Pro-31A
Источник:
GENERAL
| Type | VHF/UHF receiver/scanner |
|---|---|
| Frequency range | USA 30-54 / 138-174 / 380-512 MHz |
| Tuning steps | — |
| Frequency stability | — |
| Mode | FM |
| Channels / memory management | 10 regular |
| Power supply | 7.2-9 VDC (Six R6 / AA alkaline or NiCd batteries)or? VDC external |
| Current drain / power consumption | — |
| Antenna impedance / connector | 50 ohm / BNC |
| Dimensions (W*H*D) | ? mm (3*7.5*3") |
| Weight | ? g (1 lb) |
| Other features | — |
RECEIVER SECTION
| Receiver system | Double conversion superheterodyne 1st IF: 10.7 MHz 2nd IF: 455 KHz |
|---|---|
| Sensitivity | VHF low: 0.6 uV (20 dB S/N) VHF high: 1 uV (20 dB S/N) UHF: 1 uV (20 dB S/N) |
| Squelch sensitivity | — |
| Noise figure | — |
| Selectivity | 18 KHz (-6 dB)30 KHz (-50 dB) |
| Image rejection | — |
| AF output power / speaker | ? mW at ?% distortion /? ohm |
| External speaker connector | — |
MISCELLANEOUS
| Manufactured | Japan (By GRE), 1987-198x (Discontinued) |
|---|---|
| Additional info | — |
| - | - |