MICRF211AYQS

Product Overview

MICRF211AYQS from Microchip Technology is a 433.92 MHz QwikRadio ASK/OOK receiver. This RF receiver entry is prepared for engineering and sourcing teams that need a practical summary of the receiver architecture, operating band and interface considerations.

The description below focuses on receiver function, RF band, modulation support, power/interface notes and supply-chain usage for BOM sourcing.

Key Features

• Manufacturer: Microchip Technology
• Part Number: MICRF211AYQS
• Device Type: 433.92 MHz QwikRadio ASK/OOK receiver
• Receiver Architecture: 3 V QwikRadio superheterodyne receiver
• Center Frequency: 433.92 MHz
• Sensitivity: -110 dBm typical sensitivity
• Modulation: OOK and ASK reception
• Data Rate: Up to 10 kbps
• Filter Options: Four selectable demodulator filter bandwidths from 1.25 kHz to 10 kHz
• Package / Case: 16-pin QSOP package family, ordering suffix YQS
• Design Notes: Set the demodulator bandwidth and crystal/matching network for the final data rate and link budget.

Applications

433.92 MHz keyless entry, remote controls, alarm/security receivers and low-power sensor receivers.

Sub-GHz receiver modules that require a 3 V 433.92 MHz ASK/OOK receiver with selectable data filtering.

Quality & Sourcing

Antrex Electronics can support sourcing for MICRF211AYQS through available stock checks, BOM consolidation and alternative-lot checking. For RF receiver ICs, lot/date code, package condition, moisture sensitivity handling and original labeling should be checked before shipment.

For project builds or shortage support, Antrex Electronics can coordinate visual inspection, packaging verification and third-party electrical or authenticity testing when required. This helps buyers manage risk when sourcing discontinued, legacy or hard-to-find RF receiver parts.