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Specifications
Part NumberSi4463
ManufacturerSilicon Labs
TypeSub-GHz RF Transceiver
Frequency119–1050 MHz
ModulationFSK/GFSK/4FSK/OOK/CW
Max Output Power+20 dBm
Sensitivity−126 dBm
PackageQFN-20 (4×4mm)
Supply Voltage1.8–3.6 V
Operating Temp−40°C to +85°C
RoHSYes
VDD1.8–3.6 V
TX Current50 mA at +20dBm
RX Current10 mA
Frequency Steps~10 Hz
Data Rate0.1–1000 kbps
SPI4-wire SPI
GPIO4× configurable
WUTWake-up timer
IRQInterrupt
Part NumberSi4463
Orderable Qty1 pcs – 10,000+ pcs
Price (1–9 pcs)Contact for quote
Price (10–99 pcs)Contact for quote
Price (100–499 pcs)Contact for quote
Price (500+ pcs)Best pricing available
Lead Time (stock)3–7 business days
PackagingTray / Tape & Reel (T&R)
Export ControlEAR99 (No license required)
Product Description

The Si4463 is a Sub-GHz Transceiver · 119–1050MHz · 20dBm · FSK/OOK from Silicon Labs, widely used in UAV and drone applications.

This component is a popular choice among drone engineers for its reliability, performance, and industry ecosystem support. UAVCHIP maintains stock of Si4463 for rapid global fulfillment.

Key Features

  • Part Number: Si4463
  • Manufacturer: Silicon Labs
  • Type: Sub-GHz RF Transceiver
  • Frequency: 119–1050 MHz
  • Modulation: FSK/GFSK/4FSK/OOK/CW
  • Max Output Power: +20 dBm
UAV Applications
433MHz RC
433MHz long-range RC system alternative
868MHz Link
European SRD868 band telemetry
915MHz FHSS
Frequency-hopping spread spectrum RC
LoRa Alternative
FSK-based protocol for ELRS-like custom link
Similar Products (RF Transceiver)

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