EDFA- Erbium Doped Fiber AmplifiersQFRF EDFA's are equipped with a 19" rack mount housing, a power range from 15dBm to 49dBm (31 to 80,000mw), and compatibility with CATV transmitters from 1540nm to 1563nm wavelength. They offer single 1550nm or up to 8 ITU grid wavelengths, along with Cable TV analog and digital QAM capability. Quality lasers and US made components guarantee durability, with superior ventilation and heat dissipation for long life pump laser operation. An LCD panel