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Wireless communications
IMPORTANT Notice
Due to the transmission and reception properties of wireless communications, data can occasionally be lost
or delayed. This can be due to the variation in radio signal strength that results from changes in the
characteristics of the radio transmission path. Although data loss is rare, the environment where you
operate the modem may adversely affect communications.
Variations in radio signal strength are referred to as fading. Fading is caused by several different factors
including signal reflection, the ionosphere, and interference from other radio channels.
Verizon Wireless or its partners will not be held responsible for damages of any kind resulting from the
delays or errors in data transmitted or received with the PC770 Card, or failure of the PC770 Card to transmit
or receive such data.
Safety hazards
Do not operate the PC770 Card in an environment that may be susceptible to radio interference resulting in
danger specifically;
Areas where prohibited by the law
Follow any special rules and regulations and obey all signs and notices. Always turn off the host
o
device and remove the modem from the card slot when instructed to do so, or when you suspect
that it may cause interference or danger.
Where explosive atmospheres may be present
Do not operate your modem in any area where a potentially explosive atmosphere may exist.
o
Sparks in such areas could cause an explosion or fire resulting in bodily injury or even death. Be
aware and comply with all signs and instructions.
Users are advised not to operate the modem while at a refueling point or service station. Users
o
are reminded to observe restrictions on the use of radio equipment in fuel depots (fuel storage
and distribution areas), chemical plants or where blasting operations are in progress.
Areas with a potentially explosive atmosphere are often but not always clearly marked. Potential
o
locations can include gas stations, below deck on boats, chemical transfer or storage facilities,
vehicles using liquefied petroleum gas (such as propane or butane), areas where the air contains
chemicals or particles, such as grain, dust or metal powders, and any other area where you
would normally be advised to turn off your vehicle engine.
Near Medical and life support equipment
Do not operate your modem in any area where medical equipment, life support equipment, or
o
near any equipment that may be susceptible to any form of radio interference. In such areas, the
host communications device must be turned off. The modem may transmit signals that could
interfere with this equipment.
On an aircraft, either on the ground or airborne
In addition to FAA requirements, many airline regulations state that you must suspend wireless
o
operations before boarding an airplane. Please ensure that the host device is turned off and your
modem is removed from the card slot prior to boarding aircraft in order to comply with these
regulations. The modem can transmit signals that could interfere with various onboard systems
and controls.
PC770 Card Product User Guide
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