Analyzes voice, data, and video signals in BPON/EPON/GPON FTTx systems; Concurrently measures 1310 nm Upstream Burst Signals and 1490/1550 nm Downstream Signal Measurements anywhere in the network; Three pass, warning, and fail LED indicators to allow you to quickly assess your network's power level; Supports 1310 nm Upstream Burst Signal and 1490/1550 nm Downstream Signal Measurements; Included software allows you to set the thresholds, transfer data, and calibrate the wavelength from your PC