Rainbow Electronics MG260 - Manual (Page 17)

MG260 Product Specification
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Figure1: Functional architecture
1.5.2 RF architecture
The RF part of MG260 have separate RF front-ends for GSM/GPRS
and GPS.
1.5.2.1 GSM RF architecture
Figure 2: GSM/DCS RF front-end
The GSM/DCS Radio Frequency part is based on two specific dual band chips including:
GSM Transceiver:
z Low-IF Receiver,
z Dual RF (Radio Frequency) synthesizer,
z Digital IF to Baseband Converter,
z Offset PLL (Phase Lock Loop) transmitter.
Power Amplifier:
Dual band Power Amplifier with controller and integrated antenna switch.