
Safety Information
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GPS RTK Base GPS Receiver User Guide
Exposure to radio frequency radiation
For 450 MHz radio
Safety. Exposure to RF energy is an important safety consideration. The
FCC has adopted a safety standard for human exposure to radio
frequency electromagnetic energy emitted by FCC regulated equipment
as a result of its actions in General Docket 79-144 on March 13, 1986.
Proper use of this radio modem results in exposure below government
limits. The following precautions are recommended:
• DO NOT operate the transmitter when someone is within 20 cm
(7.8 inches) of the antenna.
• DO NOT operate the transmitter unless all RF connectors are
secure and any open connectors are properly terminated.
• DO NOT operate the equipment near electrical blasting caps or in
an explosive atmosphere.
• All equipment must be properly grounded according to Trimble
installation instructions for safe operation.
• All equipment should be serviced only by a qualified technician.
For license-free 900 MHz radio
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CAUTION – For your own safety, and in terms of the RF Exposure
requirements of the FCC, always observe the precautions listed here.
• Always maintain a minimum separation distance of 20 cm
(7.8 inches) between yourself and the radiating antenna on the
radio-modem.
• Do not co-locate the antenna with any other transmitting device.
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900 MHz radios are not used in Europe.
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