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Serial / RS232 / RS485 / RS422 / TTL Converter Products

USB Adapters - Fiber Optic Converters - Ethernet Converters

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  • RS232/RS485/RS422 Converters
  • Isolators and Suppressors
  • USB Adapters
  • Fiber Optic Media Converters
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All of SerialComm products were RoHS, FCC and CE tested and certified by a reputable, qualified and accredited testing laboratory. Certifying our products, assures our customers that we meet strict guidelines for compatibility, safety and standards compliance.

All our products are certified FCC and CE compliance certified. FCC and CE testing are extensive, time consuming and expensive. It is important that electrical products are FCC certified before they offered for sale in the United States and likewise CE certified before sold in the European Union.  The EMI/EMC standards and tests required for RCC and CE certifications are complicated and extensive and can be examined on our Compliance Declaration Webpage..

In addition, all our products are certified RoHS compliance certified. RoHS stands for the Restriction of use of Hazardous Substances. RoHS is a legal European Directive restricting the substance levels of Lead, Mercury, Cadmium and other hazardous materials. RoHS regulation is part of a growing wave of environmental laws being implemented around the world.

If conformance certificates are required please request them for validation purposes.

To get an idea of the complexities of these tests, we have provided a sample gallery of some lab setup photos that were taken from one of our test reports. SEE BELOW:


Radiated Emissions Test Setup (Semi Anechoic Chamber) Radiated Emissions Test Setup (O.A.T.S)
Conducted Emissions Test Setup Harmonic Current and Voltage Fluctuations and Flicker Test Setup
Electrostatic Discharge Immunity Test on Sample Product Electrostatic Discharge Immunity Test on Sample Product
Electrical Fast Transients (EFT) Immunity Test Setup Surge Immunity Test Setup
Conducted Immunity Test Setup Voltage Dips, Variations and Interruptions Immunity Tests


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FAX: 1-732-749-3598

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PO Box 1397
Wall Township, NJ 07719

10401 Venice Blvd. #502
Los Angeles, CA 90034

2006-2014 Copyright Protected - Sima S. Enterprises LLC - Terms & Conditions - Privacy Statement   -     Protected By Copyscape


We are a full service company offering the highest quality converters at a low price.



Quality Guarantee - SerialComm converters are low priced, high quality products and made to last a lifetime. They are manufactured in a ISO-9001 certified facility using surface mount technology with lead free components.  All converters are pretested prior to shipment and are fully guaranteed for 5 years.  There are no converters, Commercial or Industrial that surpass SerialComm's quality standards at any price tag. Satisfaction Guarantee - We offer a 100% 30 Day Money Back Guarantee which most companies do not offer.  If for any reason, you 're not satisfied with your purchase within 30 days, you can return it with no penalties.  We will return the full value of the order minus shipping costs. We do not reimburse express shipping fees.  We do not add restocking fees when returning a purchase within 30 days. Manufacturer's WarrantySerialComm offers a 5-year Workmanship Warranty.  We are so confident our product are built to last, within a 5 year period from the time of purchase, if a rare event of a malfunction should occur; we will replace your product for free.  Fill out our RMA form and we will issue you a RMA number for return of your product.   We do not issue refunds after 30 days of purchase. Express Shipping Guarantee - We specialize in shipping express orders on-time.  If FEDEX express shipping is selected before 6:30 PM E.S.T. and the items are in stock; we guarantee that we will get the order delivered to FEDEX on-time for the scheduled express delivery.  If we fail do to so, we will ship you the package the next day and credit you the full value of the order. (LIMITED TO $100 PER ORDER).  Please refer to our Terms for full details.

Free Worldwide Shipping - We offer FREE shipping with all SerialComm products with TRACKING!  Not just to the U.S., we ship our products worldwide for FREE.   Given availability of items, they are shipped the next business day with an ETA of 2-5 days for domestic and 5-15 days for International orders using USPS, FEDEX or DHL couriers.  Express Shipping is extra and shipped the same day ordered.


Sales & Technical Support -We offer sales and technical support by phone, live chat and email 24/7.  Our sales team  provides immediate customer support such as taking orders or assisting in expedited shipping requirements.  If you need technical help, an experienced Electrical Engineer can offer assistance.  Our technical support team can be an invaluable service which we provide for free.


Purchase Orders - We accept purchase orders as well as credit cards and PayPal. We understand that many companies prefer to issue purchase orders rather than using credit cards.  We accept purchase orders with NET 30 terms in most cases.    Not too many companies on the internet are willing to accept purchase orders but we do.  Purchase orders can be faxed or emailed.


Fully Certified - Certifying Data Communication Products is extremely important for compatibility, safety and standards compliance.  All of our products are fully certified and passed CE, FCC and RoHS compliance tests.  These certificates provide confidence that our products are the highest quality while also environmentally safe and compatible with other devices.