The RichWave RTC5638HE with QFN-16 RF Chips ROHS is an electronic component used in radio frequency (RF) and wireless communication systems. The component offers high performance and high efficiency in a compact form factor of 16 pins. It provides low-power operation, low-noise received signal strength indication (RSSI), and integrated audio output. The component is designed for low-power and long-range use in applications such as Bluetooth, Zigbee, WLAN, FM, GPS, and Glonass, and is ROHS compliant. It includes an integrated dual-channel power amplifier, a low-noise amplifier (LNA) with gain control, an output switch, a band-pass filter, a low-skew oscillator, and various other components. The component is suitable for ultra-low standby power, high volume production, and has an operating temperature range of -40°C to +85°C.