NEC's NX8560SJ Series is an Electro-Absorption (EA) Modulator and wavelength monitor intergraded, 1550 nm Multiple Quantum Well (MQW) structured Distributed Feed-Back (DFB) laser diode module. It is capable of transmitting up to 40 km standard single mode Þber (dispersion: 800 ps/nm) for 10 Gb/s app.