Hardware Development Guide of Module Product
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Note: 1. Test condition: The value is measured in Max. transmit power.
Note 2: Testing condition: The value is measured in transmit power of 0dBm and band of WCDMA 2100MHz.
Note 3: Testing condition: The value is measured in cell power of -75dBm and DRX=640.
Note 4: NA means unrelated.
2.3
Function Overview
2.3.1
Baseband Function
The baseband part of ZM5202 mainly includes the following signal groups: USB
signal, (U)SIM card signal, wakeup signal, working status indicator signal, UART
signal, SD interface signal, I2C interface signal, module power-on/resetting signal,
SPI, main antenna interface, AGPS antenna interface and power-supply interface.
Figure 2-3 is a diagram of the system connection structure.
Figure 2-3 System Connection Structure
Main Antenna
LGA HSDPA
Wireless module
USB
SIM card
POWER
GND
I2C
UART
SD
Wakeup and
Status
Indication
AGPS Antenna
SPI
2.3.2
Radio Frequency Function
The radio frequency function of ZM5202 can be viewed from the aspect of
over-the-air wireless bearer network, frequency band, whether the receive diversity
feature is supported, and the GPS function.
1. Support WCDMA 850(900)/1900/2100MHz;
2. Support GSM/EDGE/GPRS 850/900/1800/1900 MHz;
