Teldat V Installation Manual page 23

So the cellular interface is operative, the router must have the corresponding software
license incorporated.
Some cellular telephony technologies use the antenna diversity technique to improve the quality
of the received signal (HSUPA, CDMA EV-DO, etc.).
incorporates various WWAN connectors
When the Main and Aux 1 antennas are not installed directly connected to the router but through
extension cords, the minimum distance between the two of them must be 7cm. The maximum
recommended distance between the two is 25cm.
To achieve an optimum performance, the radio frequency accessories installed (antennas and
cables) should be those recommended by Teldat.
Teldat has a series of accessories available (90º mount antennas, antennas for exterior
installation, antennas ceiling installation, extension cables, etc) which allow you to install the
devices in different locations.
Placing the Antenna
The orientation of the antenna, its location with respect to other wireless devices or other
radiation sources such as communication devices, personal computers, etc can significantly
influence the performance level of the equipment.
The antennas transmit and receive radio signals.
environment factors such as the distance between the device and the base station, physical
obstacles and other interferences due to radiofrequencies (RF).
In order to receive better coverage, follow the instructions given below:
• Whenever possible, position the antenna in a place where there are no physical obstacles.
Obstacles between the antenna and the base station degrade the wireless signal. Place the
antenna above ground level and appropriately orientate it towards the nearest base
station.
F 16. WWAN A
IGURE
TELDAT V
– Installation Manual
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Due to this the Teldat V router
NTENNAS
This performance is also affected by
Doc.DM567-I
Rev.4.0