HAMlab SDR Transceiver Specification

Specifications for the Red Pitaya HAMlab SDR amateur radio transceiver that provides ham radio communications as well as a test instrument capability.

Red Pitaya HAMlab Includes:
Hamlab SDR transceiver     Hamlab specification    

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The Red Pitaya SDR transceiver is a high performance HF ham radio transceiver that can operate on the HF amateur radio bands.

The SDR transceiver specification details the performance across the HF bands.

Red Pitaya HAMlab system in its case
Red Pitaya HAMlab system in its case

HAMlab SDR transceiver capability

The HAMlab SDR transceiver boasts a good number of capabilities. Not only does it provide a good level of performance, but it also has the additional capability for providing measurement instrumentation.

  • SDR + measurement instruments
  • Rugged steel housing
  • LDMOSFET 10W Linear amplifier (160M-6M)
  • 1Gsps Ethernet interface
  • Software selectable 2 antenna ports with BNC and SO 239 UHF connectors
  • Direct connections for a Morse key
  • Direct microphone connection with PTT
  • Headphones and line out audio low latency connection
  • Accessories connection with PTT OUT, PTT IN and serial interface
  • Built-in high performance software selectable low noise preamp 15/30dB and - attenuators 12dB/24dB/36dB
  • Supports 2 fully independent receivers
  • Copper cooling system
  • Works with Power SDR HAMlab edition software available for WINDOWS
  • AM, FM, RTTY, CW, LSB, USB, Digital modes available (limited only by the application software)

HAMlab SDR transceiver specifications


Architecture: Direct sampling / internal high performance 14-bit A/D and D/A 125 Msps converters (no sound card required)
Band coverage: All band receiver with 5 bands transmitter (80, 40, 20, 10 m)
Transmit power: up to 10 W
Wideband Frequency Coverage: 25 kHz - 62.25 MHz
Connection to PC: 1 Gbit ethernet or WIFI connection
Software: Power SDR, HDSPR, Gqrx, GNU Radio, GNU Radio Companion and Pothos
Phones and MIC connection: available on the front panel
Secondary Rx and Tx channel: available through back panel BNC connectors (RX2 IN, XVTX)
CW key and paddle input: available through front panel jack connector

4.1.2. Receiver Specifications

Architecture: Direct Digital Sampling
ADC Sampling Rate: 125Msps
ADC Resolution: 14 bits
Wideband Frequency Coverage: 25 kHz - 62.25 MHz
MDS (min. detectable signal): MDS (typ)@ 500Hz BW
Preamp OFF at 14MHz -113dBm
Preamp +15dB at 14MHz -130dBm
Preamp +30dB at 50MHz -135dBm
  More MDS measurements.
Preselectors: Available as add-on module (comming soon)
  User can also connect own preselectors/filters to back panel BNC connectors (RX1 IN, RX1 OUT)

Transmitter Specifications

Architecture: Direct Digital Up-conversion
TX DAC Sampling Rate: 125 Msps
TX DAC Resolution: 14 bits
RF Output Power: up to 10 W CW and SSB at @ 13.8 V input voltage (max. 15 V)
Transmitter Frequency Range: 80 - 10 m (amateur bands only)
Low Pass PA Filter Bands: 80 m / 40 m / 20 m / 10 m (possibility to changed it to any range 1.8 - 50 MHz)
Emission Modes Types: not limited by HAMlab hw, depending on 3rd party SDR software used
Harmonic Radiation: better than -45 dB
3rd-Order IMD: better than -35 dB below PEP @ 14.2 MHz 10 Watts PEP
Cooling: copper heat spreader
Microphone connector: RJ45
Microphone impedance: 600 ohm unbalanced

General Specifications

Antenna Connector: SO-239 UHF or BNC back panel connector (ANT1, ANT2)
Antenna Impedance: 50 Ohm Unbalanced
RF Output Power: up to 10 W CW and SSB at 13.8 V input voltage (max. 15 V)
Maximum Interconnect Cable Length Ethernet: 100 meters (328 feet), Category 5 cable
Power connector: PowerPole