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The GPS module (Model: ST-91-U7) uses ublox 7 chipset which is high performance u-blox 7
multi-GNSS(GPS, GLONASS, QZSS, SBAS – Galileo and Compass ready) position engine delivers
exceptional sensitivity and acquisition times.
Features
* Ublox 7 high performance and low power consumption GPS Chipset
* Very high sensitivity (Tracking Sensitivity: -162dBm)
* Extremely fast TTFF (Time To First Fix) at low signal level
* Two serial port: UART, I2C
* Built-in LNA
* A-GPS Support
* Exceptional jamming immunity
* Support NMEA 0183 and ublox binary protocol
* Channels: 56
* Available Baud: 9,600 bps
* The antenna band is 1575.42MHZ; Voltage: 3.0-5.0V
Pin
Signal
Description
Pin
Signal
Description
1
GND
Ground
2
GPS_UART3_RX
UART3 receive
3
GPS_UART3_TX
UART3 transmit
4
NC
Not connect
5
NC
Not connect
6
VCC_RTC
Backup voltage
supply
7
GPSVDDIO
IO Supply Voltage
8
VDD_GPS
Supply voltage
9
GPSRST
Reset
10
GND
Ground
11
GPS_RFIN
GPS signal input
12
GND
Ground
13
NC
Not connect
14
RFVCC
Output Voltage RF
section
15
NC
Not connect
16
NC
Not connect
17
NC
Not connect
18
NC
Not connect
2.13 WiFi&Bluetooth (U11)
AP6210 is a low-power consumption module which has incorporated Wi-Fi and Bluetooth into one chip.
The module complies with IEEE 802.11 b/g/n standard and it could achieve up to a speed of 72.2Mbps
with single stream in 802.11n draft, 54Mbps as specified in 802.11g, or 11Mbps for 802.11b to connect to
the wireless LAN. The integrated module provides SDIO interface for WiFi, UART / PCM for Bluetooth.