CC1121RHBT

RF Transceiver ICS Overview

The CC1121RHBT is a high-performance, low-power Sub-1 GHz wireless transceiver manufactured by Texas Instruments. It integrates an RF transceiver with an MCU in a single chip, supporting multiple frequency bands including 164–192 MHz, 274–320 MHz, 410–480 MHz, and 820–960 MHz. The device operates on a supply voltage of 2 V to 3.6 V and features a maximum data rate of 200 kb/s. It delivers up to 16 dBm output power and achieves receiver sensitivity of -120 dBm at 1.2 kbps. The component utilizes SPI interface and is housed in a 32-VQFN package.

RF Transceiver ICS Feature Summary

• Integrates a high-performance RF transceiver with a microcontroller unit for system simplification
• Supports versatile modulation formats including 2-FSK, 4-GFSK, MSK, and OOK
• Provides excellent receiver sensitivity across multiple ISM sub-1 GHz frequency bands

RF Transceiver ICS Applications

• Wireless sensor networks requiring long-range communication
• Industrial monitoring and control systems
• Smart metering applications

RF Transceiver ICS Procurement Notes

Verify the specific suffix RHBT corresponds to the 32-pin VQFN package and operating temperature range of -40°C to +85°C. Confirm that the integrated MCU memory specifications (4 kB ROM, 256 B RAM) align with application requirements. Ensure compatibility with the required SPI interface signals and GPIO configurations before procurement.

RF Transceiver ICS Selection Notes

Select this component when a combined RF and MCU solution is needed to reduce board space and complexity. It is suitable for applications demanding high sensitivity and moderate data rates within Sub-1 GHz bands. Consider the power consumption profiles during transmission and reception against battery life requirements. Verify that the available GPIO count meets the peripheral connection needs.

RF Transceiver ICS Part Context

This part belongs to the CC1121 series of high-performance low-power RF transceivers from Texas Instruments. The series is designed for Sub-1 GHz wireless connectivity, offering a balance between performance and power efficiency. The CC1121 family typically includes variants with different packages and temperature ranges to suit various industrial and commercial environments.

RF Transceiver ICS Replacement Considerations

Public confirmed substitute part numbers are not provided in the source documentation.