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3. Technical Brief
3. TECHNICAL BRIEF
BL42K
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3. TECHNICAL BRIEF
3.1. GENERAL DESCRIPTION
The RF platform of BL42K supports two different communication modes (WCDMA/GSM modes) including
five communication bands (W2100/W850/GSM900/GSM1800/GSM190). The all the RF blocks can be divided
into three main parts, which are a WCDMA part, a GSM, and an antenna switch Mode.
The simplifed block diagram is shown in Figure 1.1.1i
[Figure 1-1] Block diagram of RF part