Motorola Remote Speaker Mic RSM With Membrane (IP57) PMMN4029A
Features
Compatible with DP1400 Radios
Product Description
This is a genuine Motorola RSM (IP57) with Enhanced Noise Reduction for DP1000 Series.
Compatible with DP1400
- Audio Jack: No
- Emergency Button/Volume Control: No
- Noise Cancelling: Windporting feature
- Intrinsic Safety Standard: FM (CP140/CP160/CP180 only)
- Replaces MDPMMN4029
This product is brand new and comes in bulk packaging.
Radio Licensing Information
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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