Keyestudio Dot Matrix 8x16 LED Board With PH 2.54 Connector +4Pin Cable KS0357
This GPRS/GSM Arduino expansion board by Keyes is designed for wireless communication, supporting EGSM 900MHz, DCS 1800MHz, GSM850MHz, and PCS 1900MHz frequencies. It integrates GPRS, DTMF, and other functions, offering remote control capabilities through DTMF feedback. It is controlled via AT commands, and can be used with Arduino or through a computer serial port. The board features the stable SIM800H chip for reliable performance.
The Keyes GPRS/GSM Arduino Expansion Board is an advanced shield module supporting multiple GSM frequencies including EGSM 900MHz, DCS 1800MHz, GSM850MHz, and PCS 1900MHz. It integrates a variety of functions, such as GPRS and DTMF, enabling remote control features through DTMF feedback. When the DTMF function is enabled, you can receive character feedback based on the button pressed during a call, allowing for convenient remote control of devices.
The board is controlled through AT commands, making it easy to interact with via a computer serial port or Arduino motherboard. It includes a SIM800H chip, known for its reliability and stability, ensuring efficient communication. This GPRS Shield is compatible with various applications, making it suitable for IoT projects, remote monitoring, and control systems.
Specification:
- Power Supply: 6-12V
- Low Power Consumption Mode: Current is 0.7mA in sleep mode
- Low Battery Consumption: 100mA @ 7V in GSM mode
- GSM Frequencies: 850/900/1800/1900 MHz
- GPRS Multi-Slot: Class 1 ~ 12
- GPRS Mobile Station: Class B
- GSM Standard: Phase 2/2+
- Transmission Class: Class 4 (2W @ 850/900 MHz), Class 1 (1W @ 1800/1900 MHz)
- Control: Via AT command
- USB/Arduino Control Switch: Yes
- Baud Rate Adaptation: Yes
- DTMF Support: Yes
- LED Indicators: Displays power supply status, network status, and operating mode