Product Description
| ATEX Certified to EU 94/9/EC:-;II2G Ex ib IIC T4 Gas; II2D Ex tD ibD A21 IP6X T110C Dust; IM2 Ex ib I Mining |
| Advanced Emergency Features |
| Frequency Range: 136-174 MHz |
| 16 Channels |
| 1.2 Watt RF Output |
| Built-In Voice Scrambler |
| FleetSync Digital Signalling, PTT ID and SelCall |
| 5-Tone (Normal, 2-Frame & 3-Frame) up to 8-Tone Signalling |
Additional Information
PMR General Features
| 3-colour LED (Red, Orange, Green) | Yes |
| 5-Tone Signalling formats | ZVEI, ZVEI2, CCIR, EIA, EEA and “Kenwood” in normal 5-Tone. 2-Frames 5-Tone, 3-Frames 5-Tone plus up to 8-Tone formats |
| Battery Saver Mode | Yes |
| Beginning/End of Transmission I.D. Signal | Yes |
| Busy Channel Lock-out | Yes |
| Compact Design | Yes |
| Companded Audio | Yes |
| DTMF Function | 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 |
| Enhanced Kenwood Audio | Yes |
| Flash Upgradeable Firmware | Yes |
| FleetSync | Yes |
| Independent Setting per Channel | Compander & Wide/Semi-Wide/Narrow |
| Kenwood ESN (Electronic Serial Number) | Yes |
| Key Lock | Yes |
| Lone Worker Function | Yes |
| Low Battery Warning | Yes |
| Man-Down Function | Yes, Both the trigger angle and the trigger time can be pre-set |
| Monitor Button | Yes |
| Monitor Open with Emergency Status | Yes, By Firmware update February 2013 |
| Multiple Scanning Function | Yes |
| Power-on Scan | Yes, By Firmware update February 2013 |
| Priority Channel | Yes, Look-back timer extended to 15 seconds by Firmware update February 2013 |
| Programmable Function Keys | 3 Programmable Function Keys |
| PTT ID | Yes |
| QT (CTCSS) / DQT (digital) | Yes |
| Remote Mic Monitor | Yes, By Firmware update February 2013 |
| Remote Stun | Yes |
| Remote Stun and Revive | Yes |
| Selector Knob Key Lock | Yes, By Firmware update February 2013 |
| SelCall Function | Yes |
| Selectable Microphone Gain | Yes |
| Talk Around | Yes |
| “Talk Back” Scanning Function | Yes |
| Time-Out Timer | Yes |
| Voice Inversion Scrambler | Yes |
| Voting Function | Yes |
| VOX | Yes, with KMC-46EX speaker/microphone. 10 levels of sensitivity adjustment |
| Windows PC Programming and Tuning | Yes |
FleetSync Signalling Features
| Emergency Status | Yes |
| PTT ID Digital ANI | Yes |
| Selective Calling | Yes |
Options
| Choice of Optional Battery Packs | Yes |
Applicable Standards
| ATEX Certification | Yes, to EU 94/9/EC. Certified to II2G Ex ib IIC T4 – Gas protection, II2D Ex tD ibD A21 IP6X T110 degrees C – Dust Protection and IM2 Ex ib I – Mining Protection |
| EU Safety: EN60065, 60950-1, 60215 | Yes |
| For use in the EU | Yes |
| IECEx Certification | IEC 60079-0, 60079-11, 61241-0, 61241-1 & 61241-11 |
| IP64 | Yes |
| MIL-STD 810 C/D/E/F | Yes |
| RoHS EU Directive Compliant | Yes |
| WEEE EU Directive Compliant | Yes |
Technical Specifications
| Frequency Range | 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-58LEX: Up to 23 hours – 5-5-90 duty cycle with battery saver on (approx.) |
| Frequency Stability | ± 2.5 ppm (-20 °C to + 50 °C) |
| Operating Temperature Range | -20 °C to + 50 °C |
| Operating Voltage | 7.5 V DC ± 20% |
| PLL Channel Steps | 2.5 kHz/5.0 kHz/6.25 kHz/7.5 kHz |
| Dimensions | 61.8 x 128.3 x 49.5 (with KNB-58LEX Battery) |
| Weight (net) | Main Body: 279g (with KNB-58LEX Battery: 484g) |
Receiver Specifications
| Adjacent Channel Selectivity | 70 dB at 25 kHz 70 dB at 20 kHz 62 dB at 12.5 kHz |
| Audio Output | 400 mW |
| Intermodulation | 65 dB |
| Sensitivity – EIA 12 dB SINAD | 0.25 µV at 25 kHz 0.25 µV at 20 kHz 0.32 µV at 12.5 kHz |
| Sensitivity – EN 20 dB SINAD | 0.32 µV at 25 kHz 0.32 µV at 20 kHz 0.36 µV at 12.5 kHz |
