The ESP8266 is the answer to “I want something with Wifi.” Surprisingly, there are a number of engineers and hobbyists who have not heard of this chip or have heard of it but don’t really ...

The Raspberry Pi Compute Module 4 has a built-in WiFi antenna, but that doesn’t mean it will work well for you – the physical properties of the carrier board impact your signal quality, too ...

Additionally, the module has an operating temperature range of -40°C to +85°C and comes with antenna options that include RF coaxial connector, external antenna pin or PCB antenna.