Z-Wave Long Range enables increased range with thousands of nodes
The Z-Wave Alliance has announced the Z-Wave Long Range (Z-Wave LR) specification for product development. It enables the connectivity to a number of new IoT applications beyond the home without the need for repeaters, ensuring an easy install and low cost.
With a network size of 4,000 nodes, Z-Wave LR provides the scalability needed in MDU and hospitality deployments.
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Additionally, the Z-Wave LR reduces ongoing maintenance costs with up to ten years of life on a coin cell battery.
The Z-Wave LR specification supports distances of up to several kilometres with a maximum output power of 30dBm. This represents a 20-times increase over Z-Wave mesh node support while co-existing on the same network as Z-Wave mesh.
Z-Wave LR is backwards compatible and maintains interoperability with all Z-Wave certified devices.
The first implementation of Z-Wave LR, by Alliance member Silicon Labs, has already achieved a direct line of sight transmission range of 1.6km making use of +14dBm output power. With a foreseeable transmission range of several kilometres, the Z-Wave LR specification significantly expands the possibilities of system scalability beyond the confines of a single residential property.
It also extends Z-Wave capabilities to larger, more complex installations and markets including hospitality, MDU, smart cities, commercial installations, large residential compounds and more.
“The Z-Wave Alliance Technical Workgroup has been working to fine-tune the Z-Wave LR specification for deployment,” Z-Wave Alliance technical committee chairman Niels Johansen says.
“These significant enhancements position the Alliance to solidify Z-Wave as the de facto standard for IoT solutions where sub-GHz is mission-critical to device performance.”
Z-Wave Alliance executive director Mitch Klein says that the company has transformed wireless technology for smart home and security devices: “As IoT technology has expanded beyond the walls of the home and to the sidewalk, to commercial buildings, smart cities, and beyond, we decided to support these evolving industry needs.
“Implementing Z-Wave and Z-Wave LR into IoT networks maximises value and minimises costs while providing more breadth of choice.”
Z-Wave LR is now available from Silicon Labs on their Z-Wave 700 platform and the specification is now available to Z-Wave Alliance members for development. The Z-Wave Alliance certification program will include Z-Wave LR by March 2021, anticipating numerous Z-Wave LR enabled devices to launch throughout the year.
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