| Mini-Products M-4 
 
   SPECIFICATIONS
| Type: | Amateur HF mobile antenna |  
| Frequency range / band(s): | 6 / 10 / 15 / 20 m |  
| Bandwidth: | Full bandwidth @ SWR less than 2:1 |  
| Gain: |  |  
| Beamwidth (-3 dB): | Omni |  
| G/T @ 30° elevation: | - |  
| Max power: | ? W |  
| Impedance / connector: | 50 ohm / 3/8" base stud |  
| Wind area: | ? m² (? ft²) |  
| Max wind resistance: | ? m/sec (? mph) |  
| Turning radius: | - |  
| Dimensions: | Length: 1.73 m (5.68 ft) |  
| Weight: | ? Kg (? lb) |  
| Mast mount diameter: | - |  
| Manufactured: | USA, 1960-196x (Discontinued) |  
| Additional info: | New price, september 1960 in the US: $16.95. |  
| Related documents: |  |  
| Reviews: |  |  
| Options / Accessories: |  |  |