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Transceiver SunSDR2 QRP
The SunSDR2 QRP is the HF and 6M transceiver with 5W output power and a wide range of capabilities. Thanks to the constantly improving ExpertSDR2 software and advantages of the direct sampling the SunSDR2 QRP can solve any given task for a reasonable price. The SunSDR2 QRP can be used either locally via the LAN interface or remotely using the Expert Remote system, it gives you flexibility in arranging your working place as never before.
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Expert ElectronicsDescription
Main features
Immense functionality for a reasonable price
Designing each our device, we try to reach the best balance between the price and functionality
Full support of the ExpertSDR2 software
Continuously growing and improving ExpertSDR2 software is 100% compatible with the SunSDR2 QRP and will continue to support it for many years to come, for free!
External control connector
Connect up to 8 external devices to 8 powerful keys with open collectors, such as PAs, external filters, rotate antenna devices etc.
Remote control operation
Using it, you connect PTT and CW-key to the E-Coder panel. Microphone and E-Coder are connected to the remotely set up PC
TCI interface
Use it for seamless connection with third-party software, the list of software with TCI support
No need for an external soundcard
The SunSDR2 QRP does not require an external sound card and audio cables, just plug your headphones in the transceiver and listen to the air
16-bit ADC at 122.88 MHz
The SunSDR2 QRP has the best ADC in its price range which provides 122 dB BDR
Sample rates: 48-384 kHz
At the same time, you can use a 60 MHz wide bandscope + 2 software RXs, each has a SubRX
Special mode for 768 kHz or 960 kHz sample rate, only for 1 RX + bandscope at the same time
Supports 4M band only for RX in the 2nd Nyquist zone
Application field
HAM amateur HF transceiver
Remote operation just for fun and for contests
Spectrum analyzer with the wide bandscope up to 60MHz
Record IQ files and listen to them afterward
RF ADC, bit @ MHz 16 @ 122.88
ADC type LTC2165
RX Frequency range, MHz 0.1...55; 70...70.5
Undersampling, MHz 0.1...500
Independent software receivers 2 + 2 SubRX
Sample rate, kHz @ bit 48; 96; 192; 384 @ 24
768; 960 @ 16 (only RX1)
Bandscope, MHz 61
RX HF filters, MHz LPF: 58 + 8 x BPF
RX VHF filters, MHz HPF: 68 + BPF for 4M
BDR on HF, dB 122
Sensitivity, uV 0.1
DR IMD3, not less dB 100
RMDR, dB 107
ATT/Preamp, dB -20; -10; 0; +10
RF DAC, bit @ MHz 14 @ 122.88
TX Frequency range, M All amateur bands 160-6
Output power on HF, W 5
Output power on 6M, W 5
TX IMD3, dB 30
Local oscillator TCXO, MHz +/- ppm 16 +/- 2.5
External 10 MHz oscillator input +
Built-in audio codec, bit 24
RF input/output 1 (Mini-UHF)
PC interface LAN 100 Mbit
DC voltage range in RX/TX, V 8...15 / 10...15
Recommended DC voltage, V 12
Current consumption RX/TX, A 0.3 / 3
Power consumption RX/TX, W 3.6 / 36
Operating temperature, °C/°F 0...+50/ +32...+122
Dimensions L x W x H, cm/inches 18.5 x 10.6 x 4.5/ 6.5 x 3.94 x 1.38
Weight, kg/lbs 0.8/ 1.8
Immense functionality for a reasonable price
Designing each our device, we try to reach the best balance between the price and functionality
Full support of the ExpertSDR2 software
Continuously growing and improving ExpertSDR2 software is 100% compatible with the SunSDR2 QRP and will continue to support it for many years to come, for free!
External control connector
Connect up to 8 external devices to 8 powerful keys with open collectors, such as PAs, external filters, rotate antenna devices etc.
Remote control operation
Using it, you connect PTT and CW-key to the E-Coder panel. Microphone and E-Coder are connected to the remotely set up PC
TCI interface
Use it for seamless connection with third-party software, the list of software with TCI support
No need for an external soundcard
The SunSDR2 QRP does not require an external sound card and audio cables, just plug your headphones in the transceiver and listen to the air
16-bit ADC at 122.88 MHz
The SunSDR2 QRP has the best ADC in its price range which provides 122 dB BDR
Sample rates: 48-384 kHz
At the same time, you can use a 60 MHz wide bandscope + 2 software RXs, each has a SubRX
Special mode for 768 kHz or 960 kHz sample rate, only for 1 RX + bandscope at the same time
Supports 4M band only for RX in the 2nd Nyquist zone
Application field
HAM amateur HF transceiver
Remote operation just for fun and for contests
Spectrum analyzer with the wide bandscope up to 60MHz
Record IQ files and listen to them afterward
RF ADC, bit @ MHz 16 @ 122.88
ADC type LTC2165
RX Frequency range, MHz 0.1...55; 70...70.5
Undersampling, MHz 0.1...500
Independent software receivers 2 + 2 SubRX
Sample rate, kHz @ bit 48; 96; 192; 384 @ 24
768; 960 @ 16 (only RX1)
Bandscope, MHz 61
RX HF filters, MHz LPF: 58 + 8 x BPF
RX VHF filters, MHz HPF: 68 + BPF for 4M
BDR on HF, dB 122
Sensitivity, uV 0.1
DR IMD3, not less dB 100
RMDR, dB 107
ATT/Preamp, dB -20; -10; 0; +10
RF DAC, bit @ MHz 14 @ 122.88
TX Frequency range, M All amateur bands 160-6
Output power on HF, W 5
Output power on 6M, W 5
TX IMD3, dB 30
Local oscillator TCXO, MHz +/- ppm 16 +/- 2.5
External 10 MHz oscillator input +
Built-in audio codec, bit 24
RF input/output 1 (Mini-UHF)
PC interface LAN 100 Mbit
DC voltage range in RX/TX, V 8...15 / 10...15
Recommended DC voltage, V 12
Current consumption RX/TX, A 0.3 / 3
Power consumption RX/TX, W 3.6 / 36
Operating temperature, °C/°F 0...+50/ +32...+122
Dimensions L x W x H, cm/inches 18.5 x 10.6 x 4.5/ 6.5 x 3.94 x 1.38
Weight, kg/lbs 0.8/ 1.8