The SI4461-C2A-GMR is a high-performance, low-current transceiver from Silicon Labs designed for wireless applications in the sub-GHz frequency bands. This device is part of the EZRadioPRO® family and is ideal for remote control, security systems, wireless sensor networks, and other applications requiring robust and reliable wireless connectivity.

Applications:

• Remote control systems
• Wireless sensor networks (WSN)
• Security and alarm systems
• Automatic meter reading (AMR)
• Home automation

Features:

• Frequency range: 142 MHz to 1050 MHz
• Modulation schemes: FSK, GFSK, OOK
• Adjustable output power: Up to +20 dBm
• Receiver sensitivity: Up to -126 dBm
• Low current consumption
• Configurable packet handler
• Wake-on-radio functionality

Benefits:

• Extended Range: High output power and excellent receiver sensitivity enable long-range wireless communication, enhancing the reach of the connected devices.
• Low Power Operation: Low current consumption and wake-on-radio functionality allow for extended battery life in battery-powered applications, reducing maintenance requirements.
• Flexible Modulation: Support for multiple modulation schemes (FSK, GFSK, OOK) allows for optimization of data rate, range, and power consumption based on application requirements.
• Reliable Communication: Robust packet handling and error correction features ensure reliable data transmission even in noisy environments, minimizing data loss.
• Easy Integration: Simple interface and comprehensive software libraries facilitate easy integration into existing systems, reducing development time and cost.

Technical Specifications:

The SI4461-C2A-GMR operates in the frequency range of 142 MHz to 1050 MHz and supports various modulation schemes, including FSK, GFSK, and OOK. It has an adjustable output power of up to +20 dBm and a receiver sensitivity of up to -126 dBm. The device features a configurable packet handler and wake-on-radio functionality. It is available in a small QFN package.