Fractus is aiming at narrow-band-IoT, LoRa, Sigfox, LTE-M and Zigbee with an antenna evaluation board and application note that covers 824-960MHz and 1.71-2.69GHz through a single input/output port. It uses firm’s FR01-S4-224 antenna (see diagram), which has a 12 x 3mm footprint – a device which featured in an earlier 863-928MHz app note design – but ...

This story continues at One antenna for NB-IoT, LoRa, Sigfox, LTE-M and Zigbee

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