The VT-SA02D-868 with Wireless Modules 27*20mm RoHS manufactured by VCHIP is an electronic component designed for wireless communication use. It features a low profile, RoHS compliant design, and is suitable for applications requiring a small form factor. The VT-SA02D-868 has an operating frequency of 868 MHz, provides an output power of up to 20 mW, and supports up to 220 kbps data transmission speed. It is also equipped with a 128-bit AES-CCM hardware encryption engine, providing secure wireless communication. Other features include a built-in temperature sensor, voltage regulator and on-chip antenna tuning. This component also has four general-purpose I/O pins for connecting peripherals, and can be used for a variety of applications in the consumer, automotive, and industrial markets.