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Sub-GHz wireless IP mesh networking modules
23 October 2019, Telecoms, Datacoms, Wireless, IoT
RIIM (Radiocrafts IP Mesh) is an embedded RF system designed by Radiocrafts to be an all-inclusive, easy-to-use mesh with direct IP addressing. The technology employs the IEEE802.15.4 g/e RF protocol and includes an Intelligent C-programmable I/O (ICI), which makes it possible to directly interface to any sensor or actuator. It also supports Mist Computing and does not require any licence or subscription fee.
RIIM is a 2-way symmetric wireless mesh network at 868/915 MHz with the complete IP mesh included in the module and with automatic network setup. RIIM is capable of sending and receiving data directly over the Internet, making it easy to connect to cloud services and other devices. The modules are inherently low-power modules with automatic power saving functions enabling battery operation.
A RIIM leaf node can be put in ‘Sleepy Node’ mode and only wake up when there is activity to report or read. The node is still active on the network, but in a very low level just to maintain the dynamic network. The average current tested for a ‘Sleepy Node’ in standby is 8 µA, which will enable coin cell battery operation or energy harvesting solutions. A node can last 10 years on a CR2772 (870 mAh capacity coin cell battery) while sending 12 Bytes every hour, 24 hours per day.
The RC1882CEF-IPM RIIM module can be configured as a border router, mesh router, or a leaf node:
• As a border router node, it acts as the base of the mesh network. It can connect to an external network via Ethernet or custom user applications on other interfaces such as UART.
• As a mesh router node, it is a full-featured node that is able to re-transmit packets to other nodes in the RIIM mesh network.
• As a leaf node, it is a full-featured node that is not able to re-transmit packets to other nodes. This configuration uses the least amount of energy.
For more information contact Gyula Wendler, Altron Arrow, +27 11 923 9709, gwendler@arrow.altech.co.za, www.altronarrow.com
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