The NRF51822-CEAA-R7 is a TxRx Only RF Transceiver IC from Nordic Semiconductors. It operates at a frequency of 2.4GHz and supports the Bluetooth v4.1 protocol. The NRF51822-CEAA-R7 comes in a 62-UFBGA, WLCSP package and is suitable for various wireless communication applications. It has a memory size of 128kB Flash and 8kB SRAM, providing sufficient storage for data and firmware. The RF transceiver has a power output of 4dBm and a sensitivity of -96dBm, ensuring reliable communication over a reasonable range. It supports multiple serial interfaces such as I2C, SPI, and UART, making it versatile for different applications. With a voltage supply range of 1.8V to 3.6V and a temperature range of -25°C to 75°C, the NRF51822-CEAA-R7 can operate in various environments. Nordic Semiconductors is a reputable manufacturer of wireless communication solutions, and the NRF51822-CEAA-R7 is an active product in their lineup.

• Frequency: 2.4GHz
• Protocol: Bluetooth v4.1
• Package: 62-UFBGA, WLCSP
• Memory Size: 128kB Flash, 8kB SRAM
• Power Output: 4dBm
• Sensitivity: -96dBm
• Serial Interfaces: I2C, SPI, UART
• Voltage Supply: 1.8V to 3.6V
• Temperature Range: -25°C to 75°C