BK4813/BK4815中文资料无线语音数据手册BEKEN规格书

描述 Description

The BK4815 is a half duplex TDD FM transceiver operating from 124 MHz to 560 MHz band for worldwide personal radio. Besides speech communication, the BK4815 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 BK4815 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.

特性 Features

• World wide band: 123 ~ 560 MHz

• 12.5/25 kHz channel spacing

• On chip 5 dBm RF PA

• 3.0 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 clock rate

• QFN 4x4 32-Pin package

应用 Application

• Personal Radio Service

• Baby Monitor

• Toys