NEC Univerge SV9100, Hardware Manual

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Issue 1.2 UNIVERGE SV9100
5 - 106 Installing DT Series Digital and IP Multiline Terminals
7.2 Selecting a Location
Before choosing a location for your new telephone, consider these important
guidelines:

If multiple cordless terminals are installed, keep their Bluetooth cradles at
least 3.3 feet (1meter) apart from one another.

If the Bluetooth cradle is installed near a metal, concrete wall or any other
structure that could affect radio transmission, a communication failure might
occur.

Keep the Bluetooth cradle at least 9.8 feet (3 meters) apart from any of the
devices listed below. Be also careful not to get within 9.8 feet (3 meters) of
these devices when using the Bluetooth handset.

Microwave ovens

Wireless LAN access points (AP)

Medical apparatus

RFID (apparatus operating in the 2.4 GHz band)

Manufacturing equipment, such as plasma strippers (LSI manufacturing)

Electronic toll gates

Bluetooth devices