Product Description ? Features: 1. Duplex connector, 1x9 pin package and plastic package 2. +5V/+3.3V signal power supply. PECL interface logic lever 3. Uncooled MQW DFB-LD 4. Operating temperature from 0C to +70C 5. Complies with Telcordia GR-468-CORE Application: CWDM More Product Features ? Trademark: Star Standard: ISO9001: 2000 Company: Shenzhen Staropto Technology Co., Ltd.