SKU: 75981079980

TP-Link Gigabit Single-Mode SFP Transceiver (20km)

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Description

TP-Link Gigabit Single-Mode SFP Transceiver (20km)Extend Your Network's Reach with High Performance Fiber Connectivity Unlock the power of long distance, high speed data transfer with the TP Link Gigabit SFP Module. Designed for single mode fiber optic applications, this transceiver can extend your network's reach up to an impressive 20 kilometers (12. 4 miles), making it an ideal solution for connecting distant buildings, campuses, and LANs. Experience reliable, gigabit speed connectivity that

Extend Your Network's Reach with High-Performance Fiber Connectivity

Unlock the power of long-distance, high-speed data transfer with the TP-Link Gigabit SFP Module. Designed for single-mode fiber optic applications, this transceiver can extend your network's reach up to an impressive 20 kilometers (12.4 miles), making it an ideal solution for connecting distant buildings, campuses, and LANs. Experience reliable, gigabit-speed connectivity that overcomes the limitations of standard copper cabling.

Seamless Integration and Broad Compatibility

The TP-Link SM311LS is engineered for maximum flexibility and ease of use. Its hot-pluggable design allows for installation and removal without powering down your network equipment. Compliant with the Small Form Pluggable Multi-Source Agreement (SFP-MSA), this module ensures compatibility with a wide range of TP-Link JetStream switches and media converters, as well as other MSA-compliant devices. The inclusion of Digital Diagnostic Monitoring (DDM) provides real-time monitoring of the transceiver's status for enhanced network management.

Reliable Performance in Demanding Environments

Built to last, this SFP module operates effectively in a commercial temperature range of 0 to 70°C (32 to 158°F). It adheres to IEEE 802.3z standards and is certified by FCC and CE for safety and emission, ensuring dependable performance and peace of mind. The LC duplex port provides a secure and standardized connection for your single-mode fiber cables.

Hardware Features
DDM Yes
SFP-MSA Yes
Hot Swappable Yes
Media Converter & Module
Standards and Protocols IEEE 802.3z, TCP/IP
Wave Length 1310 nm
Power Supply 3.3V
Fiber Type 9/125 μm Single-Mode Fiber
Max. Cable Length 20 KM
Data Rate 1.25Gbps
Port Type LC Duplex
General
Dimensions (W*D*H) 2.2*0.6*0.5 in (55.4*14.6*12.9 mm)
Safety & Emission FCC, CE
Package Contents SFP Module SM311LS, Installation Guide
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
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 75981079980

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4.6 ★★★★★
Based on 7 reviews
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M
Verified Purchase
Mike
Louisville, US
★★★★★ 1
spray top lids fail after a few uses
Style: SPF 50, Size: 10 Fl Oz (Pack of 1)
This sunscreen is awesome. It stays on for a long time, even when swimming. It has almost no odor, which is great if you don't want to walk around with that summer sun screen smell. The reason I am giving this only one star is because of the canister. The spray top lid is very hard to press, and only works a few times before completely jamming, rendering the product useless. This is a huge problem if you are taking it on a river float, or camping where you can't just run out to the store and get another one if it stops working. I love this sunscreen and I really wish I could make it my summer go to, but have had so many of the lids malfunction that I will never buy this product again. It is expensive for sunscreen. They should figure out their packaging.
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Reviewed in the United States on August 2, 2025
T
Verified Purchase
T
Lexington, US
★★★★★ 5
a fave
Style: SPF 50, Size: 5 Fl Oz (Pack of 1)
Disappears into skin quickly, feels like nothing, looks like nothing (no white residue, streaks or discoloration). The fragrance free truly is. I reapply after a couple of hours or prolonged time in salt water even though I don't _feel_ like I need to (I'm not naturally pale) and have not had any burns since I started using Alba products, whereas before, I got occasional burns even from the better, former favorite, brands. I love this brand and the products are prominent on my subscribe and save lists. Once in a blue moon, the spray lid sticks and the can goes in the trash. BUT this happens once in a blue moon with just about every brand I've tried.
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Reviewed in the United States on July 6, 2023
A
Verified Purchase
Amanda G
Waukegan, US
★★★★★ 4
Great, when the can works
Style: SPF 50, Size: 5 Fl Oz (Pack of 1)
This is the only sunscreen I buy anymore. Clear, easy to use and no significant smell. Plus air powered spray and biodegradable. No of which matters, though, when the can won't spray at all or just gives a weak spray that leaves sunscreen in wet spots or no coverage on your arms. Too expensive to not work.
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Reviewed in the United States on June 8, 2023
H
Verified Purchase
hexenflexin
Cuba, US
★★★★★ 5
excellent for oily or acne prone skin
Style: SPF 50, Size: 5 Fl Oz (Pack of 1)
my skin type is highly reactive to sunscreen and I often have to juggle the desire for sun protection with awful break outs the next day. this is so far the only spray sunblock that's not stupid expensive that hasn't caused acne. only complaint is that it seems there's not much of the actual product in the can, but that could be due to the fact that I use a lot of it. 10/10
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Reviewed in the United States on March 20, 2026
S
Verified Purchase
Susan Carr
Grantham, US
★★★★★ 5
Lightweight, easy to apply, and perfect to use over makeup!
Style: SPF 50, Size: 5 Fl Oz (Pack of 1)
This has become my go-to sunscreen, especially for days when I’m in and out of the sun and need quick, reliable coverage. The spray goes on light and even, no thick, sticky feeling or weird white cast. I have sensitive skin and usually react to sunscreens with fragrance or heavy ingredients, but this one has not caused any irritation. I also appreciate that it's fragrance-free and water-resistant, so I can wear it at the beach or on a hike without worrying about reapplying constantly. It feels more like skincare than sunscreen, and I feel confident applying it over my makeup, not worrying that it will make it look cakey or run.
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Reviewed in the United States on May 27, 2025

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