Topex MobiLink ISDN 2 GSM, Руководство пользователя

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TOPEX MobiLink ISDN2GSM User`s Manual
18
3.5. Installing the external antennas
MobiLink ISDN 2 GSM features two RF connectors on top, for
connecting the antennas for the wireless network. You may use:
□
the wideband antenna supplied with the package, with cable
and magnetic base (see below characteristics)
□
or other kinds of external antennas with higher gain or
directivity (Yagi), if the need arises.
The following table shows the main characteristics of the dual-band
stick antennas with magnetic base (currently supplied with the
MobiLink ISDN 2 GSM package).
Frequency bands
GSM 890-960 MHz
PCN 1710-1880 MHz
PCS 1850-1990 MHz
Gain 2 dBi
Polarization Vertical
Base Magnetic,
2,8cm
Cable Type RG174, length 2,5 m
Connector Female FME
The two antennas must be threaded to the FME male connectors
located on top of the MobiLink ISDN 2 GSM unit, as shown in the
following drawing.
Figure 3-4 Connecting external antennas.