VBNM RTXM139-400 SFP Single-Mode Optical Module — 155M/100M, 15km (For WTD)

Brand: VBNM. Origin: Mainland China. Model RTXM139-400 is a single-mode SFP optical module designed for WTD devices. It supports 155M and 100M link speeds with a maximum transmission distance of 15km, and uses the SFP form factor for single-mode fiber connections.