| GENERAL | 
| Type: | HF/VHF/UHF receiver/scanner | 
| Frequency range: | USA 29-54 / 108-174 / 406-512 MHz
 | 
| Tuning steps: | ? KHz | 
| Frequency stability: | ? ppm | 
| Mode: | AM / FM | 
| Channels / memory management: | 100 regular in 10 banks 1 priority
 NOAA weather channels
 RAM storage with capacitor backup (Up to one hour retention)
 | 
| Power supply: | ? VDC (? R6 / AA batteries) or 12 VDC external
 | 
| Current drain / power consumption: | ? mA | 
| Antenna impedance / connector: | 50 ohm / BNC | 
| Dimensions (W*H*D): | 70*189*35 mm (2.75*7.44*1.38") | 
| Weight: | ? g (? oz) | 
| Other features: |  | 
| 
 | 
 | 
| 
 | 
 | 
| RECEIVER SECTION | 
| Receiver system: | Double conversion superheterodyne 1st IF: ? MHz
 2nd IF: ? KHz
 | 
| Sensitivity: |  | 
| Squelch sensitivity: |  | 
| Noise figure: |  | 
| Selectivity: |  | 
| Image rejection: |  | 
| AF output power / speaker: | ? mW at ?% distortion / ? ohm | 
| External speaker connector: |  | 
| 
 | 
 | 
| 
 | 
 | 
| MISCELLANEOUS | 
| Manufactured: | Philippines (By Uniden), 1991-199x (Discontinued) | 
| Additional info: | FCC ID: AAO3K320-136 
 New price 1992 in the US: $229.95
 New price 1993 in the US: $199.95
 | 
| Related documents: |  | 
| Modifications and fixes: |  | 
| Reviews: |  | 
| Options / Accessories: | 
| 21-541 | Amplified external speaker |  |