Nokia 22 Cell Phone User Manual


 
Technical specifications
©2001 Nokia Mobile Phones. All rights reserved. 36
7. Technical specifications
GSM terminal
Dual Band GSM 900/1800
Transmitting power max 2.0 W (GSM 900), 1.0 W (GSM 1800)
HSCSD multi-slot data (up to 43.2 kbps)
Small-size SIM cards supported
D9 female connector for RS-232
Power input range:
Nominal 7.2 V DC
Absolute min. 6.5 V DC
Absolute max. 15.6 V DC
Application module
Trunk interface:
Line voltage 50 V
Ringing voltage 48 V
Line impedance 600 Ohm
Extension interface:
Off-hook AC impedance 600 Ohm
On-hook AC impedance 150 kOhm
On-hook DC resistance 10 MOhm
Loop DC current min 15 mA, max 120 mA
Terminal data transfer modes
The GSM terminal supports non-transparent and transparent data connections
(HSCSD in non-transparent mode only).