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USA
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- USA
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Ships within 48 hours · Estimated delivery Jun 25 - Jun 30
For Your Every Summer RSVP, with Code: SUMMER15
Description
ADAM-6521/ST-AEAdvantech was founded in 1983 by three ex Hewlett Packard engineers and released the first industrial PC (IPC 600 in 1990. Features Include: Provides 4 x 10 100 Mbps Ethernet ports with RJ 45 connector and 1 x 100 Mbps multi single mode fiber port with ST connector Supports full half duplex flow control Supports Integrated Loop up engine Supports MDI MDI X auto crossover Provides broadcast storm protection Supports +10 ~ 30 VDC voltage power input

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
4.5 ★★★★★
Based on 605 reviews
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Product Reviews
★★★★★ 3
Quality is Okay
Color: 11-Nov-Lab Grown Citrine, Style: H
I ordered this for a Christmas present and the pendents are very small. The price as good but didn't think the quality was great. It does come in a nice gift box.
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Reviewed in the United States on December 9, 2025
★★★★★ 5
Super Cute & Well-Packaged
Style: M, Color: Gold, Style: M, Color: Gold
I bought this for my 6-year-old niece and it was super cute! I love how it was packaged and came with a notecard you could right on. I also love the message that it comes with and was something I wanted my niece to know and remember. It’s simple, the perfect size, and a great little gift!
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Reviewed in the United States on July 14, 2024
★★★★★ 5
beautiful necklace
Style: M, Color: Gold
Got this necklace for my niece it was so pretty on. the price was not bad! very beautiful necklace
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Reviewed in the United States on August 13, 2025
★★★★★ 5
Perfect gift
Style: "A, Color: Gold
Very nice necklace. The recipient loved it.
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Reviewed in the United States on January 4, 2026
★★★★★ 4
Cute
Necklace is so cute. And perfect for a little girl! It is a little cheesy , but it wasn’t for my niece. It’s very simple but makes a statement. Doesn’t seem to fade and seems strong against wear!
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Reviewed in the United States on February 2, 2025




