Technical Data; Technical Data Of The M20 - Siemens M20 Terminal Technical Description

Siemens Information and Communication Products

15 Technical data

15.1 Technical data of the M20

Weight:
Output power:
Sensitivity:
Dimensions (max):
Volume:
Temperature range
Voltage supply:
Interfaces
GSM standards:
Environmental requirements:
MTBF value:
MMI board:
Remote control:
SMS:
Data services:
Version 8 dated 15.03.00
38 g
2 W peak (at the RF jack of the M20)
–108 dBm (at the RF jack of the M20)
LxWxH = 86.8 x 41.4 x 11.2 mm
3
31.6 cm
Storage temperature –40°C to +90°C
Thermostable –40°C to +80°C
Operation with voltage –20°C to +55°C
supply
Voltage supply on connection must NOT rise faster than 3V/msec.
Single voltage supply
All interfaces
GSM recommendations, phase II,
Extended requirements according to class "Normal mobile station"
According to IEC68.
192 years; fit according to 595
(at 25°C, stand-by time 12 h/d and 6 d/week, including 1/6 talking time)
Built-in MMI software, connectors for:
– DOT display (2 lines a 16 columns)
– 4 x 6 keypad matrix
– Base-unit power supply indicator
V.24/RS232 interface
Drive via serial interface by means of standard AT Hayes and AT Cellular commands to GSM
07.07 and 07.05 and a number of the most useful Siemens-defined AT commands
SMS MT, SMS MO in text and PDU mode, SMS cell broadcast
Transparent/non-transparent data:
2.4 kbit/s, 4.8 kbit/s, 9.6 kbit/s,
V.42bis data compression
Transparent fax: class 1 group 3
2.4 kbit/s, 4.8 kbit/s, 9.6 kbit/s
Dwell: 1 h, packaged
Temperature cycle: 10 cycles
Dwell: 2 h at T
Fully functional and retaining data
6.0 V + 0.2 V, arithmetic mean: I < 250 mA
(I < 2 A. pulsed t = 577µs, at T = 4.615ms)
80-pin SMD connector
Technical data
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