GSM/GPRS/GNSS HAT IC Test Board

Overview

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

• Standard Raspberry Pi 40PIN GPIO extension header, supports Raspberry Pi series boards
• 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)

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-1CS-2CS-3CS-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 RateFull RateEnhanced Full RateAdaptive 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^oC ~ 85^oC
• Storage temperature: -45^oC ~ 90^oC
• Dimensions: 30.2mm x 65mm

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