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Description
TL-SM321A TP-Link® Compatible Transceiver SFP 1000Base-BX WDM (Tx1550nm/Rx1310nm, SMF, 20km, LC, DOM)TL SM321A TP Link Compatible Transceiver SFP 1000Base BX WDM (Tx1550nm Rx1310nm, SMF, 20km, LC, DOM) ATGBICS TP Link Compatible TL SM321A SFP 1000Base BX form factor network transceiver supports a distance of up to 20km over single mode fibre (SMF) using a wavelength of 1550 1310nm via an LC Simplex connector. This product operates within a commercial temperature range. Digital optical monitoring (DOM) support is also present enabling real time
TL-SM321A TP-Link® Compatible Transceiver SFP 1000Base-BX WDM (Tx1550nm/Rx1310nm, SMF, 20km, LC, DOM)
ATGBICS TP-Link® Compatible TL-SM321A SFP 1000Base-BX form factor network transceiver supports a distance of up to 20km over single-mode fibre (SMF) using a wavelength of 1550/1310nm via an LC Simplex connector. This product operates within a commercial temperature range. Digital optical monitoring (DOM) support is also present enabling real-time monitoring of the parameters of the fibre optic transceiver.
Our product meets the specification of TP-Link® TL-SM321A and we proudly offer a compatibility guarantee and limited lifetime warranty. Our rigorously tested products record a unique traceable serial number and are fully compliant with all MSA (Multi-Source Agreement) and IEEE standards & protocols.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- 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
4.2 ★★★★★
Based on 21 reviews
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Product Reviews
★★★★★ 3
Great on paper, but milky
Size: 4 Ounce (Pack of 1)
Based on my research I think it's one of the best physical sunscreens. Highest active ingredient percent and good price. It is quite white and harder to melt in and I still tan quite deeply.
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Reviewed in the United States on July 22, 2025
★★★★★ 2
Too thick and Difficult to Spread
Size: 4 Ounce (Pack of 1)
I’ve been using this sunscreen for several years. It was getting a good rating from Environmental Working Group in terms of being healthy for the skin. However, I finally gave up on it because it is so thick and difficult to spread. There are other healthy sunscreens that are not so thick and chalky.
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Reviewed in the United States on November 13, 2025
★★★★★ 5
Great insect spray
Works great
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Reviewed in the United States on February 4, 2026
★★★★★ 5
Not oily.
Sprays evenly. Does not have that bug spray sent. Lasts a long time. You don't have to overspray to get good coverage. Works great for mosquitoes.
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Reviewed in the United States on October 11, 2023
★★★★★ 5
Does the job
It's bug spray
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Reviewed in the United States on July 2, 2025