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IMPORTANT NOTES
D When using the GPS receiver
• The GPS antenna is attached to the RF unit's
top panel. Therefore, when the GPS receiver is
activated, do not cover the antenna with anything
that will block the satellite signals.
• GPS signals cannot pass through metal objects.
When using the transceiver inside a vehicle, you
may not receive GPS signals. We recommend you
use it near a window.
• The Global Positioning System (GPS) is built and
operated by the U.S. Department of Defense.
The Department is responsible for accuracy and
maintenance of the system. Any changes by the
Department may affect the accuracy and function of
the GPS system.
• The GPS receiver may not work if used in the
following locations:
- Tunnels or high-rise buildings
- Underground parking lots
- Under a bridge or viaduct
- In remote forested areas
- Under bad weather conditions
(rainy or cloudy day)
D Electromagnetic Interference
When using the transceiver in the 2.4 GHz or 5.6 GHz
band, pay attention to the following:
These bands are also used by other devices, such as
Wireless LAN products, Bluetooth devices, microwave
ovens, RFID systems, and so on.
When using this device near such devices,
interference may occur, causing a decrease in
communication speed, and an unstable connection.
In such cases, use this device away from the other
devices, or stop using those devices.
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