Industrial Automation Magazine India

QT-501- GSM/GPRS Intelligent Modem

Published on : Tuesday 30-11--0001

Salient Features:

• Low Cost and small size
• ABS Plastic Enclosure
• RS232 and RS485 ports for data acquisition
• Supports TCP / IP, HTTP, FTP and SMTP protocols for data communication - Customizable firmware
• Customizable firmware.
• Over the Air Firmware Upgrade.

Hardware Specification:

• GSM 850 / 900 / 1800 / 1900MHz GPRS Class 10
• Multi-slot class 10 (4 Down; 2 Up; max.5) Max BR Download 85.6 Kbps Coding Scheme CS1-CS4
• Low Power Consumption
• Operating Temperature: -40 to +85°C
• Sensitivity: -109dBm (850 / 900MHz), -108dBm (1800 / 1900MHz)
• 1 RS232 / TTL Port
• 1 RS485 / TTL Port
• 9-30V DC input power
• Sleep mode for low power consumption

Firmware Features:

• Supports standard and extended AT Commands or embedded application firmware
• Customizable firmware based on project requirements
• Communication of data to server on specific events or on configured intervals
• Storing and forwarding of data in case of communication failures
• Provision for implementing protocols like Modbus, DLMS or any other proprietary protocol and acquire data from one or more devices connected to RS232 or RS485 ports
• Standard firmware for Serial to Server communicaton HTTP/FTP/TCP and MQTT Protocols
• Facility to store mobile numbers in different groups for authorization and SMS alerts
• Configuration of parameters via serial port or remotely by SMS or from the Server
• Facility to go on low power mode when there is no communication and automatic wakeup on incoming communication, serial events or DI events
• Watchdog timer
• Over the air firmware update

Applications:

• MODBUS Data Acquisition and Communication from multiple clients
• Capturing Serila port Data and communication to server on HTTP/FTP/TCP and MQTT protocols
• Simple AT Command Modem applications

Contact:

QINN TECHNOLOGIES
Mobile: +919036 531185, +919886 64970.

Email  :[email protected]