The SunSDR2 PRO transceiver was designed for advanced operation on HF and VHF bands, even the most demanding operator will be surprised by its capabilities. Modern hardware along with the ExpertSDR3 software makes this high-performance SDR transceiver the perfect base station and at the same time perfectly suitable for field operations.
Main capabilities
* ** These functions are supported by the transceiver's hardware, but are not implemented in the ExpertSDR2 software.
Transceiver SunSDR2 PRO configuration
Additional accessories:
The main improvements in SunSDR2 PRO in comparison to SunSDR2
SunSDR2 PRO transceiver is optimized for mass production with improvements, which were implemented after 5 years of manufacturing and extensive usage of the SunSDR2.
RF ADC, bit @ MHz | 16 @ 160 |
ADC type | LTC2209 |
RX Frequency range, MHz | 0.1...65; 95...155 |
Independent software receivers | 2 + 2 SubRX |
Sample rate, kHz @ bit | 39; 78; 156; 312 @ 24 |
Bandscope, MHz | 80 |
RX HF filters, MHz | LPF: 65 or 9 x BPF |
RX VHF filters, MHz | WideRX: 95-155 or SAW filter for 2M: 144-148 |
BDR on HF, dB | 130 |
BDR on VHF, dB | 114* |
Sensitivity, uV | 0.2 |
DR IMD3, not less dB | 98 |
RMDR, dB | 110 |
ATT/Preamp, dB | -20; -10; 0; +10 |
VHF LNA, dB | +22 |
RF DAC, bit @ MHz | 14 @ 640 |
TX Frequency range, M | All amateur bands 160-6; 2 |
Output power on HF, W | 15 (up to 20) |
Output power on 6M, W | 15 |
Output power on VHF, W | 7 (up to 8) |
TX IMD3, dB | 25-30 on HF/VHF |
Local oscillator TCXO, MHz +/- ppm | 20 +/- 0.5 |
External 10 MHz oscillator input | + |
Built-in audio codec, bit | 24 |
RF input/output | 2HF, 1VHF (Mini_UHF) ADC IN, DAC OUT (SMA) |
PC interface | LAN 100 Mbit |
DC voltage range in RX/TX, V | 10...16/ 12...16 |
Recommended DC voltage, V | 15 |
Current consumption RX/TX, A | 1.25 / 5 |
Power consumption RX/TX, W | 19 / 75 |
Operating temperature, °C/°F | 0...+50/ +32...+122 |
Dimensions L x W x H, cm/inches | 18.5 x 16.5 x 5.0/ 7.48 x 6.69 x 1.97 |
Weight, kg/lbs | 1.5/ 3.31 |
Specifications are subject to change without notice or obligation and specifications are only guaranteed within the amateur radio bands.
Terms of the product's warranty
Getting Started
Empezando (Getting Started in Spanish) 11-09-19
Conexión del transceptor SunSDR2 al PC 11-09-19
"Setting up SunSDR2 PRO for DUMMIES" by Pete Parisetti, MM0TWX
El primer procedimiento 11-09-19
User Manual v1.5 06-07-22
Betriebsanleitung v1.3.1 (User Manual in German) 22-11-19
中文软件操作手册 V1.4 (User Manual in Chinese) 03-05-18
MANUAL DE USUARIO v1.5 (User Manual in Spanish) 11-09-19
User Manual Addendum, by Erik EI4KF
Adenda del Manual del Usuario version 6.12 12-05-21
Setup instructions for WSJT-X, ExpertSDR2 and MacLoggerDX
How to set the WLAN module to the Client mode
Useful diagrams
ExtCtrl to SPE Expert PAs connection diagram
ExtCtrl to ACOM PAs connection diagram
ExtCtrl to EB104 connection diagram
Recommended by EB104 manufacturer
ExtCtrl to EB104 connection diagram with relay
SO2V operation with SDC
Both diagrams can be used for creating two working places with a single SunSDR2 PRO/DX transceiver.
Connecting an external PA, fan, relay, etc. to the SunSD2 PRO
In this document, you can find information about how to connect the SunSDR2 PRO to an external PA, fan, or relay to control the external BPF, antenna switch, etc.
Control cable schematic for external PA VL-1000 (Yaesu)
This schematic allows you to assemble your own control cable for PA VL-1000 by Yaesu. With this cable, you control PA's bands and RX/TX mode. This cable might be used for control of other devices, which works with 4-contact control protocol by Yaesu, e.g. PAs, antenna switches, etc.
Warning! Software is device-specific! Don't mix software with unsuitable hardware, it may lead to issues that are not covered by warranty!
Warning! |
Warning! |
Welcome to the new generation of SDR software – ExpertSDR3!
In 2021, we turned a new page in our history by launching the ExpertSDR3.
ExpertSDR3 software is being tested on the latest versions of Windows 10, Linux Ubuntu 22.04, and macOS 12 (with Intel CPU).
To report software bugs, please use this page.
ExpertSDR3 1.0.4 Beta
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ExpertSDR3 minimal system requirements:
Release Notes for alpha/beta versions of the ExpertSDR3 (link to a Google Drive folder)
Notas de la versión beta 1_0_0 de ExpertSDR3
Expert Remote System (ERS) reviewed by Werner Schnorrenberg (DC4KU) (July 2022)
English version / German version
Published in Funkamateur
Expert Remote System (ERS) reviewed by Werner Schnorrenberg (DC4KU) (July 2022)
English version / German version
Published in Funkamateur
TX noise performance of modern HF transceivers by S57AL, S51RM, S50K, S53MM, S53RM, S53WW, S53ZO, S55OO, S57C, S57K, S57L, S57NAW (January 2021)
Note: SunSDR2 PRO was tested separately, later.
Review of the SunSDR2 PRO and SunSDR2 DX by Graziano Roccon, IW2NOY (March 2020)
ExpertRemote system reviewed by Werner Schnorrenberg (DC4KU) (November 2019)
Published in Funkamateur 3-2020
Review by Werner Schnorrenberg, DC4KU (June 2019)
Published in German, in the CQ DL magazine in the 8th, 9th, 10th-2019 issues
Review in Radioamater, by Pavel Misek, OK7PM (October 2018)
In Czech
Hamradio expedition to Saint Brandon island, 3B7A (April 2018)
Review in QST by Mark J. Wilson, K1RO (October 2016)
Review by Adam Farson, VA70J/AB40J (September 2015) + addendum (January 2016)
Review in SDRZone.com by Andrew Barron ZL3DW (August 2015)
Review in RadCom by Mike Richards, G4WNC (December 2015)