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may be as hot as 150 degrees inside your
vehicle . These high temperatures will
NOT damage the Signal Booster, nor do
they pose a fire risk to the vehicle. Again,
be sure to place your Signal Booster in a
location with adequate ventilation and away
from direct sunlight or moisture .
Troubleshooting &
Understanding Lights
The lights on the top of the Signal Booster
indicate whether the system is working
or if there are problems . The light on the
left is the power light . The other two lights
indicate the operation of 800 MHz and
1900 MHz signals, respectively . Take the
following steps based on the indicator light
color when using the Signal Booster .
Lights off: If the lights are not on:
• Check connections on the power
supply to see that it is firmly plugged
into both the Signal Booster and the
power source .
• If using a DC power supply in your
vehicle, ensure the power supply is
properly inserted . Then check the
12 volt power from the car socket
and the fuse . Replace the fuse if
necessary .
Red light: A red light indicates oscillation is
occurring . Oscillation is similar to feedback
between a microphone and speaker . When
oscillation occurs, the Signal Booster will
power down to protect the cell tower . To
eliminate oscillation, the Outside Antenna
needs to be moved farther from the Inside
Antenna . Move the Outside Antenna on the
roof to the rear of the car, but at least 8 to
12 inches from the rear or side windows .
Disconnect the power from the Signal
Booster, then reconnect the power to reset
the Signal Booster .
Move to
rear of car
Need help?
Disconnect
the power
www.WilsonElectronics.com
Blinking Red: If one or more of the lights
on the Signal Booster are blinking red,
this means that the Signal Booster has
shutoff due to close proximity to the mobile
device . Increase the distance between the
mobile device and the Inside Antenna until
the light is no longer flashing red. Contact
Wilson Electronics Technical Support Team
for assistance .
Green light: A green light indicates the
MobileMaxx 3G Signal Booster is working
properly .
If you have additional questions about
the operation of your MobileMaxx 3G
Signal Booster, please contact the Wilson
Electronics technical support team at
866-294-1660 or email
tech@wilsonelectronics .com .
Additional FAQ:
What hours can I contact tech support?
Technical Support can be reached from 7:00am
to 6:00pm MST, by calling (866-294-1660), or by
email, at tech@wilsonelectronics .com
How does weather affect the performance of
my outside antenna?
Water vapor (e .g . rain, fog, snow or other
precipitation) creates an effective filter to cellular
signal . In times of heavy precipitation, you may
see less performance .
What's the difference between the 800 MHz
and the 1900 MHz bands? How do I know
which MHz band my cell phone uses?
The MobileMaxx 3G works with all major North
American cellular providers on the 800 & 1900
MHz frequencies . Traditionally, 800/1900MHz are
associated with voice and 3G data; while 700MHz
and 1700/2100MHz are associated with 4G data .
Carrier Frequency Use
We recommend visiting www .wirelessadvisor .com
(United States) or http://bit .ly/1mQf2Gl (Canada)
for information regarding the frequency band
used by your cell service provider in a specific
geographical location .
Tech Support 866-294-1660
Mon.- Fri. Hours: 7 am to 6 pm MST
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