| GENERAL | 
| Type: | VHF/UHF receiver/scanner | 
| Frequency range: | 29-54 / 136-174 / 406-512 MHz | 
| Tuning steps: | 5 KHz | 
| Frequency stability: |  | 
| Mode: | FM | 
| Channels / memory management: | 20 regular @ 15 channels per second 1 search range
 1 priority
 RAM storage
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| Power supply: | 4.8 VDC (NiCd battery pack) or 12 VDC external (Male mini barrel jack, center positive)
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| Current drain / power consumption: | ? mA | 
| Antenna impedance / connector: | 50 ohm / BNC | 
| Dimensions (W*H*D): | 70*155*25 mm (2.76*6.1*0.98") | 
| Weight: | 305 g (10.76 oz) | 
| Other features: | Backlit display. | 
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| RECEIVER SECTION | 
| Receiver system: | Double conversion superheterodyne 1st IF: ? MHz
 2nd IF: ? KHz
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| Sensitivity: | 29-54 MHz: 0.4 uV 137-174 MHz: 0.5 uV
 406-512 MHz: 0.7 uV
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| Squelch sensitivity: |  | 
| Noise figure: |  | 
| Selectivity: | 50 KHz (-55 dB) | 
| Image rejection: |  | 
| AF output power / speaker: | 140 mW at 10% distortion / 8 ohm | 
| External speaker connector: | TS "Minijack" (2.5 mm), 8-16 ohm | 
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| MISCELLANEOUS | 
| Manufactured: | Taiwan (Early) and Philippines (Later), 1986-199x (Discontinued) | 
| Additional info: | FCC ID: AMW3K3-UB107 | 
| Related documents: | User manual (2.7 MB) | 
| Modifications and fixes: |  | 
| Reviews: |  | 
| Options / Accessories: | 
| AD-70U BP-70
 UA-502
 UA-502A
 | AC adapter NiCd battery pack
 Vehicle power cord
 Coiled power cord
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