Arm PSA Level 3 certified Sub-GHz wireless SoCs support Amazon Sidewalk, mioty, Wireless M-Bus, Z-Wave…

EFR32FG23 Dev Kit

Silicon Labs has announced two new sub-GHz wireless SoCs with EFR32FG23 (FG23) and EFR32ZG23 (ZG23) devices adding to the company’s Gecko Series 2 Cortex-M33 platform. Both FG23 and ZG23 support up to one mile (~1.6 km) wireless range, 10+ year battery life on a coin-cell battery, are certified with Arm PSA Level 3 security, and support “advanced wireless technologies” such as Amazon Sidewalk, mioty, Wireless M-Bus (WM-Bus), Z-Wave, and proprietary IoT networks. Silicon Labs explains the chips’ ultra-low transmit and receive radio power (13.2 mA TX at 10 dBm, 4.2 mA RX at 920 MHz) and RF implementation (+20 dBm output power and -125.3 dBm RX at 868 MHz, 2.4 kbps GFSK), makes the long-range and long battery life possible. The ZG23 is designed for Z-Wave applications with Long Range and Mesh connectivity and can be integrated into either end devices or gateways. The company is also working on ZG23-based […]

Amazon Sidewalk – A Low Bandwidth Network For Connecting Smart Devices and IoT

Amazon Sidewalk Endpoints Overview

In 2019, Amazon introduced the Sidewalk with privacy and security at the core. Amazon Sidewalk a low-bandwidth, long-distance wireless protocol that is expected to provide a new way for devices to stay connected especially when smart devices leave their WiFi or Bluetooth coverage range by leveraging the 900 MHz spectrum. Amazon Sidewalk will most likely be an LPWAN type network since it is promising neighborhood-like device connectivity with is crowdsourcing initiative. It uses Bluetooth Low Energy (BLE) for short distances, the 900 MHz spectrum, and other frequencies for longer distance coverage. Sidewalk attempts to make sure your BLE devices can still connect to your home network even when you take a walk away from your home. According to Amazon, users can easily access the Sidewalk network using two types of devices: Sidewalk Bridges and Sidewalk-enabled devices. Amazon has now announced that compatible Echo devices can now act as bridges and also some […]