User's Manual

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L850-GL Hardware User Manual Page
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2.6 Hardware Framework
The hardware framework 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
Figure 2-2 Hardware Framework
3 Application Interface
3.1 M.2Interface
The L850 module applies standard M.2 Key-B interface, with a total of 75 pins.