| Modelo | Radio útil mínimo | Radio útil máximo |
|---|---|---|
| RTC8090 Serie II | 2.4 m - 8 pies. | 39.6 m - 130 pies. |
| RTC8080 Serie II | 3 m - 10 pies. | 39.6 m - 130 pies. |
| RTC8075 | 2.4 m - 8 pies. | 35.1 m - 115 pies. |
| RTC8065 Serie II | 2.7 m - 9 pies. | 32 m - 105 pies. |
| RTC8050 Serie II | 3 m - 10 pies. | 30.5 m - 100 pies. |
| RTC8040 Serie II | 3 m - 10 pies. | 29 m - 95 pies. |
| RTC8040 | 3 m - 10 pies. | 29 m - 95 pies. |
| RTC8030 Serie II | 3 m - 10 pies. | 25.9 m - 85 pies. |
| RTC80100 Serie II | 3 m - 10 pies. | 24.4 m - 80 pies. |
| RTC80100 | 3 m - 10 pies. | 24.4 m - 80 pies. |