This Cisco compliant SFP-GE-Z is a 1000BASE-ZX SFP 1550nm 70km optical   transceiver module. The SFP-GE-Z transceiver module provides a low cost   high-performance connection. The SFP-GE-Z is 100% compatible with all   Cisco series switches and modules which support SFP transceivers.
   
   Features & Specifications
    -  Form Factor: SFP
    -  Device Type: Transceiver module
    -  Interface (Bus) Type: Plug-in module
    -  Connectivity Technology: Wired
    -  Application: 1000BASE-ZX
    -  Data Transfer Rate: 1Gbps
    -  Wavelength: 1550nm
    -  Max Distance: 70Km
    -  Fiber Type: SMF
    -  Connector: Duplex LC
    -  DDM: Without DDM
    -  Operating Temperature: 0~70 °C
    -  Compliant with MSA SFP Specifications