Radio Shack Dx-390 Owners Manual ((top)) -

| Parameter | Value | |-----------|-------| | Frequency range | MW: 520–1710 kHz LW: 150–450 kHz SW: 1.6–26.1 MHz (9 bands) FM: 87.5–108 MHz | | Sensitivity (SW) | < 10 µV for 10 dB S/N | | Selectivity | ±4 kHz (-6 dB), ±20 kHz (-60 dB) [AM/SW] | | IF rejection | > 60 dB (SW) | | Image rejection | > 40 dB (SW, below 10 MHz) | | Audio output | 250 mW into 8 ohms | | Speaker | 2.5 inch (66 mm) dynamic | | Headphone jack | 3.5mm stereo (mono speaker output) | | Dimensions | 190 × 115 × 32 mm | | Weight | 570 g (without batteries) |