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RS-232/422/485 To Fiber Converter, WDM-A Tx:1310nmFP/Rx:1550nm MMF 2km, SC Connector

Marsoni M251S
Sale price$137.00
Pay 4 payments of $34.25 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
RS-232/422/485 To Fiber Converter, WDM-A Tx:1310nmFP/Rx:1550nm MMF 2km, SC ConnectorThe STF 300C WA20 provides a fiber converter solution to extend RS 232 or RS 422 RS 485 transmission distance up to 2km over multimode fiber (WDM). The converter is equipped with multiple interface circuits, for connection to RS 232, RS 423, or RS 422 485 (2 or 4 wire). The STF 300C WA20 secures data transmission over EMI resistant fiber at speeds up to 256kbps for RS 232 or up to 1024kbps for RS 422 485.
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
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4.6 ★★★★★
Based on 1376 reviews
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Cynthia Smith
Lake Worth, US
★★★★★ 5
Nice!!
Style: 88 oz & 5 Presets, Style: 88 oz & 5 Presets
Love it. Very easy to clean. My daughter uses it every weekend.😊😊
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 21, 2026
C
Verified Purchase
Crystal Jones
Dallas, US
★★★★★ 5
Awesome Machine
Style: 88 oz & 5 Presets
Absolutely amazing. My husband purchased this refurbished. However it still works wonders! I’ve made alcoholic beverages & a chocolate frosty. Both turned out perfect!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 6, 2026
J
Verified Purchase
Julia
Fort Morgan, US
★★★★★ 1
Worst product ever terrible seller
Style: 88 oz & 5 Presets
If I could give this review, zero stars, I definitely would. I am extremely unhappy with the whole experience I’ve had with the seller, which is woot. They have no experience in selling products. They attach fake serial numbers on items that they shipped to you and when you tell them, you have a problem they are of no assistance. I am extremely infuriated with the quality of this product. I spent a lump sum amount of money on this now piece of junk. Oh, and to add my house almost caught on fire because the product overheated. I do not recommend anybody buy from the seller. The functionality is terrible. I am going to spread the word to everybody about my experience.
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Reviewed in the United States on October 16, 2025
C
Verified Purchase
Cyn Fry
Houston, US
★★★★★ 5
Great little machine
Style: 88 oz & 5 Presets
I bought two! My sons love them!
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Reviewed in the United States on April 17, 2026
D
Verified Purchase
dan newman
Natrona Heights, US
★★★★★ 4
Yum
Style: 88 oz & 5 Presets
It is great !! It takes some practice, but that is ok
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Reviewed in the United States on February 10, 2026

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