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BK4819

Half-duplex TDD FM Transceiver

Overview


BK4819 is a half-duplex TDD FM transceiver operating within 18 MHz ~ 620 MHz, 840 MHz ~ 1200 MHz band range for worldwide personal radio. Besides speech communication, the BK4819 on-chip FSK data modem supports F2D and F1W emission to be used in both FRS and DPMR band for text message and GPS information exchange.
The BK4819 is a complete, small form factor solution optimized for low-power, low-cost, and highly integrated mobile and portable consumer electronic devices, requiring only a few external decoupling capacitors and an external inductor for input matching.

Features

• Worldwide band: 18 MHz ~ 620 MHz, 840 MHz ~ 1200 MHz
• 12.5/25/6.25/20 kHz channel spacing
• On-chip 7 dBm RF PA
• 3.0 V to 3.6 V power supply
• CTCSS tone receiver with tail CTCSS frequency detector
• 23/24 bit programmable DCS code
• Standard DTMF and programmable in-band dual tone
• SELCALL and programmable in-band single tone
• FSK data modem
• Frequency inversion scrambler
• Voice activated switch (VOX)
• RF signal strength measurement
• TX audio signal strength indication and RX audio signal strength indication
• Frequency scan function
• 3-wire interface with MCU with maximum 8 Mbps clock rate
• QFN32 package, 4 x 4 mm


Applications

Personal radio service
Baby monitor
Toys

Contact Us

info@bekencorp.com

Resume delivery

hr@bekencorp.com

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Beken Corporation

Contact Us:info@bekencorp.com

Resume delivery:hr@bekencorp.com

WeChat

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