User's Manual

Smart Machine Smart Decision
SIM7500A_User Manual_V1.00 2017-06-30
10
GSM/WCDMA
/LTE
RF FEM
GSM/
WCDMA/LTE PA
RF
Transceiver
Baseband
XO
19.2MHz
NAND
Flash
I2C
PCM
Interrupt
Status LED
USB
USIM
Power On
Reset
UART
GPIOs
ADC
LDO
VBAT
Sink Current Source
DDR
Main Antenna
Power
Management
Qualcomm
Chip
SMT Interface
WCDMA
/LTE
RF FEM
AUX Antenna
SYSTEM POWER
VBAT
GNSS RF
GNSS Antenna
Figure 1: SIM7500 series Block Diagram
1.4 Functional Overview
Table 2: General features
Feature Implementation
Power supply Single supply voltage 3.4～4.2V
Power saving
Current in sleep mode : <5mA
Radio frequency bands Please refer to the table 1
Transmitting power LTE: Class 3 (0.25W)
Data Transmission
Throughout
LTE Category 1: 10 Mbps (DL)
LTE Category 1: 5 Mbps (UL)
Antenna
LTE main antenna
LTE auxiliary antenna
SMS
MT, MO, CB, Text and PDU mode
SMS storage: USIM card or ME(default)
Transmission of SMS alternatively over CS or PS.
USIM interface Support identity card: 1.8V/ 3V
USIM application toolkit
Support SAT class 3, GSM 11.14 Release 98
Support USAT
Phonebook management Support phonebook types: DC,MC,RC,SM,ME,FD,ON,LD,EN
Audio feature
Support PCM interface
Only support PCM master mode and short frame sync, 16-bit linear data
formats