DR4020 Dual band Digital QRP radio
DR4020 Dual band Digital QRP radio - Image 2

DR4020 Dual band Digital QRP radio

$118.00 – $146.00

A simple QRP digital transceiver.          — Fully assembled and tested– (Now with Kit available as well — Control board assembled/Mainboard needs soldering)

Perfect for outdoor digital radio contacts,such as FT8,FT4,JT65 etc.

DR4020 now supports RF power meter and USB/LSB switchs.

Band: 20m and 40m.

Download MANUAL here

Download 2023 version updates

Download Kit Assembly Instructions here   ( 2019/2020 version ，using in-line package  components)

Download Kit Assembly Instructions here  ( 2021 SMD version )

Frequency range:

7.0 – 7.2 Mhz ;  14.00 – 14.35 Mhz

Output power: 4 watts @12V

Modulation: DIGI on USB mode

SKU: N/A Category:

Description

Two Options Available:

1,   Assembled : DR4020 with 2 straight 3.5mm stereo cables plus a USB sound card (assembled and ready to use)

2,  Kit : DR4020 Kit (Soldering skill required)

 

———– Note: DR-4020 is a pure Single Side Band radio,unless other DSB radio may harm the spectrum. DR-4020 may even use a SSB transceiver by adding an electret microphone 🙂 ——-

——————— 2021 version is now using SMD components ——————————————–

Schematics for reference.

How to modify DR4020 as a 20m SSB QRP radio.

 

See more photos and talk to other owners by joining the group:

https://www.facebook.com/groups/2208133992821820/

 

Additional information

Weight 0.32 kg
Dimensions 8.8 × 3.8 × 12.4 cm
Adapter Selection

Assembled (ship via DHL/FedEx), Assembled (ship via Post), Basic + CITA adapter(ship via DHL/FedEx), Basic + CITA adapter(ship via Post), Basic + RPI sound card(ship via DHL/FedEx), Basic + RPI sound card(ship via Post), Kit (ship via DHL/FedEx), Kit (ship via Post)

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