SDR LINUX Platform. Frequency Stability: ±1ppm (20 minutes after start). You can do FT8 FT4 etc without a PC. Stray Suppression: 1.8~29.6MHz: ≥50dB | 50~54MHz: ≥60dB. Sideband Suppression: ≥50dB. 2.5W(AM) @13.8VDC | 1.5W @battery.
eBay