厚度(mm) | 100 kHz | 10 MHz | 450 MHz | 1 GHz | 10 GHz | 18 GHz |
1 | 28 dB | 35 dB | 40 dB | 37 dB | 45 dB | 35 dB |
2 | 50 dB | 65 dB | 68 dB | 70 dB | 67 dB | 53 dB |
3 | 45 dB | 53 dB | 62 dB | 59 dB | 63 dB | 49 dB |