Stonex S900
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GNSS Receiver – User Manual 48
9.5 Bluetooth/Wi-Fi radio Module
The radiated output power of the internal Bluetooth module of this equipment is far below the FCC and EU
radio frequency exposure limits. In any case, be sure to use the equipment with the radio far at least 20 cm
from the human body. The Bluetooth module matches the guidelines found in radio frequency “safety standards
and recommendations “published by Scientific organizations.
Stonex Srl, therefore, believes the internal wireless radio is safe for use by end users. The level of energy emitted
is far less than the electromagnetic energy emitted by wireless devices such as UMTS phones. However, the
use of Bluetooth/Wi-Fi may be restricted in some special situations or places, like aircraft, hospitals, etc. If you
are unsure of the existence of restrictions, you should ask for authorization before switching on the Bluetooth
radio.
9.5.1 Recommendation for installing antennas for internal radios
UHF Antennas having a gain greater than 5 dBi, are strictly prohibited for use with this device. The required
antenna impedance must be 50 ohms.
CAUTION
For your safety, and to match the RF Exposure requirements of the FCC, always observe these precautions:
• Always maintain a minimum separation distance of 20 cm (7.8 inches) between yourself and the
radiating antenna.
• Do not collocate (place within 20cm) the radio antenna with any other transmitting device.
• Do not switch on the GSM or UHF module without the antenna mounted to the external connector.
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