| Key Features | Frequency Range: 400-470 MHz | |
| 5 Watt RF Output | ||
| 16 Channels - mechanically selectable down to 12, 8 or 4 by fitting "Channel Stopper" detent rings to the Selector knob | ||
| Built-In Voice Scrambler | ||
| QT, DQT, DTMF and MDC-1200 Signalling | ||
| FleetSync Digital Signalling, PTT ID and SelCall | ||
| PC Programming | ||
| FleetSync Signalling Features | Emergency Status | Yes |
| Paging Call Function | Yes | |
| PTT ID Digital ANI | Yes | |
| Selective Calling | Yes | |
| Status Messaging | Yes, Transmit Only - Choice of 90 2-Digit Pre-Programmed Status Messages |
| MDC1200 Signalling Features | Emergency Encode | Yes |
| PTT ID Encode | Yes | |
| Radio check Decode | Yes | |
| Stun/Revive Decode | Yes |
| Options | Choice of Optional Battery Packs | Yes |
| GPS Speaker/Mic Option | KMC-48GPS. From s/n B0900856 |
| Applicable Standards | IP54 | Yes |
| IP55 | Yes | |
| Measurement - EIA Standards | Yes | |
| MIL-STD 810 C/D/E/F | Yes |
| Technical Specifications | Frequency Range - M Type | 400 - 470 MHz |
| Number of Channels | 16 | |
| Channel Frequency Spread | 70 MHz | |
| Channel Spacing | Wide: 25 kHz Narrow: 12.5 kHz | |
| Antenna Impedance - 50 Ohm | Yes | |
| Battery Life | With KNB-55L: 9 hours With KNB-56N: 9 hours With KNB-57L: 13 hours - 5-5-90 duty cycle with battery saver off - | |
| Battery Voltage | 7.5 V DC ± 20% | |
| Frequency Stability | ± 2.5 ppm (-30 °C to + 60 °C) | |
| Operating Temperature Range | -30 °C to + 60 °C | |
| Dimensions | With KNB-55L: 56 x 103.7 x 30.1 mm | |
| Weight (net) | Radio only: 163 g With KNB-55L: 270 g |
| Receiver Specifications | Adjacent Channel Selectivity | 70 dB at 25 kHz 63 dB at 12.5 kHz |
| Audio Output | 500 mW with less than 5% distortion | |
| Intermodulation | 68 dB at 25 kHz 68 dB at 12.5 kHz | |
| Sensitivity - EIA 12 dB SINAD | 0.25 µV at 25 kHz 0.28 µV at 12.5 kHz | |
| Spurious Reponse Rejection (Analogue) | 70 dB |
| Transmitter Specifications | RF Power Output (High/Low) | 5 W / 1 W |
| FM Noise (EIA) | 45 dB at 25 kHz 43 dB at 12.5 kHz | |
| Spurious Response (EIA) | 70 dB |