CFP4 LR4,CFP4-100G-LR4-1310NM is a fully integrated 100Gbit/s optical transceiver module that consists of a 1310 nm wavelength cooled EA-DFB LD, Driver IC, PIN photo-diode, pre-amplifier, dual clock and data recovery (CDR) ICs with 25 Gbit/s electrical interface which complies with CFP2 Multiple Source Agreement (MSA) specifications. This compact size transceiver module is 50% smaller than F-tone Networks¡¯s first generation CFP solution.