SI1021-B-GM3R

Product Overview

SI1021-B-GM3R is an RF transceiver SoC with integrated microcontroller from Silicon Labs. The device combines radio communication and embedded control in one package, making it useful when the wireless protocol stack and local application processing need to sit close together. It is typically reviewed for sub-GHz ISM connectivity and for products such as sub-GHz ISM telemetry, remote control, metering, security and industrial wireless products.

For design-in or replacement, buyers should confirm the orderable version is associated with a 85-VFLGA Exposed Pad package, surface-mount IC package for compact RF PCB layouts. The antenna path, matching network, firmware or protocol stack, regulatory requirements and lifecycle status should also be checked against the official manufacturer documentation before production use.

Key Features

• Manufacturer: Silicon Labs
• Part Number: SI1021-B-GM3R
• Product Category: RF Transceiver
• Device Type: RF transceiver SoC with integrated microcontroller
• Product Description: RF transceiver SoC with integrated microcontroller with sub-GHz ISM, 85-VFLGA Exposed Pad, intended for compact low-power products that combine RF communication with embedded control
• Wireless Protocol / Band Reference: sub-GHz ISM
• Package / Case: 85-VFLGA Exposed Pad
• Mounting / Construction: surface-mount IC package for compact RF PCB layouts
• 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 memory, peripherals and firmware support in the datasheet
• Functional Role: RF transmit/receive communication, wireless data exchange and embedded connectivity

Applications

SI1021-B-GM3R can be used in sub-GHz ISM wireless products, remote controls, metering systems, alarm equipment, industrial telemetry, long-range sensors and low-power RF nodes.

The final design should verify regional frequency band, output power, modulation format, antenna matching, receiver sensitivity and protocol requirements.

Quality & Sourcing

Antrex Electronics can support SI1021-B-GM3R sourcing with stock availability checks, RFQ quotation, package confirmation, date code review and shipment arrangement. For faster quotation, buyers can provide target quantity, acceptable date code, packaging preference, target price, required wireless protocol, frequency band, module or firmware version, and end-application information.

For quality control, Antrex Electronics can 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 requirements for sourcing assistance.