
Note: The purchased components are stored in your JLCPCB parts library for future PCBA orders only, and cannot be shipped separately.
| Attributes | Value | |
|---|---|---|
| Category | RF and Wireless/RF Transceiver ICs | |
| Manufacturer | Skyworks Solutions | |
| Package | QFN-20(3x3) | |
| Operating Temperature | -40℃~+95℃ | |
| Frequency Range | 76MHz~108MHz | |
| Applications | VHF | |
| Voltage - Supply | 2.7V~5.5V | |
| Receive Current | 16.8mA | |
| Current Of Transmitting | 18.3mA | |
| Interface | SPI、I2S |

* Images are for reference only
Note: The purchased components are stored in your JLCPCB parts library for future PCBA orders only, and cannot be shipped separately.

* Images are for reference only
Note: The purchased components are stored in your JLCPCB parts library for future PCBA orders only, and cannot be shipped separately.
SI4721-B20-GM technical specifications, attributes, and parameters.
| Attributes | Value | |
|---|---|---|
| Category | RF and Wireless/RF Transceiver ICs | |
| Manufacturer | Skyworks Solutions | |
| Package | QFN-20(3x3) | |
| Operating Temperature | -40℃~+95℃ | |
| Frequency Range | 76MHz~108MHz | |
| Applications | VHF | |
| Voltage - Supply | 2.7V~5.5V | |
| Receive Current | 16.8mA | |
| Current Of Transmitting | 18.3mA | |
| Interface | SPI、I2S |
From components to fully assembled PCBs. JLCPCB supports PCB assembly for the SI4721-B20-GM. Sign up to receive and start your assembly today →
Step 1 - Pre-order the parts you need from JLCPCB.
Step 2 - Place a PCBA order to have those parts assembled onto your boards.
Step 3 - JLCPCB manufactures and assembles your boards in as fast as 3 days.

The SI4721-B20-GM schematic symbol and PCB footprint are available in the EasyEDA PCB design tool.