2. ELECTRICAL DESCRIPTION
31
LZT 123 7468 R1A
2.3 Antenna Connector
The antenna connector allows transmission of radio frequency (RF)
signals between the modem and an external customer-supplied antenna.
The modem is fitted with a 50
Ω,
FME male coaxial jack as shown
below.
The table below shows the antenna electrical characteristics:
Parameter
Limit
Description
Nominal impedance
50
Ω
(SWR better than
2.5:1)
Output Power
0.8 Watt peak (Class 5)
GSM850
1 Watt peak (Class 1)
GSM1900
Static Sensitivity
Better than –102dBm
GSM850
Better than –102dBm
GSM1900
GND
RF Signal
Содержание GM28
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Страница 11: ...Product Photo Illustration Part 1 Overview...
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Страница 23: ...Product Photo Illustration Part 2 Integrating the Modem...
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Страница 51: ...7 FCC CERTIFICATE 51 LZT 123 7468 R1A 7 FCC Certificate...
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Страница 53: ...Product Photo Illustration Part 3 Using AT Commands...
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