Specification:
Fully assembled and ready to use
Uses RTL2832U+R820T chip set
100KHz to 1766MHz, operating frequency
Covers all HF amateur bands
Covers VHF & UHF bands from 24-1766MHz
Up to 3.2 M Sample rate. (~2.8 MHz stable)
Receiver modes AM, NFM, FM, DSB, USB, LSB and CW
8-bit ADC giving ~50 dB dynamic range
50 Ohm input impedance
Double SMA golden antenna connectors
Diode protection on RF input
Aluminum panels
LED power and band indication
40MHz local oscillator for HF conversion
DBM balance ring mixer
Small size board
Free software
Independent antenna inputs for Shortwave and VHF
USB computer connection ( mini usb) Powered by common USB
Very High dynamic range receiver
SPDT High Power UltraCMOSTM RF Switch
Accurate and efficient band filters
Very clean audio reception
All specifications subject to change without notice
Run your SDR
Click in "ON" Shift box
make sure you enter the correct SHIFT frequency (minus) -40 000 000
Switch on SDR toggle switch, red LED will light
Tune your SDR Sharp on the bands.
Reception on this mode from 100KHz to 30MHz
Input antenna is HF
Operation on VHF and UP
Click "OFF" the Shift box
Switch off the SDR toggle switch. Green LED off
Tune SDR on the band you wish to receive
Reception from 25MHz to 1.766GHz
Input antenna is UV
Frequency offset settings for HDSDR
click Options or press F7, select RF Front-End+Calibration
In the select the options within the red line, make sure that the input offset frequency 40 000 000 correct. The first to cancel the selection back to the default.
For more guide: https://s3-ap-northeast-1.amazonaws.com/sain-amzn/28/28-020-787/documentation.zip
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