Beschreibung
Beschreibung
This is a handy, low power Raspberry Pi HAT which features multi communication functionalities: GSM, GPRS, GNSS and Bluetooth.
It allows your Pi to easily make a telephone call, send messages, connect to wireless Internet, global position, transfer data via Bluetooth, and so on.
Features
General
- Raspberry Pi connectivity, compatible with Raspberry Pi 2B/3B/3B+/Zero/Zero W
- Supports SMS, phone call, GPRS, DTMF, HTTP, FTP, MMS, email, etc.
- Support GPS, COMPASS, Glonass, LBS base station positioning, omni-positioning
- Bluetooth 3.0, supports data transferring through Bluetooth
- Onboard USB TO UART converter CP2102 for UART debugging
- 6x LEDs for indicating the module working status
- SIM card slot for 1.8V/3V SIM card
- RTC with backup battery holder
- Baudrate auto detection (1200bps ~115200bps)
- Control via AT commands (3GPP TS 27.007, 27.005, and SIMCOM enhanced AT Commands)
- Supports SIM application toolkit: GSM 11.14 Release 99
- Comes with development resources and manual (examples for Raspberry Pi/Arduino/STM32)
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
- Supports PBCCH
- 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
GNSS
- Receiver type
- 33 tracking channels
- 99 acquisition channels
- GPS L1 C/A code
- Sensitivity
- Tracking: -165 dBm
- Cold starts : -148 dBm
- Time-To-First-Fix
- Cold starts : 28s (typ.)
- Hot starts : < 1s
- Warm starts: 26s
- Accuracy
- Horizontal position : <2.5m CEP
Bluetooth
- Integrates AT commands
- Compliant to Bluetooth specification3.0 + EDR
- Supports SPP, OPP, HFP/HSP, etc.
Misc
- Operating voltage: 5V
- Operating temperature: -40°C ~ 85°C
- Storage temperature: -45°C ~ 90°C
- Dimensions: 30.2mm x 65mm
What's on Board
- SIM868 module
- ZMM5V1: regulator diode
- SMF05C: TVS diode
- CP2102: USB TO UART converter
- MP1482: power chip
- NDC7002N: voltage level translator
- GPS status indicator
- NET indicator:
- flashes fast when the module starts up
- flashes slowly after GSM register succeed
- STA module working status indicator
- SIM868 UART Tx/Rx indicator
- Power indicator
- SIM868 control button: press the button and hold for 1s, to startup/shutdown the SIM868
- Raspberry Pi GPIO connector
- SIM card slot
- USB TO UART interface
- 3.5mm earphone/mic jack
- GNSS antenna connector
- Bluetooth antenna connector
- GSM antenna connector
- CR1220 battery holder: for RTC backup battery
- UART selection switch
- A: control the SIM868 through USB TO UART
- B: control the SIM868 through Raspberry Pi
- C: access Raspberry Pi through USB TO UART
Resources
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