Arrow introduces certified Sigfox modules wth antenna choice

September 19, 2019 //By Julien Happich
Arrow Electronics is now shipping Sigfox-Mod1-certified Sigfox modules created by XoverIoT. The modules help accelerating the development of Internet of Things solutions, leveraging globally consistent, low-energy Sigfox wireless connectivity.

The modules are available in two versions, including the Sigfox-Mod1-C with integrated chip antenna and the SI Sigfox-Mod1-E with a U.FL socket for an external antenna. The flexibility to dynamically reconfigure for short-range FSK operation or long-range communication lets developers create connected solutions to address challenges in industrial monitoring, asset tracking, supply chain, and smart infrastructure.

The modules are based on the STMicroelectronics Sigfox chipset, which comprises the STM32L051K8 microcontroller, the S2-LPQTR 868MHz radio transceiver and the BALF-SPI2-01D3 integrated balun that saves space and eases RF circuit design. The module is compact, measuring just 37.6x15.0x3.8mm, and enables long battery life, leveraging ultra-low-power technologies of both the STM32L0 microcontroller and the S2-LP radio transceiver. The operating current is just 29mA in transmit mode, running off a 3.3V supply. The underlying ST chipset is certified for all Sigfox geographical zones (ZC1 to ZC6).

The modules come loaded with embedded firmware including the Sigfox software stack, which is easily controlled from the host application using standard AT commands. Alternatively, leveraging the microcontroller’s generous 64Kbyte Flash, users can choose to run their application on the module for maximum efficiency and system cost savings. A comprehensive set of tools is also available to aid rapid development, including the Sigfox-Dev1 Arduino-compatible STM32Nucleo module development kit, Sigfox-Clk1 mikroBUS kit, and Sigfox-USB2 USB dongle for testing module communications with the module.

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