Features

• Worldwide band: 18 MHz ~ 580 MHz, 760 MHz ~ 1160 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

General Description

The BK4829 is a half-duplex TDD FM transceiver operating within 18 MHz ~ 580 MHz, 760 MHz ~ 1160 MHz band range

for worldwide personal radio. Besides speech communication, the BK4829 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.