Display & Controls |
Headless (requires external control via PC, Maestro, or SmartSDR) |
Headless (requires external control via PC, Maestro, or SmartSDR) |
Headless (requires external control via PC, Maestro, or SmartSDR) |
Independent Receivers |
2 |
4 |
8 |
Spectral Capture Units (SCUs) |
1 |
1 |
2 |
Panadapters |
Up to 2 |
Up to 4 |
Up to 8 |
Transverter Ports |
1 |
1 |
2 |
Antenna Ports |
2 TX/RX (ANT1, ANT2), 1 RX only (RXA) |
2 TX/RX (ANT1, ANT2), 1 RX only (RXA) |
2 TX/RX (ANT1, ANT2), 2 RX only (RXA, RXB) |
ATU (Antenna Tuner Unit) |
Optional internal ATU |
Standard internal ATU |
Standard internal ATU |
Frequency Coverage |
RX: 0.03–54 MHz; TX: 160–6 m amateur bands |
RX: 0.03–72 MHz; TX: 160–6 m amateur bands |
RX: 0.03–77 MHz & 135–165 MHz; TX: 160–6 m amateur bands |
Transmit Power |
100W (SSB/CW/FM), 25W (AM) |
100W (SSB/CW/FM), 25W (AM) |
100W (SSB/CW/FM), 25W (AM) |
Optional Extended Transmit Board |
x |
TURF file |
TURF file |
Full Duplex Operation |
 |
 |
 |
Diversity Reception |
x |
x |
 |
GPSDO Support |
x |
Optional |
Optional |
SmartSDR Max Version |
Current |
Current |
Current |
Manufacturing Status |
Discontinued |
Discontinued |
Discontinued |
Receiver RMDR |
110 dB |
115 dB |
124 dB |
Transmitter IMD |
Better than -41 dB below 100W PEP @14.2 MHz |
Better than -41 dB below 100W PEP @14.2 MHz |
Better than -41 dB below 100W PEP @14.2 MHz |
MultiFLEX Support |
 |
 |
 |
CESSB Support |
 |
 |
 |
Band Pass Filters |
x |
3rd Order |
3rd Order |
Remote Operation |
Yes (via SmartLink, SmartSDR, Maestro) |
Yes (via SmartLink, SmartSDR, Maestro) |
Yes (via SmartLink, SmartSDR, Maestro) |
Ideal For |
Entry-level SDR users seeking a simple, capable platform |
Advanced hams needing more panadapter and receiver flexibility |
Elite operators requiring top-tier RX diversity and multi-band capability |