BK4819
Overview
The BK4819 is a half duplex TDD FM transceiver operating within 18 MHz ~ 660 MHz, 840 MHz ~1300 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.
- World wide band: 18 MHz ~ 660 MHz, 840 MHz ~1300 MHz
- 12.5/25/6.25/20 kHz channel spacing
- On chip 7 dBm RF PA
- 2.6 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
