该仪器采用智能数显连续可变微机芯片，辅以软件作为控制单元，整机体积小、重量轻、功耗低、测量精密、可靠性高，是一款性价比极高的产品。可用于光电器件、光无源器件、光纤、光缆、光纤通信设备的测量，是光纤通信系统工程建設和维护的必备工具。
TLD1306 series of digital variable optical attenuator is designed by our company according to the developing optical communication and the application of the project. It’s with the small volume, light weight, low power consumption, has the competitive price and capability. This handheld variable attenuator enables consistent operation in various testing situation, such as photoelectric device, optical passive component, optical fiber, optical cable, optical fiber communication, as well as the construction and maintenance of the fiber communication engineering.