Advanced FM Hand Portable Two Way Radio
  • High Tier Radio 
  • Robust & Water Resistant 
  • Lone Worker 
  • Slim and Light Weight
  • 16 Channels – mechanically selectable down to 12, 8 or 4 by fitting “Channel Stopper” detent rings to the Selector knob
  • Wide Band Coverage (38MHz VHF, 70MHzUHF)
  • Programmable Channel Spacing (25/20/12.5 kHz)
  • Built-in DTMF and QT/DQT
  • FleetSync and 5-Tone Signalling compatible
  • Valuable Emergency Functions: Lone-Worker and Emergency-Key, “Man-Down” with pre-settable “Panic/Stationary” parameters
  • Advanced Motion Detection (by software license)
  • Remote Stun Function
  • 3 Programmable Function Keys
  • Built-in VOX
  • Built-in Voice Inversion Scrambler
  • Priority Scan
  • Electronic Serial Number (ESN)
  • Clear Sound with Voice Compander function
  • IP54, IP55 and US-MIL-STD 810C/D/E/F

PMR General Features

Blue colour LED Yes
3-colour LED (Red, Orange, Green) Yes
Busy Channel Lock-out Yes
Compact Design Yes
Companded Audio Yes
Digital ANI Built-in Yes
DTMF Function Yes
Ease of Operating Use Yes
Emergency Call Function Yes
Emergency Key Yes
Emergency Advanced Motion Detection Function Man-Down function as standard. And an optional Software Licence gives Dual-mode "Staff Safe" alerts triggered either by a pre-set time with no movement or a pre-set time of excessive movement
FleetSync Yes
GPS Compatible Yes
Independent Setting per Channel VOX, Compander, Scrambler & Wide/Narrow Deviation
Internal VOX Ready Yes
Kenwood ESN (Electronic Serial Number) Yes
Key Lock Yes
Lone Worker Function Yes
Man-Down Function Yes, Both the trigger angle and the trigger time can be pre-set
Monitor Button Yes
Multiple Scanning Function Yes
Pre-programmed Status Messages Yes, Status messages are pre-programmed 2-digit codes from 10 - 99 (numbers 80 - 99 are reserved for special messages).
Programmable Function Keys 2 Programmable Function Keys
QT (CTCSS) / DQT (digital) Yes
Remote Stun Yes
SelCall Function Yes
Selectable Microphone Gain Yes
Talk Around Yes
"Talk Back" Scanning Function Yes
Voice Annunciation Yes - Radio Status and Mode, in your choice of English, French, German, Italian, Dutch, Spanish, Russian or Chinese.
Voice Inversion Scrambler Yes
Voting Function Yes
Windows PC Programming and Tuning Yes

FleetSync Signalling Features

Emergency Status Yes
PTT ID Digital ANI Yes
Selective Calling Yes


Choice of Optional Battery Packs Yes
GPS Speaker/Mic Option KMC-48GPS. From s/n B0900001

Applicable Standards

R&TTE: EN300 086, 300 113, 300 219, 301 489 Yes
EU Safety: EN60065, 60950-1, 60215 Yes
Factory Quality Certification and Location ISO 9001. Manufactured in Singapore
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 Yes

Technical Specifications

Frequency Range - E Type 136-174 MHz
Number of Channels 16
Channel Frequency Spread 38 MHz
Channel Spacing Wide: 25 kHz
Mid: 20 kHz
Narrow: 12.5 kHz
Antenna Impedance - 50 Ohm Yes
Battery Life With KNB-55L | 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
Operating Voltage 7.5 V DC ± 20%
Dimensions With KNB-55L:
56 x 103.7 x 29.1 mm
- Projections not included -
Weight (net) Radio only: 163 g
With KNB-55L: 260 g

Receiver Specifications

Adjacent Channel Selectivity 70 dB at 25 kHz
70 dB at 20 kHz
63 dB at 12.5 kHz
Audio Output 500 mW with less than 5% distortion
Intermodulation 68 dB
Sensitivity - EIA 12 dB SINAD 0.25 µV at 25 kHz
0.25 µV at 20 kHz
0.28 µV at 12.5 kHz
Sensitivity - EN 20 dB SINAD -3 dB µV at 25 kHz
-3 dB µV at 20 kHz
-2 dB µV at 12.5 kHz
Spurious Response Rejection 70 dB

Transmitter Specifications

RF Power Output (High/Low) 5 W / 1 W
FM Noise (EIA) 45 dB at 25 kHz
45 dB at 25 kHz
43 dB at 12.5 kHz
Microphone Impedance 1800 Ohm
Modulation Distortion Less than 5%
Modulation Limiting ± 5.0 kHz at 25 kHz
± 4.0 kHz at 20 kHz
± 2.5 kHz at 12.5 kHz
Spurious Emission (EN) -36 dBm ≤ 1 GHz 
-30 dBm > 1 GHz
(If you're a human, don't change the following field)
Your first name.
(If you're a human, don't change the following field)
Your first name.
(If you're a human, don't change the following field)
Your first name.
Enter the characters shown in the image.