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 ExpertSDR2 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 is not implemented in the ExpertSDR2 software. They will be supported in the future ExpertSDR2 software releases.
The ExpertSDR2 minimal system requirements:
The ExpertSDR2 software supports Windows 7-10 32/64 bit, Linux (Ubuntu/Kubuntu 18.04 x64), and macOS 10.14 Mojave and higher.
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 | 19.0 x 17.0 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 20-11-18
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 6.11 28-09-20
ExpertSDR2 + LogHX + JTDX, by Sergey (RJ7M, ex UA0ZS)
Spanish translation
This document describes how to set up ExpertSDR2 + LogHX + JTDX
Setup instructions for WSJT-X, ExpertSDR2 and MacLoggerDX
ExpertSDR2 and CW Skimmer
This guide describes how to setup ExpertSDR2 for use with one or two CW Skimmers ExpertSDR2 y CW Skimmer (in Spanish)
How to set the WLAN module to the Client mode
Useful diagrams
BAND-data cable wiring for the connection to SPE Expert PAs
ExpertSDR2 settings for BAND-data cable
Using the transceiver for SO2V operation
Using the transceiver for SO2V operation with SDC
Both diagrams can be used for creating two working places with a single SunSDR2 PRO 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.
ExtCtrl to EB300 connection diagram
Warning! Software is device-specific! Don't mix software with unsuitable hardware, it may lead to issues that are not covered by warranty!
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Review in RadCom by Mike Richards, G4WNC (December 2015)
Review in SDRZone.com by Andrew Barron ZL3DW (August 2015)
Review by Adam Farson, VA70J/AB40J (September 2015) + addendum (January 2016)
Review in QST by Mark J. Wilson, K1RO (October 2016)
Review in Radioamater, by Pavel Misek, OK7PM (October 2018)
In Czech
Review by Werner Schnorrenberg, DC4KU (June 2019)
Published in German, in the CQ DL magazine in the 8th, 9th, 10th-2019 issues
ExpertRemote system reviewed by Werner Schnorrenberg (DC4KU) (November 2019)
Published in Funkamateur 3-2020
Review of the SunSDR2 PRO and SunSDR2 DX by Graziano Roccon, IW2NOY (March 2020)
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.