| GENERAL | 
| Type: | HF/VHF/UHF receiver/scanner | 
| Frequency range: | USA 25-520 / 760-1300 MHz
 Voluntarily cellular blocked by RadioShack
 but it could easily be restored.
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| Tuning steps: | 5 / 12.5 / 30 / 50 KHz | 
| Frequency stability: | ? ppm | 
| Mode: | AM / FM / WFM | 
| Channels / memory management: | 300 regular in 10 banks @ 16 or 8 channels per second 10 temporary in 1 bank
 10 search ranges @ 16 or 8 steps per second
 1 priority, freely selectable
 RAM storage with a 9 V battery backup
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| Power supply: | Mains: 120 VAC (Fixed power cord) or 13.8 VDC (Male barrel jack, center positive)
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| Current drain / power consumption: | Less than 870 mA @ 13.8 VDC | 
| Antenna impedance / connector: | 50 ohm / BNC | 
| Dimensions (W*H*D): | 275*75*230 mm (10.82*2.95*9.05") | 
| Weight: | 3.2 Kg (7 lb) | 
| Other features: | Sound squelch. Tape out jack. 10 dB attenuator. Dimmer. | 
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| RECEIVER SECTION | 
| Receiver system: | Triple conversion superheterodyne 1st IF: 607.505-611.5 MHz
 2nd IF: 48.5 MHz
 3rd IF: 455 KHz (AM/FM) - 10.7 MHz (WFM)
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| Sensitivity: | AM (20 dB S/N @ 60% modulation) 25-520 MHz: 2 uV
 760-1100 MHz: 2 uV
 1100-1300 MHz: 3 uV
 FM (20 dB S/N @ 3 KHz deviation)
 25-520 MHz: 0.5 uV
 760-1100 MHz: 0.5 uV
 1100-1300 MHz: 3 uV
 WFM (30 dB S/N @ 22.5 KHz deviation)
 25-520 MHz: 3 uV
 760-1100 MHz: 3 uV
 1100-1300 MHz: 10 uV
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| Squelch sensitivity: | AM/FM 25-1100 MHz: 0.5 uV (Threshold)
 1100-1300 MHz: 3 uV (Threshold)
 WFM
 25-1100 MHz: 3 uV (Threshold)
 1100-1300 MHz: 10 uV (Threshold)
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| Noise figure: |  | 
| Selectivity: | AM/FM 18 KHz (-6 dB)
 30 KHz (-50 dB)
 WFM
 300 KHz (-6 dB)
 600 KHz (-50 dB)
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| Image rejection: |  | 
| AF output power / speaker: | 1.8 W at ?% distortion / 8 ohm | 
| External speaker connector: | TS "Minijack" (3.5 mm) | 
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| MISCELLANEOUS | 
| Manufactured: | Japan (By GRE), 1986-1988 (Discontinued) | 
| Additional info: | FCC ID: AAO9ZA20-119 
 New price 1987 in the US: $399.95
 New price 1988 in the US: $419.95
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| Related documents: | User manual (2.5 MB) Service manual (33.6 MB)
 FM/IF: TK10420
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| Modifications and fixes: |  | 
| Reviews: | Popular Communications: August 1987, page 16 | 
| Options / Accessories: |  |