Explore DSTIKE handheld devices built around ESP8266, ESP32-S3, and ESP32-C5 platforms for firmware development, wireless research, Wi-Fi monitoring, maker projects, and authorized network assessment. This collection includes compact handheld tools, dual-band ESP32-C5 devices, portable development platforms, and self-contained projects with displays, controls, batteries, and wireless connectivity. Choose a model based on portability, interface, supported wireless bands, and development needs. Features, supported frequencies, channels, and firmware capabilities vary by model and may depend on regional regulations, access-point configuration, and installed firmware.