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Product Variant Information section
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Attributes Table
Frequency Range 380MHz to 450MHz
Data Rate 40kbps
Output Power -12dBm to +10dBm
Supply Current 3.4mA to 10.6mA
Supply Voltage 1.95V to 5.5V
Features and Applications

The TH72011KDC is a FSK transmitter IC. The integrated PLL synthesizer ensures that carrier frequencies, ranging from 380 MHz to 450 MHz, can be achieved.

It has an Operating temperature ranges b/w -40 °C to 125 °C and available in SOIC-8 Package.


  • Fully integrated PLL-stabilized VCO
  • Frequency range from 380 MHz to 450 MHz
  • Single-ended RF output
  • FSK through crystal pulling allows modulation from DC to 40 kbit/s
  • High FSK deviation possible for wideband data transmission
  • Very low standby current
  • On-chip low voltage detector
  • High over-all frequency accuracy
  • FSK deviation and center frequency independently adjustable
  • Adjustable output power range from -11 dBm to +10 dBm
  • Adjustable current consumption from 3.4 mA to 10.6 mA
  • Conforms to EN 300 220 and similar standards


  • Remote Controls
  • Alarm and Security Systems
  • Garage Door Openers
  • General Digital Data Tansmission
  • Home and Building Automation
  • Low Power Telemetry Systems