900ISM
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- 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 |