| Spurious Response Rejection | 70 dB |
Transmitter Specifications
| RF Power Output | 1.2 Watts |
| FM Hum & Noise | 45 dB at 25 kHz 43 dB at 20 kHz 43 dB at 12.5 kHz |
| 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 & Harmonics | -36 dBm ≤ 1 GHz -30 dBm > 1 GHz |
Radio Licensing Information
Radio licensing: A guide to licensed and licence-free radios
What is a radio licence and do I need one?
There are two types of two-way radios, licensed radios and licence-free radios (PMR446).
Licensed radios require a dedicated frequency which ensures that only those on that frequency can hear transmissions. In order to access a dedicated frequency, a radio licence granted by Comreg is required by law. Licences are based on the quantity of equipment to be licensed.
The cost is €22 per piece of equipment plus a fixed charge of €22 for the duration of the licence. (e.g. 4 walkie talkies + 2 radio mics = 6 units +1 Fixed Charge = 7 x €22 = €154).
Licence-free radios (also called PMR446 radios) operate on the PMR446 radio frequency, they can be used by anyone within the UK and EU and as the title suggests they need no radio licence.
Licensed radios
Licensed radios are usually more expensive than licence-free models, but have a larger power output (of up to 5 watts for handheld radios) and so offer increased range and coverage.
For example a primary school would typically find coverage on licence-free equipment sufficient whereas licenced equipment would be better suited to a secondary school, college or university.
In addition, a licence will offer increased security of transmissions through better monitoring of frequencies, especially if the licence is specific to your site.
Licenced radios are generally more robust, with clearer audio quality and the conversation more secure. Licensed radios also offer much more functionality than license-free radios, you can make group calls, send text messages and dial up individual users.
More about your Comreg licence
In order to obtain your licence, an application to Comreg has to be made. We are more than happy to apply on your behalf and offer a managed service in order to maintain your Comreg licence throughout your radio project. Or if you wish to make an application yourself, please feel free to ask us any questions along the way as we have vast experience in completing these forms and can go through it with you over the telephone. The application process is usually complete within 10-15 working days.
You can find out more by going to: https://www.comreg.ie/industry/radio-spectrum/licensing/search-licence-type/business-radio/
Licence-free radios
Non licensed radios are a cheaper alternative to licensed radios and can only have a power output of 0.5 watts giving them a fairly small range.
Licence-free radios can be used in the work place and for personal use, ideally where minimal coverage is needed, within small buildings where users are communicating in a close range.
Examples where these radios can be used effectively include smaller schools and construction sites, warehouses, hospitality venues and independent retail businesses.
For leisure they can be ideal for communicating between friends and family while camping and skiing, or if you are at a leisure park or hiking.
All PMR446 radios use the same eight channels. If there are a high number of users in a given area (cities and other built up areas) frequencies become extremely congested leading to interference on the channels, although usually there are multiple channels to select in order to find a clearer channel.
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