User guide

EG_GenPro30e_1006_UG_002_UK Page 32 / 37
Descriptions and non-contractual illustrations in this document are given as an indication only.
ERCO&GENER reserves the right to make any modifications.
8.2.2 SIM interface
Table: Characteristics of the SIM card supply tension
8.2.3 RF characteristics
8.2.3.1 RF functioning
The RF functioning complies with the ETSI GSM Phase 2+ standards.
The RF performances for the receiver and the transmitter are described hereunder.
Table: Parameters of the RF receiver and transmitter
8.2.3.2 External antenna
The external antenna must be connected to the modem via the SMA/M connector.
The external antenna must have the characteristics described in the table hereunder.
Table: Characteristics of the external antenna
Note : see chapter 10 for the GSM antennas recommended by ERCO & GENER.
SIM Card 3 V or 1.8 V
Conducted Rx
Sensitivity (dBm)
Band
Frequencies
(MHz)
Typical Maximum
Conducted Transmit
Power (dBm)
GSM 850
(2%) CS
Tx: 824-849
Rx: 968-894
-107.5 -106
+32 ± 1 (GSMK)
+27 ± 1 (8PSK)
EGSM 900
(2%) CS
Tx: 880-915
Rx: 925-960
-107.5 -106
+32 ± 1 (GSMK)
+27 ± 1 (8PSK)
DCS 1800
(2%) CS
Tx: 1710-1785
Rx: 1805-1880
-106.5 -105
+29 ± 1 (GSMK)
+26 ± 1 (8PSK)
PCS 1900
(2%) CS
Tx: 1850-1910
Rx: 1930-1990
-106.5 -105
+29 ± 1 (GSMK)
+26 ± 1 (8PSK)
Band I UMTS 2100
(0.1%) 12.2Kbps
Tx: 1920-1980
Rx: 2110-2170
-110.5 -109 +23 ± 1
Band II UMTS 1900
(0.1%) 12.2Kbps
Tx: 1850-1910
Rx: 1930-1990
-110.5 -109 +23 ± 1
Band V UMTS 850
(0.1%) 12.2Kbps
Tx: 824-849
Rx: 968-894
-111.5 -110 +23 ± 1
Frequency band 850/900/1800/1900/2100 MHz
Impedance 50 Ohms nominal
DC impedance 0 Ohm
Gain 0 dBi in a minimum direction
VSWR (Rx max TX max) 1.5:1
Polarization Linear