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L850-GL Hardware User Manual Page 14 of 54
2.5 Application Framework
The peripheral applications for L850 module are shown in Figure 2-1:
Module
SIM USB2.0
Power
Supply
ON/OFF# RESET#
Control
EINT Indicator
Host application
Main ANT
Div ANT
SIM
Card
PCIe USB3.0
Figure2-1 Application Framework
2.6 Hardware Block Diagram
The hardware block diagram in Figure 2-2 shows the main hardware functions of L850 module, including
base band and RF functions.
Baseband contains the followings:
GSM/UMTS/LTE FDD controller/Power supply
NAND/internal LPDDR2 RAM
Application interface
RF contains the followings:
RF Transceiver
RF Power/PA
RF Front end
RF Filter
Antenna Connector
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