

| Key Features | TDMA DMR Digital Air Interface - 2 slot/1 carrier in 12.5kHz | |
| Complies with ETSI DMR Standard TS 102 361-1, -2 & -3 | ||
| Operates in DMR Digital and FM Analogue modes, even on the same channel. Autosenses Received Mode (Digital or Analogue) | ||
| Built-in GPS Unit | ||
| 5-Tone Encode/Decode | ||
| Man-down Function | ||
| Voice Guide Function | ||
| MIL STD 810 G and IP54/55 | ||
| Supplied With | Belt Clip | Yes, KBH-10 |
| Instruction Manual | Yes, English, Spanish, French, Italian, German, Russian, Dutch, Turkish & Greek | |
| Screw Set | Yes |
| PMR General Features | 3-colour LED (Red, Orange, Green) | Yes |
| 5-Tone Signalling formats | Yes | |
| Adjustable LCD Backlighting | Yes | |
| Battery Saver Mode | Yes | |
| Busy Channel Lock-out | Yes | |
| Compact Design | Yes | |
| Ease of Operating Use | Yes | |
| Emergency Call Function | Yes | |
| Emergency Key | Yes | |
| Emergency Advanced Motion Detection Function | Man-Down function as standard. And by an optional Software License gives Dual-mode "Staff Safe" alerts triggered either by a pre-set time with no movement or a pre-set time of excessive movement | |
| Flash Upgradeable Firmware | Yes | |
| GPS Compatible | Yes | |
| Front-panel Keypad | Yes, 12-key Telephone-style keypad plus 6 control keys | |
| LCD Display | Yes, 2" Transflective Colour TFT LCD QVGA Display | |
| Lone Worker Function | Yes | |
| Low Battery Warning | Yes | |
| Programmable Function Keys | 3 Programmable Function Keys | |
| QT (CTCSS) / DQT (digital) | Yes | |
| RSSI Level Indicator | Yes | |
| Talk Around | Yes | |
| Time-Out Timer | Yes | |
| Voice Annunciation | Yes - Current Channel and Zone, in your choice of English, French, German, Italian, Dutch, Spanish or Russian | |
| Windows PC Programming and Tuning | Yes |
| DMR Features | AMBE+2 Vocoder | Yes |
| Contacts List Mode | Yes, Individual ID/GID | |
| Direct Mode (P2P) | Yes, Selectable from ETSI newer or older definition | |
| Emergency Status | Yes | |
| GPS TX Data | Yes, Select destination by Zone and/or Channel | |
| Hold-off | Yes | |
| Individual Call with Acknowledgement | Yes | |
| Integrated Voice and Text/Data Messages | Yes | |
| Message Mode | Yes | |
| Queue Incoming Call | Yes | |
| Scrambler | Yes, Bit Scramble Voice | |
| Single-slot Data Timing | Yes | |
| TDMA 2-slot System Architecture | Yes |
| Options | Choice of Optional Battery Packs | Yes |
| MIL-SPEC speaker mic. with programmable controls | Yes |
| Applicable Standards | R&TTE: | Yes, EN 300 086-2, EN 300 113-2, EN 300 219-2, EN 301 489-5, EN 300 440-2 |
| EU Safety: EN60065, 60950-1, 60215 | Yes | |
| EU Safety: EN62209 | Yes | |
| For use in the EU | Yes | |
| IP54 | Yes | |
| IP55 | Yes | |
| Measurement - EIA Standards | Yes | |
| Measurement - EN Standards | Yes | |
| MIL-STD 810 C/D/E/F/G | Yes |
| Technical Specifications | Frequency Range | 400 - 470 MHz |
| Number of Channels | 64 | |
| Number of Zones | 4 | |
| Channel Frequency Spread | 70 MHz | |
| Channel Spacing - Analogue - Wide/Mid/Narrow | 25 kHz/20 kHz/12.5 kHz | |
| Channel Spacing - Digital | 12.5 kHz | |
| Antenna Impedance - 50 Ohm | Yes | |
| Battery Life | 5-5-90 with Battery Saver ON - with KNB-55L: approx 13 hours with KNB-57L: approx 18 hours | |
| Frequency Stability | ± 1.5 ppm (-30 °C to + 60 °C) | |
| Operating Temperature Range | -30 °C to + 60 °C | |
| Operating Voltage | 7.5 V DC ± 20% | |
| Dimensions | With KNB-55L: 56 x 131 x 36.1 mm With KNB-57L: 56 x 131 x 38.1 mm Projections not included | |
| Weight (net) | With KNB-55L: 353 g With KNB-57L: 380 g |
| Receiver Specifications | Adjacent Channel Selectivity (Analogue) | 76 dB at 25 kHz 68 dB at 12.5 kHz |
| Audio Output | 500 mW with less than 3% distortion. 8 Ohms Impedance | |
| Intermodulation (Analogue) | 65 dB | |
| Sensitivity (Analogue) - EIA 12 dB SINAD | 0.28 µV at 25 kHz 0.32 µV at 12.5 kHz | |
| Sensitivity (Analogue) - EN 20 dB SINAD | -3 dB µV at 25 kHz -1 dB µV at 12.5 kHz | |
| Sensitivity (Digital) | 5% BER: 0.3 µV/-4.5 dBµV emf 1% BER: 0.45µV/-1 dBµV emf | |
| Spurious Reponse Rejection (Analogue) | 75 dB |
| Transmitter Specifications | RF Power Output (High/Low) | 4 W / 1 W |
| FM Noise (EIA) | Analogue: 45 dB at 25 kHz 40 dB at 12.5 kHz | |
| Modulation Distortion | Less than 3% | |
| Modulation Limiting | Analogue: ± 5.0 kHz at 25 kHz ± 2.5 kHz at 12.5 kHz | |
| Spurious Emission (EN) | -36 dBm ≤ 1 GHz -30 dBm > 1 GHz |