Feature 1.MQW 1310nm DFB LD 2.Low threshold current 3.High output power 4.Built-in InGaAsp monitor PD 5.Wide temperature range operation (Tc=-45 to +85°C) Application 1.CATV Reverse Transmission 2.Light Source 3.Other Analog or Digital Optical Transmission Company Bob LASER CO., LTD is a factory specialized in laser sight and a series of laser products. Our products has safe quality and competitive price and complete after-sale service system . Certificates