900ISM

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900ISM

  • The 900 ISM (Industrial, Scientific, and Medical) band is a allocation of frequencies by the FCC for use on a low power, interant, license free operation.
  • They are typically FHSS (Frequency Hopping Spread Spectrum).
  • They fall under FCC parts 18 and part 15, and are subject to interference from Federal agencies, and amateur radio.
  • Users must also not cause harmful interference to the users above.

  • A complete guide to the use of ISM from the FCC is located here.(PDF).


Band Limits

  • The 900 ISM band operates from 902.0000 to 928.0000 MHz. Motorola radios operate 50kHz spacing. (See specs here. PDF)


Known Users

User City State Wiki Page
Reference/Confirmation
Best Western Hotel & Conference Center Marlboro MA Business Radio Systems
Beth Israel Deaconess Hospital Milton MA Massachusetts Hospitals
NH Liquor & Wine Outlet Multiple NH New Hampshire Malls and Shopping Centers
Costco Wholesale Nashua NH New Hampshire Malls and Shopping Centers