This product is a 1550nm 2.5Gbps laser diode module with a multi-quantum-well structure. It does not require cooling and can operate at temperatures of -40~+85ºC.
This document describes the features and characteristics of the 1550nm, 2.5Gbps MQW-DFB laser diode module, including uncooled high-temperature operation, hermetically sealed active component, built-in InGaAs monitor photodiode, etc.