DR-4020
DUAL BAND QRP DIGITAL RADIO
Manual
DR4020 is a 40m/20m dual-band radio for digital modes that requires a computer with specific
applications to use. It can be used in the popular FT8, FT4, JT65, as well as PSK31, SSTV and
other modes.
Specifications:
Dimensions
Weights
Operating
Voltage
Current
Frequency
Filter BW
Output
Memory
TX method
88*38*124mm
（buttons are excluded）
320
G
10-14VDC
50Ma @RX
，
700-800mA
（
12V
）@TX
7.0-7.2MHz
。
14-14.35MHz
USB
400
-2800Hz
4-5W
（
12V
）
5 memories per each band,user defined
VOX，Control audio voltage：less than
30mVp
，full power：
70mVp @40m
，
120mVp @20m
。
The signal inputs and outputs have a 1:1 isolation transformer to electrically isolate the radio from
the computer and reduce interference.
