Wireless Temperature Sensors | LoRa Temperature Sensors
Low Cost Wireless Sensor Network on 433MHz Band : 5 Steps (with Pictures) - Instructables
Amazon.com: Emergency-Radio,Puiuisoul 4000mAh Weather Radios with Hand Crank & Solar Charging,3 Gear LED Flashlight,SOS Alarm, Portable Power Bank,AM/FM/NOAA,Motion Sensor Reading Lamp : Electronics
Libelium opens access to Bluetooth Wireless Sensor Networks - Libelium