NB-IoT/LTE-M: Wireless I/O Module

NB-IoT and LTE-M are new wireless technologies included in the 5G evolution of cellular technology standards defined by the 3rd Generation Partnership Project (3GPP). NB-IoT and LTE-M feature low power consumption and utilize LTE networks based on licensed spectrum bands. These technologies are optimized for connectivity to machines, assets and sensors in order to enable IoT applications.

AD-WISE-4671, NB-IoT/LTE-M dual-mode communication module that supports 10 communication bands. AD-WISE-4671 offers stable, low-power remote wireless transmission, a modularized design that accommodates a range of different I/O configurations, and IP65 protection that is well suited for rugged environment applications. Offering both wide coverage and easy deployment, AD-WISE-4671 is an optimal choice for smart meters, water pumps, pipeline networks, streetlights and a range of other applications geared toward AIoT and smart cities.

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Using NB-IoT, a new wireless communication technology designated as an international standard under the 3rd Generation Partnership Project (3GPP), AD-WISE-4671 offers data transmission rates around 100 kbps in NB-IoT mode. NB-IoT is up to 20dB stronger than traditional GPRS and LTE, providing stable reception quality even with buried lines or when underground. Both NB-IoT and LTE-M feature long distance transmission across wide area networks—making AD-WISE-4671 an ideal edge solution for applications performing remote transmission.

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AD-WISE-4471/WISE-4671 follows MQTT's publish and subscribe messaging model which is ideal for low bandwidth, high latency, and data limits. Additionally, as an IoT device, AD-WISE-4471/WISE-4671 also supports lightweight protocols such as CoAP, which are suitable for small devices that are unable to communicate efficiently with limited resources.

As MQTT and CoAP are popular standards in the market, the data format can raise concern over messaging protocols. Accordingly, AD-WISE-4471/WISE-4671 also supports the LwM2M protocol which has the management interface built on top of CoAP to enable device management operations.

There is also the official publication of OMA LwM2M2 Objects and Resources to alleviate data inter-compatiblity concerns. LwM2M is a protocol offering flexible and scalable device management with improved time to the market; especially for low power devices with constrained processing and storage capabilities.