TP-Link 1000Base-BX WDM Bi-Directional SFP Module

Specifications 

MEDIA CONVERTER & MODULE
Standards and Protocols IEEE 802.3z, TCP/IP
Wave Length TX: 1310 nm
RX: 1550 nm
Dimensions (W*D*H) 2.2*0.6*0.5 in (55.4*14.6*12.9 mm)
Power Supply 3.3 V
Safety & Emission FCC, CE
Cabel Single-Mode Fiber
Fiber Type 9/125 μm Single-Mode
Max. Cable Length 20 KM
Data Rate 1.25 Gbps
Port Type LC Simplex
Environment Operating Temperature: 0–70 °C (32–158 °F)
Storage Temperature: -40–85 °C ( -40–185 °F)
Operating Humidity: 10–90% RH, Non-Condensing
Storage Humidity: 5–90% RH, Non-Condensing
Warranty 3Years