Electrical Description
INSYS GPRS mini
4.2
Antenna Connector
The antenna connector allows transmission of radio frequency (RF) signals
between the modem and an external customer-supplied antenna. The mo-
dem is fitted with a 50
Ω
, FME male coaxial jack.
Output Power:
2 Watt Peak (Class 4)
GSM 900/850 MHz
1 Watt Peak (Class 1)
GSM 1800/1900 MHz
Description of recommended antenna parameters:
The antenna that the customer chooses to use should fulfil the following re-
quirements:
Frequency range
GSM 850/900 MHz
GSM 1800/1900 MHz
Bandwidth
80 MHz in EGSM 900, 70 MHz if GSM 850,
Gain
< 3dBi
Impedance
50 ohm
Input power
> 33dBm (2W) peak power in GSM
VSWR recommended
< 2
4.3
SIM card reader
The INSYS GPRS mini is fitted with a SIM card reader designed for 1.8V and
for 3V SIM cards. It is the flip-up type which is lockable in the horizontal po-
sition and is accessed through a removable panel.
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