| Year | 1930 |
| Weapon Type | Light Anti-Aircraft Gun |
| Origin & Designer | Switzerland/Oerlikon |
| Numbers Produced | 150 |
| Crew | 5 |
| Calibre | 20mm (20x110RB) |
| Elevation | -10° to +75° |
| Traverse | 360° |
| Breech | Blowback |
| Recoil | Spring |
| Gun Sight | Ring |
| Gun Mount | Tri-Pod |
| Carriage | Twin Wheeled |
| Trailers | [@trailers] |
| Gun Shield | [@gun_shield] |
| Armoured Plate | [@armoured_plate] |
| Barrel Length | 2.240m (L/70) |
| Overall Length | [@length] |
| Width | [@width] |
| Height | [@height] |
| Weight | Weight in Transit: 510 kg Weight in Action: 366 kg |
| Round Weight | 0.241 kg |
| Muzzle Velocity | 820 m/s |
| Feed | 60 Round Drum |
| Magazine Capacity | [@magazine_capacity] |
| Practical Rate of Fire | 320 r.p.m. |
| Rate of Fire | [@rate_of_fire] |
| Maximum Rate of Fire | 450 r.p.m. |
| Maximum Ceiling | 3.050m |
| Maximum Ground Range | 4.389m |
| Maximum Range | [@maximum_range] |
| Armour Penetration | [@armour_penetration] |
| Traction | Motorised |
| Variants | [@variants] |
| Notes | [@notes] |