Knowledgebase

RF Modules

Frequently asked questions about Linx RF modules.

OEM Products

Frequently asked questions about Linx OEM products.

Antennas and Connectors

Frequently asked questions about antennas and connectors.

FCC

Frequently asked questions about the US Federal Communications Commission (FCC) regulations and approval process.

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    • RF Modules
      • Can multiple transmitters be used in proximity?
      • Which is the best frequency to use for my application: 315MHz, 418MHz, 433.92MHz, or 900MHz?
      • Which RF modules have the longest range?
      • Which products are FCC precertified?
      • Can I use a high gain antenna to extend the range of Linx RF modules?
      • Why is the type of data to be sent important when selecting a module?
      • Can the transmitters and receivers be used to make a transceiver?
      • Which module should I use for my application?
      • How can I extend the range of Linx RF modules?
      • Don't I need the LR transmitter to get the 3,000 foot range?
      • How can I power the ES series transmitter with 5 volts?
      • Can I use the LR receiver to extend the range of my OEM transmitter?
      • The DATA line of the LR receiver seems to switch randomly when the transmitter is not on.
      • Does Linx supply samples or donations to educational institutions?
      • What is multipath?
      • Any plans for a 2.4GHz module?
      • Why does Linx require the purchase of an evaluation kit prior to selling the modules?
      • Can a relay be controlled with Linx RF modules?
      • Does Linx have sockets for the surface mount modules so that they can be mounted onto a protoboard without being soldered?
      • Can the modules be potted?
    • OEM Products
      • Can multiple transmitters be used in proximity?
      • Which products are FCC precertified?
      • How do I set the address for my OEM transmitter and OEM receiver?
      • What is the data structure of the keyfobs and handhelds?
      • Which receiver do I need to use with the keyfobs and handhelds?
      • Can I put my company's logo or custom markings on your OEM products?
    • Antennas and Connectors
      • What does the ground plane have to do with the antenna?
      • Are Antenna Factor antennas matched to 50 ohms?
      • How can I tell the frequency of an Antenna Factor antenna?
      • Can I put my company's logo or custom markings on your antennas?
      • What is a reverse polarity (RP) connector?
    • FCC
      • How much does FCC certification cost?
      • What does FCC certification involve? How complicated is it and how long does it take to complete?
      • Is there a list of FCC authorized test laboratories so that I may find one in my area?
      • Do I or my customer need a license to operate a wireless link?
      • Where can I obtain a copy of the FCC rules and regulations?
      • How close to the products tested are production units required to be?
      • Where can I look up information on equipment if I know the FCC ID#?
      • What if my intended use or application does not seem to have been clearly addressed by the FCC?
      • What if my application is denied and I don't think the FCC correctly understood my product?
      • Does the receiver need to be FCC certified?
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