Free shipping
Free returns
Low prices
5 million products
Black Friday Pre-Sale
tp-link Gigabit single mode single fiber SFP optical module TL-SM311SSA-2KM swap duplex SFP MSA 802.3z 1.25Gbps 2KM 3.3V
Specifications:
- With Modem Function: No
- Type: Wired
- Standards And Protocols: Wi-Fi 802.11g
- Origin: CN(Origin)
- Model Number: TL-SM311SSA-2KM
- Function: Firewall
- Brand Name: TP-LINK
Free shipping
We offer free shipping for all products
Free returns
If you aren't satisfied, you can return within 100 days
Low prices
Up to 40% off, and new deals every week
5 million products
With over 5 million products, you are guaranteed to find something you like