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3. Technical Brief
3. Technical Brief
3.1. General Description
The RF platform of GU280 supports two different communication modes (WCDMA/GSM modes)
including five communication bands (W2100/W850/GSM850/GSM900/GSM1800/GSM1900).
The all the RF blocks can be divided into three main parts, which are a WCDMA part, a GSM, and
a Antenna switch module.
The simplified block diagram is shown in Figure 1.1.1
Figure 1.1.1 Block diagram of RF part