Quectel LTEOPENEVB-KIT

Quectel LTEOPENEVB-KIT is a comprehensive evaluation board hardware platform designed for developers to build, test, and debug applications using Quectel’s open-architecture (QuecOpen) cellular and Wi-Fi modules.

Quectel LTEOPENEVB-KIT Specifications:

Power Supply
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* Main DC Input: 4.5V to 5.5V (typically 5.0V DC).
* Battery Power (VBAT): 3.8V typical.

Module Compatibility
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* LTE Modules: EC2x series (EC21, EC25, EC20 R2.0, EC20 R2.1), BG96, and AG35.
* Wi-Fi Modules: FC20 series (FC20/FC20-N) and AF20.

Memory & Storage
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* On-Board Flash: SPI Flash and EEPROM.
* eMMC: Built-in storage device.
* Expansion Storage: Slots for one SD card and one TF (MicroSD) card.

Communication Interfaces
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* USB Interface: USB 2.0 supporting High-Speed (480Mbps), Full-Speed (12Mbps), and Low-Speed (1.5Mbps) modes. Used for AT commands, data transmission, firmware upgrades, and GNSS NMEA outputs.
* UART Interfaces: Three independent serial interfaces up to 1Mbps: COM (MAIN) for data, COM (DEBUG) for diagnostics, and COM (UART1) for extra serial data.
* SIM Card Support: Dual-voltage U(SIM) slot supporting 3.0V and 1.8V cards with automatic hardware insertion detection.

Audio Features
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* Digital Audio: Interface supporting ALC5616 and TLV320AIC3104 codec accessory boards.
* Analog Audio: Interfaces for external loudspeakers, earphones, and mobile handsets.