Random triples
| Subject | Object |
|---|---|
| gptkb:Frequency_Modulation_radio | 88–108 MHz |
| gptkb:HD_Voice | 50 Hz to 7 kHz |
| gptkb:90-degree_hybrid_coupler | microwave frequencies |
| gptkb:Ultrasonic_sensor | 20 kHz to several MHz |
| Subject | Object |
|---|---|
| gptkb:Frequency_Modulation_radio | 88–108 MHz |
| gptkb:HD_Voice | 50 Hz to 7 kHz |
| gptkb:90-degree_hybrid_coupler | microwave frequencies |
| gptkb:Ultrasonic_sensor | 20 kHz to several MHz |