Key applications for the Murata LPWAN module include smart metering (gas and water flow meters), Internet of Things sensor nodes, wearables, and Machine to Machine (M2M) communications. The variety of LoRaWAN™ and Sigfox applications currently in development includes placing sensor nodes in remote and unpredictable environments and by using an internal TCXO crystal oscillator the CMWX1ZZABZ-078 module has an operating temperature range of -40 to +85 °C.
LoRa and Sigfox are low-power wide area network protocols (LPWANs) for applications requiring long range communications with relatively low data rates – up to 15km range is possible in non-urban environments. Normal output power for the protocols is + 14dBm and + 13dBm respectively, while LoRa range can be further boosted by a power amplifier boost function to increase RF output to + 20dBm for long range applications or those where the end-device is sited in a poor signal location indoors.
Being a very low-power protocols, both are ideal for battery powered applications and those using energy harvesting and EDLC / supercapacitor / lithium-ion capacitor solutions. The Murata LPWAN module can be powered with a 2.2 to 3.6 V DC supply and battery powered applications can be designed for lifetimes in excess of 10 years before replacements are needed.
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