8.2.6.3
External antenna
The external antenna is connected to the modem via the SMA connector.
The external antenna must fulfill the characteristics listed in the table below.
Antenna frequency range
Impedance
DC impedance
Gain (antenna + cable)
VSWR (antenna + cable)
Note: refer to chapter 10 for recommended antenna.
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Table 17: External antenna characteristics
Dual-band GSM 900/DCS 1800 MHz
50 Ohms nominal
0 Ohm
0 dBi
-10 dB
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