LTE-M module integrates GNSS receiver

Sara-R520M19, an LTE-M and NB-IoT module from Swiss provider u-blox, delivers accurate positioning data concurrent with LTE communication. Simultaneous GNSS and cellular connectivity is an important factor for applications requiring continuous or cyclic tracking, such as utility metering and asset tracking.

The Sara-R520M10 module incorporates the company’s UBX-R52 cellular chip, M10 GNSS receiver, and dedicated GNSS antenna interface in a 16×26×2.2-mm, 96-pin LGA package. A variant without the GNSS receiver, the Sara-R520, is also available for general-purpose applications. This model features SpotNow, an assisted GPS receiver for applications requiring occasional tracking. 

The Sara-R52 series offers 23 dBm of RF output power to ensure stable connectivity. Modules include an Open CPU (uCPU) feature that allows users to run their own software on the chip without the need for an external MCU. An onboard smart connection manager performs automatic connectivity management. Its function is to achieve either the best performance or the lowest power consumption. This is useful when a connection is lost and needs to be re-established.

In addition to the Sara-R52 series, u-blox released the Lexi-R520 LTE-M module. The Lexi-R520 furnishes the same features as the Sara-R520, but in a smaller form factor. Its 16×16×2-mm, 133-pin LGA package lends itself to applications like wearables.

Samples of the LTE-M modules are available now, with volume production scheduled for Q3 2024.

Sara-R52 series product page

Lexi-R520 product page


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