TP-LINK 1000Base-BX WDM Bi-Directional SFP Module (TL-SM321A-2) TX: 1550 nm, RX: 1310 nm, Max. Cable Length 2 KM free-shipping this vacuum offers powerful suction

this vacuum offers powerful suction that can quickly clean up dust

two brightness levels and two timer settings to meet your exact preferences

At the same time their lighter weight allows them to be used in most places

Wall-mounting Holder x 1

TP-LINK 1000Base-BX WDM Bi-Directional SFP Module (TL-SM321A-2) TX: 1550 nm, RX: 1310 nm, Max. Cable Length 2 KM free-shipping this vacuum offers powerful suctionTP Link 1000Base BX WDM Bi Directional SFP Module (TL SM321A 2) Adopts the latest standard 1000Base BX Up to 2 km transmission distance in 9 125 m SMF (Single Mode Fiber) Compatible with Small Form Pluggable Multi Source Agreement (SFP MSA) Supports Digital Diagnostic Monitoring (DDM) Supports Hot Swappable HARDWARE FEATURES DDM Yes SFP MSA Yes Hot Swappable Yes MEDIA CONVERTER & MODULE Standards and Protocols IEEE 802. 3z, TCP IP Wave Length TX: 1550