Key Features
Multi-protocol digital radio - designed to operate under an NXDN or DMR digital, and FM analogue protocols
NXDN Conventional and Type-C & Gen2 Trunking
DMR Tier II, DMR Auto Slot Select & Site Roaming
Mixed Digital & FM Analogue Operation allows gradual migration at your own pace
7-color Light Bar Indicator on the top panel
Built-in GPS Receiver/Antenna for effective fleet management
Built-in Bluetooth for hands-free communication - Applicable Bluetooth profiles: HSP (Headset Profile provided) and SPP (Serial Profile - available as an option)
Renowned KENWOOD Audio Quality can be achieved with Active Noise Reduction (ANR) that utilizes built-in DSP
Software DES and AES Encryptions for NXDN Conventional/Trunking and DMR Conventional protocols
Built-in Motion Sensor (Man-down, Stationary and Motion Detection)
IP54/55/67 and MIL-STD-810 C/D/E/F/G
4-Line Basic Frame (2-Line Main/Sub-LCD, icon & key guide) / 14 Characters
5-Line Text Message Frame (3 Lines of Text, icon & key guide)
4-way Directional-pad (D-pad) for intuitive control and operation
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Supplied With
Belt Clip Yes
Instruction Manual Yes
Screw Set Yes
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PMR General Features
Multi-coloured LED Yes
2-Tone Signalling
Yes
5-Tone Signalling (multi-format)
Yes
Battery Saver Mode
Yes
Battery Status Indicator
Yes
Bluetooth Module Built-in Yes
Busy Channel Lock-out
Yes
Calling Alert
Yes
Character Display (Alphanumeric)
Yes
Compact Design
Yes
Data Mode Operation
Digital ANI Built-in
Yes
DTMF Function
Yes
Ease of Operating Use
Yes
Embedded Message
Yes
Emergency Call Function
Yes
Emergency Key
Yes
Emergency Advanced Motion Detection Function Yes
Enhanced Kenwood Audio
Yes
Flash Upgradeable Firmware
Yes
FleetSync
Yes
GPS Built-In Yes
GPS Compatible
Yes
Illuminated Keys
Yes
Kenwood ESN (Electronic Serial Number)
Yes
Key Beep On/Off
Yes
Key Lock
Yes
Front-panel Control Keys Yes
Front-panel Keypad
Yes
LCD Display Yes
Lone Worker Function
Yes
LTR Trunking
Yes
MDC-1200
Yes
Minimum-Volume Setting
Yes
Man-Down Function
Yes
Monitor Button
Yes
Multiple Scanning Function
Yes
Operator Selectable Tone
Yes
PC Programming & Tuning
Yes
Power-On Message
Yes
Programmable Function Keys
23 Programmable Function Keys
PTT ID
Yes
QT (CTCSS) / DQT (digital)
Yes
Real Time Clock
Yes
RSSI Level Indicator
Yes
Selectable Microphone Gain
Yes
Switchable Display Backlighting
Yes
Talk Around
Yes
"Talk Back" Scanning Function
Yes
Time-Out Timer
Yes
Transceiver Password
Yes
Voice Inversion Scrambler
Yes
Windows PC Programming and Tuning
Yes
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NEXEDGE Features
Full details of all the NEXEDGE features available from your Kenwood dealer Yes
All Group Call Yes
AMBE+2 Vocoder Yes
Broadcast Call (Trunking Mode) Yes
Emergency Call Yes
Fail Soft Mode Yes
Group Call (Trunking Mode) Yes
Individual Private Call (Trunking Mode) Yes
Individual Call Yes
Message Trunked Mode Yes
NXDN Conventional Included Yes
NXDN Digital 12.5/6.25kHz Channel Spacing
Yes
NXDN Scrambler Included Yes
Over-the-air Alias Yes
Paging Call Yes
Priority Monitor IDs Yes
Radio Access Numbers (RAN)
Yes
Remote Group Add (Trunking Mode) Yes
Remote Monitoring Yes
Remote Stun/Kill Yes
Short & Long Data Messages Yes
Status Messaging Yes
Transmission Trunked Mode Yes
Zones 128
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DMR Features
AMBE+2 Vocoder Yes
Direct Mode (P2P) Yes
DMR Tier II Yes
DMR Site Roaming Yes
DMR Auto Slot Select Yes
Individual Call with Acknowledgement Yes
Single-slot Data Timing Yes
TDMA 2-slot System Architecture Yes
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Options
Choice of Optional Battery Packs
Yes
Choice of Optional Microphones Yes
Internal Encryption Board Yes
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Applicable Standards
For use in the EU Yes
IP54
Yes
IP55
Yes
IP67
Yes
MIL-STD 810 C/D/E/F/G
Yes
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Technical Specifications
Frequency Range 136 - 174 MHz
Number of Channels 260
Number of Zones 128
Channel Spacing - Analogue - Wide/Mid/Narrow 25 kHz/20 kHz/12.5 kHz
Modulation Limiting - Analogue ± 5.0 kHz at 25 kHz
± 4.0 kHz at 20 kHz
± 2.5 kHz at 12.5 kHz
Channel Spacing - Digital - Wide/Narrow 12.5 kHz/6.25 kHz
Battery Life With KNB-55L: ± 8 h (FDMA) / ± 9.5 h (TDMA)
With KNB-56N: ± 8 h (FDMA) / ± 9.0 h (TDMA)
With KNB-57L: ± 11 h (FDMA) / ± 13.5 h (TDMA)
- 5-5-90 -
Frequency Stability ± 2 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: 56.0 x 119.6 x 36.4 mm
With KNB-56N: 56.0 x 119.6 x 42.7 mm
With KNB-57L: 56.0 x 119.6 x 39.0 mm
Radio only: 56.0 x 119.6 x 36.4 mm
- Projections not included -
Weight (net) With KNB-55L: 315 g
With KNB-56N: 410 g
With KNB-57L: 340 g
Radio only: 220 g
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Receiver Specifications
Audio Output 3% Distortion: 500 mW / 8 Ohms
5% Distortion: 1000 mW / 8 Ohms
- Internal Speaker -
Intermodulation 65 dB
Selectivity (Analogue) 12.5 kHz: 68 dB
20 kHz: 74 dB
25 kHz: 76 dB
Sensitivity (Analogue) - EIA 12 dB SINAD 0.25 µV (12.5/20/25 kHz)
Sensitivity (Analogue) - EN 20 dB SINAD 12.5 kHz: -1 db µV (0.45 µV)
20 kHz: -3 db µV (0.35 µV)
25 kHz: -3 db µV (0.35 µV)
Sensitivity (Digital) NXDN: 12.5 kHz = 0.25 µV at 3% BER
NXDN: 6.25 kHz = 0.20 µV at 3% BER
NXDN: 12.5 kHz = -1 dB µV (0.45 µV) at 1% BER
NXDN: 6.25 kHz = -4 dB µV (0.32 µV) at 1% BER
DMR: 12.5 kHz = -4.5 dB µV (0.30 µV) at 5% BER
DMR: 12.5 kHz = -1 dB µV (0.45 µV) at 1% BER
Spurious Response Rejection 65 dB
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Transmitter Specifications
RF Power Output 5 W / 4 W / 1 W
Audio Distortion 3 %
FM Hum & Noise Analog @ 25 kHz: 45 dB
Analog @ 20 kHz: 45 dB
Analog @ 12.5 kHz: 40 dB
Spurious Emission (EN) -36 dBm ≤ 1 Ghz
-30 dBm > 1 Ghz
