Warning: It may be an offence to divulge what you hear to anyone who is not a party to a transmission.
The following radio frequencies (MHz) may be used by railways in New Zealand (FM unless specified AM):
| 153.45625 | Ch 1 Road (driver to guard/shunter) | |
| 153.73125 | Ch 2 Train to dispatcher | |
| 151.95000 | Ch 2 Dispatcher to train | |
| 153.83125 | Ch 3 Train to dispatcher | |
| 152.05000 | Ch 3 Dispatcher to train | |
| 154.13125 | Ch 4 Train to dispatcher | |
| 152.35000 | Ch 4 Dispatcher to train | |
| 425.150 | 420.1375 | Dispatcher link |
| 425.650 | 420.6375 | Dispatcher link |
| 429.875 | 424.8625 | Dispatcher link |
| 453.3625 | Yard (Rail Ferry shunting?) | |
| 453.4375 | Yard (Westfield?) | |
| 453.4875 | Yard | |
| 453.5125 | Yard (Wellington?) | |
| 453.5625 | Yard | |
| 84.5375 | MofW - Low power - AM | |
| 85.71875 | 81.750 | MofW - AM - Mobile telephone (Auckland?) |
| 85.73125 | 81.7625 | MofW - AM - Mobile telephone (Christchurch?) |
| 86.21875 | 82.250 | MofW - AM - Mobile telephone (Palmerston North?) |
| 86.21875 | 82.3125 | MofW - AM - Mobile telephone |
| 86.33125 | 82.3625 | MofW - AM - Mobile telephone |
| 86.56875 | 82.600 | MofW - AM - Mobile telephone (Dunedin?) |
| 86.88125 | 82.9125 | MofW - AM - Mobile telephone (Wellington?) |
| 86.96875 | 83.000 | MofW - AM - Mobile telephone (Te Awamutu?) |
| 87.15625 | 83.1875 | MofW - AM - Mobile telephone (Ohakune?) |
| 87.19375 | 83.225 | MofW - AM - Mobile telephone (Palmerston North?) |
| 87.29375 | 83.325 | MofW - AM - Mobile telephone (Taihape?) |
| 87.44375 | 83.475 | MofW - AM - Mobile telephone (Taumarunui?) |
| 87.58125 | 83.6125 | MofW - AM - Mobile telephone (Te Rapa?) |
| 87.66875 | 83.700 | MofW - AM - Mobile telephone (Hawkes Bay?) |