To Next PageTo Next Page
Need help?Do you have a question about the Ublox SARA-R422 and is the answer not in the manual?
General| Brand | Ublox |
|---|---|
| Model | SARA-R422 |
| Category | Control Unit |
| Language | English |
Requirements and routing for the module's main power supply input (VCC).
Procedures and sequences for powering on the SARA-R4 series modules.
Methods for gracefully switching off the SARA-R4 series modules.
Procedures for resetting or rebooting the SARA-R4 series modules.
Requirements for the cellular antenna RF interface (ANT) connection.
Features and functionalities of the UART interface.
Features and capabilities of the USB interface.
Design guidelines for power supply circuits including VCC and V_INT.
Detailed guidelines for VCC supply circuit selection and design.
Guidelines for designing the V_INT circuit for digital interfaces.
Design guidelines for PWR_ON/PWR_CTRL and RESET_N interfaces.
Circuit and layout design for the PWR_ON/PWR_CTRL input pin.
Circuit and layout design for the RESET_N input pin.
Design guidelines for antenna connections and RF transmission lines.
General design rules for ANT and ANT_GNSS pin connections.
Design principles for 50 Ohm RF transmission lines.
Antenna selection and design guidelines for cellular applications.
Design guidelines for GNSS antenna connections.
Guidelines for SIM card connection and layout design.
Selection and connection guidelines for SIM cards and connectors.
Design guidelines for UART, USB, SPI, SDIO, and DDC interfaces.
Circuit design guidelines for the UART interface.
Circuit design guidelines for the USB interface.
Precautions for handling ESD-sensitive SARA-R4 modules.
Recommendations and guidelines for soldering SARA-R4 modules.
Guidelines for convection reflow soldering profiles.
Overview of u-blox's automated production testing procedures.
RF testing procedures using AT commands.
