Need help?Do you have a question about the Quectel EC20 and is the answer not in the manual?
Safety precautions for operating and servicing the cellular terminal or mobile. Avoid accidents and interference.
Overview of the EC20 Mini PCle module's capabilities, network support, and applications.
Details on different EC20 Mini PCle product variants (e.g., EC20-E, EC20-A) and their features.
Detailed technical features and specifications including interface, power, transmitting power, and LTE capabilities.
Block diagram illustrating the EC20 Mini PCle module's internal structure, interfaces, and connections.
Overview of the EC20 Mini PCle's physical connections and signal levels, complying with CEM specifications.
Information on the EC20 Mini PCle's overall interface specifications, including power, SIM, USB, UART, etc.
Defines the IO parameters and types (IO, DI, DO, OC, OD, PI) used in the EC20 Mini PCle interface.
Details the pin configuration and function for the 52-pin EC20 Mini PCle module and antenna connectors.
Specifies the VCC_3V3 and GND pin definitions and provides a reference design for the power supply.
Describes the USIM card interface pin definition, voltage support, and reference circuit design.
Details the USB interface pin definition, compliance with USB 2.0, and its usage for communication and data.
Explains the UART interface pin definition, supported baud rates, and DCE-DTE connection.
Defines the PCM and I2C interface pins for audio codec design, including timing modes.
Defines various control signal pins (RI, DTR, W_DISABLE#, PERST#, LED_WWAN#) and their functions.
Details the different antenna interfaces (LTE/UMTS, GNSS) and RF connector types used.
Outlines the electrical and radio characteristics covered, including power, IO, current, RF, GNSS, and ESD.
Specifies the input voltage range (3.3V±9%) and power supply requirements for the module.
Details the input and output voltage levels (VIH, VIL, VOH, VOL) for the module's IO pins.
Provides data on conducted RF output power and receiving sensitivity across various frequency bands.
Describes the integrated GNSS receiver supporting GPS and GLONASS, and its AT command configuration.
Lists the Electrostatic Discharge (ESD) characteristics for power supply, antenna, USB, and USIM interfaces.
Introduces the mechanical dimensions of the EC20 Mini PCle module and related standards.
Provides detailed mechanical drawings and specific dimensions of the EC20 Mini PCle module.
Shows the standard dimensions for the Mini PCI Express form factor for compatibility.
Describes how the EC20 Mini PCle module is packaged in trays and the minimum package quantity.
Lists related documents and specifications such as AT Commands Manual and PCI Express Specification.
Provides a glossary of terms and abbreviations (e.g., bps, CS, ESD, FDD, GNSS, GPS, GSM) used in the document.
To Next Page
General