Overview

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BK4802N is a half duplex TDD FM/ASK transceiver IC designed for worldwide toy walkie-talkie and remote controller.

Features

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1. Operating Frequency 19MHz~33MHz

2. Operating Frequency 127MHz~177MHz

3. Operating Frequency 38MHz~66MHz MHz

4. Operating Frequency 380MHz~530MHz

5. Half-duplex transceiver chip

6. 12.5/25 kHz Channel Spacing

7. On-chip FM Mod/De-mod

8. On-chip 10dBm RF Power Amplifier

9. 2.8V~3.6V Supply Voltage

10. Auto Squelch

11. On-chip RF T/R Switch

12. On-chip ASK Mod/De-mod

13. On-chip Microphone Amplifier

14. On-chip 250mW Audio Amplifier

15. Can Work without MCU

16. I2C Interface

17. On-chip ROM Support 16 Channels

18. Can Work with External EEPROM

19.QFN 4x4 32PIN Package