This article provides a list of commercially available software-defined radio receivers.
3.57 – 3.474 MHz, 7.104 – 7.008 MHz, 10.173 – 10.077 MHz, 14.095 – 13.999 MHz (also purchasable in other tunings) 0.01 ppm w/ GPSDO Option 0.01 ppm w/ GPSDO Option GPSDO Option 20 ppb (GPS unlocked)
GPSDO Option 20 ppb (GPS unlocked) 0.01 with GPS lock TX: 875–1525 MHz
TX: all amateur bands 1.8 - 30 MHz
0.01 with GPS lock Expert Electronics