Features 1) Metal ion doped fiber 2) High-power light source durability 3) Wavelength independence 4) Attenuation levels ranging from 1dB to 30dB, with standard and premium tolerances, plus custom configurations. 5) 1310nm, 1550nm, 1250-1625nm and 1350/1550nm dual wave lengths Polishes available 1) UPC -- return loss 55dB or greater 2) APC -- return loss 65dB or greater Applications 1) Telecommunication networks 2) Testing equipment 3) Local area network 4) CATV