Feature

Implementation

General

Incorporates MC55i module

The MC55i module handles all processing for audio, signal and data within the MC55i Terminal. Internal software runs the application interface and the whole GSM protocol stack.

Frequency bands

Quad band: GSM 850/900/1800/1900MHz

GSM class

Small MS

Output power (according to Release 99, V5)

Class 4 (+33dBm ±2dB) for EGSM850

Class 4 (+33dBm ±2dB) for EGSM900

Class 1 (+30dBm ±2dB) for GSM1800

Class 1 (+30dBm ±2dB) for GSM1900

The values stated above are maximum limits. According to Release 99, the maximum output power in a multislot configuration may be lower. The nom­inal reduction of maximum output power varies with the number of uplink timeslots used and amounts to 3.0dB for 2Tx.

GSM / GPRS features

Data transfer

GPRS:

Multislot Class 10

Full PBCCH support

Mobile Station Class B

Coding Scheme 1 – 4

CSD:

V.110, RLP, non-transparent

2.4, 4.8, 9.6, 14.4kbps

USSD

PPP-stack for GPRS data transfer

SMS

Point-to-point MT and MO

Cell broadcast

Text and PDU mode

Storage: SIM card plus 25 SMS locations in mobile equipment

Transmission of SMS alternatively over CSD or GPRS. Preferred mode can be user defined.

Fax

Group 3; Class 2 and Class 1

Software

AT commands

Hayes 3GPP TS 27.007, TS 27.005, Cinterion