SI1021-B-GM3

Product Overview

SI1021-B-GM3 is a RF transceiver SoC with integrated microcontroller from Silicon Labs, organized under Semiconductors / RF and Wireless / RF Transceiver. It is intended for two-way RF communication, embedded wireless connectivity, telemetry, IoT modules, sensor networks, smart devices or industrial communication equipment, depending on the exact variant and firmware support. Silicon Labs transceiver SoCs are often selected for Bluetooth, Zigbee, Thread, Matter, proprietary sub-GHz and multiprotocol IoT products.

For production or replacement use, buyers should verify the full datasheet, marking, ordering suffix, RF band, antenna interface, package footprint, regulatory constraints and lifecycle status before approval.

Key Features

• Manufacturer: Silicon Labs
• Part Number: SI1021-B-GM3
• Product Category: Semiconductors / RF and Wireless / RF Transceiver
• Device Type: RF transceiver SoC with integrated microcontroller
• Product Description: SI1021-B-GM3 is a RF transceiver SoC with integrated microcontroller with sub-GHz ISM reference, 85-VFLGA Exposed Pad, surface-mount IC package for compact RF PCB assembly, intended to combine RF connectivity and embedded control in compact low-power wireless products.
• Wireless Protocol / Band Reference: sub-GHz ISM reference
• Package / Case: 85-VFLGA Exposed Pad
• Mounting / Construction: surface-mount IC package for compact RF PCB assembly
• Application Focus: sub-GHz ISM telemetry, remote control, metering, security and industrial wireless products
• Integrated Function: RF transceiver with embedded processing or wireless-MCU integration; confirm exact memory, peripherals and firmware support in the datasheet
• Functional Role: RF transmit/receive communication, wireless data exchange and embedded connectivity
• Sourcing Description: IC RF TXRX+MCU Ism

Applications

SI1021-B-GM3 can be used in sub-GHz ISM wireless products, remote controls, metering systems, alarm equipment, industrial telemetry, long-range sensors and low-power embedded RF nodes. The final design should verify regional frequency band, output power, modulation, antenna matching, sensitivity and protocol requirements.

Quality & Sourcing

Antrex Electronics can support SI1021-B-GM3 sourcing with stock availability checks, RFQ quotation, package confirmation, date code review and shipment arrangement. For RF transceiver purchasing, buyers can provide quantity, target price, acceptable date code, packaging preference, required wireless protocol, frequency band, firmware or module version, and end-application information for faster quotation support.

Antrex Electronics can also help arrange product photos, label review, visual inspection and third-party testing support when required. OEMs, EMS providers, wireless module manufacturers, IoT device makers, repair centers and electronic component buyers are welcome to send BOM lists or hard-to-find RF transceiver requests for sourcing assistance.