NOYES OLS7 Laser Sources offer three stabilized Laser signals from one output port. Test single-mode networks fast with dual and triple wavelength transmit modes. OLS7-FTTH: Designed specifically for testing FTTH networks with 1310, 1490, and 1550 nm wavelengths. OLS7-FTTx: Designed for testing FTTx networks at 1310, 1490, and 1625 nm wavelengths. OLS7-3: Offers 1310, 1550, and 1625 nm wavelengths for testing applications such as Telecom and CATV.