NextG Phone Antennas
Click Here to go to Mobile One's Range of NextG Antennas
Mobile One NextG antennas are designed for NextG/GPRS/3G, 850MHz + 1900MHz + 2100MHz
All of the antennas below are suitable for computer pcmcia modem devices (you need a patch lead)
(The old CDMA band)
|
A patch lead is required in order to attach your phone to an external antenna, This
patch lead is a special cable that is dedicated to
your particular model phone
and should be available where
you purchase your mobile phone. If you cannot obtain a suitable patch lead contact us on 0246556677 we may be able to direct you to a source. |
The
external antenna uses a female FME connector that connects directly
to your patch lead which in turn connects to your mobile
phone. The antenna needs to be connected directly to the phone
in order to get the best performance. If your phone antenna connection is through
a hands free cradle and that cradle uses "induction
through the cradle" ie:
the patch lead is not connected directly to the phone then it will not work well or if your phone has the patch lead connected
to the top where the internal antenna is located then it will not perform well. Feel free to call me on 02-46556677 9am to 5pm Mon to Fri if you need help. |
1. Keep the coax as short as possible. |
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Supplied with the antenna is an adapter, this adapter is usually attached to the end of the coax and can be easily removed by unscrewing of the fme crimp connector. These adapters are to connect to various car kits and other devices and are often just discarded, however there is often a situation where the adapter you have been supplied is not suitable for your installation. Now and then there can be confusion regarding the connectors, if so give us a call or e-mail us. |
Some Do's & Don'ts regarding phone antennas
Do - |
Use
a NextG/3G antenna for a NextG/3G phone and a GSM/3G
antenna for a GSM phone. Multi band antennas do not perform as good as single band antennas. |
Do - |
Use
a spring if mounted on a bull bar - Some
bull bars are ok but some can vibrate severely The spring is important to absorb the vibration from the engine otherwise the antenna will eventually fail but it extremely important that you use the correct spring in the right position. if you don't do this the antenna will eventually fall apart or worst damage your transceiver |
Do - |
Place
the antenna high as possible - The
higher the better the performance The higher the gain the higher the antenna should be mounted, High gain antennas in low areas will not work well. |
Don't
- |
Use extension leads unless absolutely necessary eg:Base Station applications |
Don't
- |
Mount
the antenna along side any metal object - As
far away as possible or practical Any metal object will absorb the radiation from the antenna, greatly reducing its performance, you should try for at least one metre distance |
Don't
- |
Concern
yourself with earthing the base - It
makes no difference to performance Earthing the base has no effect and will not improve performance |
Please NOTE all mobile phone antennas are DC grounded and will show zero resistance when tested at the connector.
The best way of installing a
phone antenna is off the front passenger side of the vehicle using
a Z Bracket rather than on the bull bar. Z brackets absorb vibration from the engine, also the antenna is often higher and you can utilize a shorter run of cable. If at all possible you should cut the cable to the required
length and terminate with a new FME connector but keep in mind that once the cable is cut it cannot be
effectively lengthened again. |
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