WebDRA818U is a type of compact wireless voice transceiver module based on RFIC RDA1846 and works in the UHF band. It integrates high-speed microcontroller, high-performance … WebDRA818 VHF/UHF weekend radio transceiver PCB will operate with DRA818V or DRA818U module. Please bear in mind that output filter coils should be selected/wound with respect to selected frequency band. Schematic diagram can be found on this link . This is a double side PCB with a lot of groundplane and vias to ensure smooth work also on UHF band.
Make your own transceiver with a Dorji DRA818U or DRA818V
WebDRA818U is the successive version of DRA808M which is based on RDA1845. Comparing to DRA808M, CDCSS and audio control AT command are added, which provides more flexibility for the users who need to process audio signal more precisely. DRA818V is the VHF band version of DRA818U. Part Name Frequency Range RFIC Dimension WebWireless Voice Transceiver Module - DRA818U is a type of compact wireless voice transceiver module with standard UART interface, based on RDA1846, works in UHF, integrates a high speed microcontroller, high performance wireless transceiver IC, high power PA, audio processing and squelching circuits. discount mattress stores tampa
UHF band Ham radio walkie talke module DRA818U - Tindie
WebDRA818U DRA818U UHF Band Voice Transceiver Module V1.20 Features: Frequency Range: 400~470MHz Tx/Rx frequency independent Channel space: 12.5/25KHz Configurable multi-channels Sensitivity: -122dBm Output power: +27/30dBm CTCSS / CDCSS codes 8 volume levels 8 squelch levels UART interface Temperature: -30°C … Web1 "dra818u" 3D Model. Every Day new 3D Models from all over the World. Click to find the best Results for dra818u Models for your 3D Printer. WebDRA818V modules use standard UART interface to communicate with microcontrollers or other hosts. The default data format is: 8 data bits, 1 stop bit, no parity and 9600 kbps data rate. DRA818V and DRA818U are based on RDA1846. Comparing to DRA808M based on RDA1845, CDCSS and audio control AT command are added, which provides more … fourth utility