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Product features
©2001 Nokia Mobile Phones. All rights reserved. 9
2. Product features
GSM terminal
The GSM terminal features a dual band transceiver with built-in data capabili-
ties, a SIM card reader, an antenna, a RS-232 data connector, a power supply
and an application interface connector. The GSM terminal provides access to the
data functionality of the GSM system including Short Message System (SMS)
and High Speed Circuit Switched Data (HSCSD). The GSM terminal provides the
subscriber data transmission, one connection at a time.
The Nokia 22 supports only small size SIM
cards. The SIM card should have the PIN
code request activated.
GSM terminal basic features:
• Dual Band GSM 900 MHz & GSM 1800 MHz
• Voice codecs EFR, FR, HR
• PC fax support
• HSCSD (High Speed Circuit Switched Data)
• V24 interface with auto baud rate
• Data compression (V42 bis)
• Mobile Originated and Mobile Terminated SMS with the help of AT
commands
• SIM lock support
• ETS GSM 07.07 and 07.05 compatible AT command set
• GSM Phase 2+ supplementary services