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SI4438TR4-GC AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

SI4438TR4-GC product

SI4438TR4-GC

RF Transceiver Modules and Modems

433 MHzRF transceiver moduleSPI+20 dBmSi4438

SI4438TR4-GC is a 433 MHz SPI-controlled RF transceiver module for low-power wireless links requiring up to +20 dBm transmit power.

Best for

  • 433 MHz wireless control links
  • Remote sensing
  • Industrial monitoring

Avoid if

  • A 433 MHz radio band is not permitted in the target region
  • A fully certified radio subsystem is required

Check before use

  • 50 Ω antenna matching
  • 80 mA transmit supply capability
  • RF layout and enclosure effects

Key specifications

Frequency
433 MHz
Transmit power
+20 dBm
Sensitivity
-124 dBm @ 500 bps
Supply range
1.8 V to 3.8 V
Interface
SPI
Module size
16 mm × 12.5 mm

Compliance & Environment

RoHS
-
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

Wireless remote controlIndustrial monitoringSensor networks

Datasheet

96bbb3a2338465838fbbb278cc6b3be7_SI4438TR4-GC.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for SI4438TR4-GC: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

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PCB Footprint
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3D Model
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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

SI4438TR4-GC is a compact surface-mount 433 MHz RF transceiver module based on the Silicon Labs Si4438 radio IC. It is controlled through SPI and provides GPIO, interrupt, shutdown, TX/RX control, and a 50 Ω RF antenna port.