IMPORTANT NOTICE FOR OWNERS OF RTK GPS EQUIPMENT AND ROBOTIC TOTAL STATIONS REGARDING
FEDERAL COMMUNICATIONS COMMISSION (FCC) LICENSING OF RADIO EQUIPMENT

Dear Valued Customer,
Trimble would like to bring to your attention a recent change to the FCC rules that may require you to act.
This change applies to the bandwidth and channel spacings used in the class of radio transmitters
included in your product. The FCC intends this change in radio bandwidth to lead to more efficient use of
the radio spectrum. If you have one of the following systems in the U.S., this change may apply to you:
- Real-Time Kinematic (RTK) GPS Systems
- Robotic Total Stations
How to Know if this FCC Change Applies to You
If your RTK GPS base station radio or Robotic Total Station uses a transmitter in the 421-512 MHz
frequency bands with a 25 kHz bandwidth (channel spacing) then the FCC Part 90 regulation change
applies to you.
For convenience, the following is a partial list of resources on license applications:
- Professional Licensing Consultants, Inc.
Attn: Josie Lynch
Ph: 301-309-2380
-Atlas License Company
Attn: Linda Simons
Ph: 800-252-0529
Fax: 866-351-4870
www.alcds.com
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