BK4813
BK4813 is Analog Two Way Radio-IC manufactured by BEKEN.
Analog Two Way Radio IC
Features
- World wide band: 134 ~ 490 MHz
- 12.5/25 kHz channel spacing
- On chip 4 dBm RF PA
- 2.4 V to 3.6 V power supply
- CTCSS tone receiver with up to parallel eight frequency detector
- 23/24 bit programmable DCS code
- Standard DTMF and programmable in-band dual tone
- SELCALL and programmable in-band single tone
- 1.2/2.4 kbps FSK data modem with either F2D or F1W modulation type
- Frequency inversion scrambler
- Voice activated switch (VOX) and time-out timer
- RF Signal strength measurement and signal quality measurement
- TX Audio signal strength indication and RX audio signal strength indication
- 3-wires interface with MCU with maximum 8 Mbps...
