The SX-40 is a cross-needle SWR and power meter, featuring two pointers for indicating the transmitted and reflected power respectively. It also provides an immediate and clear reading of the SWR and power output at the point where the two pointers cross.
| Frequency range: | 140-525 MHz |
| Power scale: | 1-150 W |
| Connector: | PL |
| Impedance: | 50 Ω |
| Accuracy: | ± 10% |
| Dimensions: | 85x87x95 mm |
| Weight: | 270 gr |
