Stonex S850A GNSS Receiver – User Manual 26
Instrument Approval
Covers technical features of the equipment relatives to electromagnetic
emissions that can cause interference and disturbances to other instruments
(note like emc compatibility) or generate not correct functionalities of the
instrument itself. Approval is granted by the manufacturer of the equipment.
Some countries have unique technical requirements for operation in
particular frequency bands. To comply with those requirements, Stonex srl
may modified the equipment to be subjected to grant.
Unauthorized modification of the units voids already got approvals, the
warranty time and the operational licenses of the instrument.
UHF 410-470 MHz / 902.4-928 MHz Data transceiver
General Antenna Installation Warning
1. All antenna installation and servicing are to be performed by qualified
technical personnel only. When servicing the antenna, or working at
distances closer than those listed below, ensure the transmitter has been
disabled.
2. Typically, the antenna connected to the transmitter is a directional (high
gain) antenna, fixed-mounted on the side or top of a building, or on a tower.
Depending upon the application and the gain of the antenna, the total
composite power could exceed 90 watts ERP. The antenna location should be
such that only qualified technical personnel can access it, and that under
normal operating conditions no other person can touch the antenna or
approach within 0.6 meters of the antenna.
You can see below a table showing the Antenna Gain versus Recommended
Safety Distance:
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