| Modelo | Radio útil mínimo | Radio útil máximo |
|---|---|---|
| RT440B | 3 m - 10 pies. | 21.3 m - 70 pies. |
| RC45 | 2.5 m - 8.2 pies. | 32 m - 105 pies. |
| RC40 | 3 m - 9.8 pies. | 25 m - 82 pies. |
| RC35 | 3 m - 9.8 pies. | 21 m - 68.9 pies. |
| AT-20 | 1.4 m - 4.6 pies. | 15.8 m - 51.8 pies. |
| AT-15 | 1.6 m - 5.2 pies. | 15.9 m - 52 pies. |
| A600 | 3 m - 9.8 pies. | 30 m - 98.4 pies. |
| A350 | 3 m - 9.8 pies. | 25 m - 82 pies. |
| A300 | 3 m - 9.8 pies. | 24 m - 78.7 pies. |