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Highlights
GSM/GPRS/GPS Shield (B) is an Arduino shield based on the Quad-band GSM/GPRS/GPS module SIM808.
Arduino connectivity, compatible with UNO, Leonardo, NUCLEO, XNUCLEO
Onboard USB TO UART converter CP2102 for UART debugging
5 x LEDs for indicating the module working status
Onboard voltage level converter, supports both 3.3V and 5V systems
SIM card slot for 1.8V/3V SIM card
Baudrate auto detection (1200bps ~115200bps)
Bluetooth 3.0, supports data transferring through Bluetooth
RTC with power supply interface
Firmware upgradable via USB
Control via AT commands (3GPP TS 27.007,27.005, and SIMCOM enhanced AT Commands)
Supports SIM application toolkit: GSM 11.14 Release 99
Operating voltage: 6 ~ 12V
Operation temperature: -40 °C ~ +85 °C
Storage temperature: -45 °C ~ +90 °C
Specification
GSM/GPRS:
Band
GSM 850/EGSM 900/DCS 1800/PCS 1900 MHz
Quad-band auto search
Compliant to GSM phase 2/2+
Emitting power
Class 4 (2W @ GSM 850/EGSM 900 MHz)
Class 1 (1W @ DCS 1800/PCS 1900 MHz)
GPRS connectivity
GPRS multi-slot class 12 (default)
GPRS multi-slot class 1~12 (configurable)
GPRS data feature
Downlink speed: max 85.6kbps
Uplink speed: max 85.6kbps
Coding schemes: CS-1\CS-2\CS-3\CS-4
Supports PAP (Password Authentication Protocol) for PPP connection
Embedded TCP/IP protocol
Supports PBCCH
Supports CSD transmission speed: 2.4/4.8/9.6/14.4 kbps
Supports USSD
SMS
Supports: MT/MO/CB/Text/PDU mode
SMS storage: SIM card
Audio
Voice encode/decode mode: Half Rate\Full Rate\Enhanced Full Rate\Adaptive muti rate
Supports echo cancellation
Supports noise reduction
GPS:
Receiver type
22 tracking channels
66 acquisition channels
GPS L1 C/A code
Sensitivity
Tracking: -165 dBm
Cold starts : -148 dBm
Time-To-First-Fix
Cold starts : 30s (typ.)
Hot starts : < 1s
Warm starts: 28s
Accuracy
Horizontal position : <2.5m CEP
What's on Board
SIM808 module
MIC29302 power chip
CP2102: USB TO UART converter
SMF05C: TVS diode
1N5408: onboard rectifier
SIM808 functional pins
Arduino expansion connector
USB TO UART interface
DC power jack
GPS antenna connector
Bluetooth antenna connector
Firmware upgrade interface
GSM antenna connector
SIM card slot
3.5mm earphone/mic jack
GPS status indicator
CP2102 UART Tx/Rx indicator
NET indicator:
flashes fast when the module starts up
flashes slowly after GSM register succeed
Power indicator
Power switch
SIM808 control button: press the button and hold for 1s, to startup/shutdown the SIM808
Reset button
UART selection switch, select controlling the SIM808 via:
CP2102
UART pins of Arduino interface
SIM808 UART configuration:
SIM_TX: SIM808 UART TX
SIM_RX: SIM808 UART RX
IOREF power selection: configure the UART voltage level
Package Contents
GSM/GPRS/GPS Shield (B) x 1
GSM Antenna × 1
GPS External Antenna (B) × 1
Bluetooth Antenna × 1
9V power adapter × 1
USB type A plug to micro plug cable x 1
