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SI4438-C2A-GMR AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

SI4438-C2A-GMR product

SI4438-C2A-GMR

RF Transceiver ICs

Sub-GHzTransceiverSmart Meter

The Si4438-C2A-GMR is a high-performance sub-GHz RF transceiver optimized for smart meter applications in the 425–525 MHz range.

Best for

  • Smart meters
  • Electric meters
  • Sub-GHz industrial wireless

Avoid if

  • 2.4 GHz applications
  • High-bandwidth data transmission

Check before use

  • Antenna matching network design
  • Regulatory compliance for target region

Key specifications

Frequency Range
425–525 MHz
Max Output Power
+20 dBm
Sensitivity
-124 dBm

Compliance & Environment

RoHS
RoHS Compliant
REACH
-
MSL
-
ECCN
5A991.b
HTSUS
8542390001.0

Application

Smart MetersIndustrial Wireless

Datasheet

73b7ddd605eced3438f14e6795688873_2001131005_SKYWORKS-SILICON-LABS-SI4438-C2A-GMR_C476201.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for SI4438-C2A-GMR: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

EDA Symbol
Schematic symbol for your EDA tool
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PCB Footprint
Land pattern for PCB layout
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3D Model
STEP file for mechanical design
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KiCad Library
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Where to Buy

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Alternative components

Alternatives are being enriched. Analyze this part in PartGenie for the latest matches.

Design and risk insights

Questions & answers

It is a low-current, high-performance wireless ISM transceiver from Silicon Labs, specifically designed for sub-GHz bands (425–525 MHz) and the Chinese smart meter market.