This post describes for the Transceiver.
The Part Number is LT8900.
The function of this semiconductor is Low Cost 2.4GHz Radio Transceiver.
The manufacturer of this part is ETC.
See the preview image and the PDF file for more information.
The LT8900 is a low-cost, fully integrated CMOS RF transceiver, GFSK data modem, and packet framer, optimized for use in the 2.4 GHz ISM band. It contains transmit, receive, RF synthesizer, and digital modem functions, with few external components. The transmitter supports digital power control. The receiver utilizes extensive digital processing for excellent overall performance, even in the presence of interference and transmitter impairments.
1. Complete 2.4 GHz radio transceiver includes fully integrated RF PLL and channel filtering
2. Supports Frequency-Hopping Spread Spectrum
3. Supports SPI and I2C bus interface
4. Built-in smart auto-acknowledge Tx/Rx protocol simplifies usage
1. Remote controls
2. Wireless keyboards and mice
3. Proprietary Wireless Networks
4. Home automation
5. Commercial and industrial short-range wireless