GH-EC S1300 adapts the WDM technology and able to provide of the utilization single fiber and bi-direction communication up to 60km. It\'\'s suitable for any data communication application where single-mode fiber is in short supply or expensive to provision. GH-EC S1300 WDM media converter, made in China, has excellent working functions and good appearance. Specifications: 1) Compatibility: IEEE802.3, IEEE802.3u standard 2) Bi-direction (WDM) 3) 1RJ-4510 / 100MBps port half / full duplex auto-negotiation 4) Distance: up to 60km 5) MDI/MDI-X auto-negotiation 6) Optional function: no management or SNMP 7) Wavelength: 1,310nm / 1,550nm 8) Interface: SC, ST, FC 9) Power: input 85V - 275VAC, or -48V DC, output 5V, 1A 10) Operating temperature: -10 - 60oC 11) Storage temperature: -10 - 70oC 12) Humidity: 5 - 95% (no-condensing) 13) Dimensions: 80.5mm (W) x 26mm (H) x 120mm (L) 14) Shipping weight: 0.8kg Ordering information (single-mode): 1) GH-EC S1342 (SM-20): SC connector TX-1310nm; RX-1550nm/20km 2) GH-EC S1352(SM-20): SC connector TX-1550nm; RX-1310nm /20km 3) GH-EC S1342(SM-40): SC connector TX-1310nm; RX-1550nm/40km 4) GH-EC S1352(SM-40): SC connector TX-1550nm; RX-1310nm/40km 5) GH-EC S1342(SM-60): SC connector TX-1310nm; RX-1550nm/60km 6) GH-EC S1352(SM-60): SC connector TX-1310nm; RX-1550nm/60km