Murata takes tiny to the next level

A new narrowband Internet-of-Things (NB-IoT) cellular modem module has been launched by Murata.

Measuring 12.6 mm x 10.6 mm x 1.8 mm, the small size and low power consumption (approximately 3-microA in power saving mode) suits the 1SS module to miniaturised battery-operated IoT devices such as wearables or tracking devices, where battery lifetimes up to 10 years are achievable.

Based upon the Mediatek MT2625 chipset and housed in a shielded package, the module includes an ARM Cortex-M4 microcontroller (MCU) running at 156 MHz. The module is able to run AT commands owing to the onboard SRAM and 4MB of Flash memory.

The module includes multiple GPIO lines, a UICC interface for SIM cards and SPI and UART interfaces providing designers with flexibility. Further flexibility is delivered through an open MCU option that allows designers to run their own applications.

Ensuring the widest possible compatibility with varied use cases, the 1SS modem module supports a large range of protocols including TCP/IP, DTLS, Ping, LwM2M, CoAP, HTTP/HTTPS for the web, MQTT for the IoT, iperf, SNTP and SIM toolkit.

Compliant with GSMA GCF/PTCRB certifications, the 1SS module helps simplify the design process.

The module operates from -40 degrees C to +85 degrees C suiting it to harsh environments and requires only a single 3.3 V supply rail.

The modules can run on a range of 1.8 to 3.3 V, optimised for dry-cell devices.

Samples are available now and the modem will enter mass production during Q1 2019.

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