1#圈圈虫1989
RDA1845,国内锐迪克公司生产,300Mhz-500 MHz ,
The RDA1845/1845D is a single-chip transceiver for Walkie Talkie with fully integrated synthesizer, IF selectivity and base-band signal processing. The transceiver uses the CMOS process, support digital volume control and require the least external component. The package size is 6X6mm and is completely adjustment-free.