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Description
GBIC-GE-S40K ZTE® compatible Transceiver SFP 1000Base-EX (1550nm, SMF, 40km, LC, DOM)GBIC GE S40K ZTE compatible Transceiver SFP 1000Base EX (1550nm, SMF, 40km, LC, DOM) ATGBICS ZTE compatible GBIC GE S40K SFP 1000Base EX form factor network transceiver supports a distance of up to 40km over single mode fibre (SMF) using a wavelength of 1550nm via an LC Duplex connector. This product operates within a commercial temperature range. Digital optical monitoring (DOM) support is also present enabling real time monitoring of the parameters
GBIC-GE-S40K ZTE® compatible Transceiver SFP 1000Base-EX (1550nm, SMF, 40km, LC, DOM)
ATGBICS ZTE® compatible GBIC-GE-S40K SFP 1000Base-EX form factor network transceiver supports a distance of up to 40km over single-mode fibre (SMF) using a wavelength of 1550nm via an LC Duplex 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 ZTE® GBIC-GE-S40K 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
4.8 ★★★★★
Based on 20 reviews
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Product Reviews
★★★★★ 5
Works great
Size: 60 Count (Pack of 1)
Great Stuff
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 15, 2026
★★★★★ 5
2 mg perfect for me
Size: 60 Count (Pack of 1)
Easier to low dose
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Reviewed in the United States on April 12, 2026
★★★★★ 4
Good product
Size: 60 Count (Pack of 1)
Good product
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Reviewed in the United States on November 22, 2025
★★★★★ 5
Usual,y. Helps me sleepme sle
Size: 60 Count (Pack of 1)
Works for me. Helps me have a restful sleep
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 19, 2026
★★★★★ 5
It works!
Size: 60 Count (Pack of 1)
Life Extension melatonin seems to work well. I’ve found that 1mg is as effective as the 3mg doses of other brands. I take 1mg every evening, as so does my German Shepherd. It helps us sleep through the night. We chose this brand because it’s clean and simple.
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Reviewed in the United States on November 17, 2025