IoT and Low-Power Wireless: Circuits, Architectures, and Techniques -
Low power wireless for IoT and the case for going non-standard
Reliable, Low Power Wireless Sensor Networks for the Internet of Things: Making Wireless Sensors as Accessible as Web Servers | Analog Devices
Amazon.com: TP-Link Tapo Smart Hub with Built-in Chime, REQUIRES 2.4GHz Wi-Fi, Reliable Long-Range Connections with Tapo Sensors, Sub-1G Low-Power Wireless protocol, Connect with up to 64 smart devices. Tapo H100 : Electronics
Low Power Wireless Technologies - Selection Guide
Ultra-low-power WiFi+BLE5 modules target direct-to-cloud battery based products
Making the Most Out of Low-Power Wireless Charging Technology