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Difference between revisions of "General Mobile Radio Service"

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(Changed to reflect pairing and better reflect FRS interaction.)
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== Frequencies ==
 
== Frequencies ==
 
<pre>
 
<pre>
  - A -       
+
Ch    Mobile RX Mobile TX
  1 462.550   
+
  1     462.550    467.550   
  2 462.575     
+
  2     462.575    467.575
  3 462.600     
+
  3     462.600    467.600
  4 462.625   
+
  4     462.625    467.625   
  5 462.650     
+
  5     462.650    467.650
  6 462.675
+
  6     462.675   467.675    * National Emergency Frequency
  7 462.700   
+
  7     462.700    467.700   
  8 462.725
+
  8     462.725   467.725
  
- B -
+
FRS 1  462.5625  
1  467.550 
+
FRS 2  462.5875  
2  467.575
+
FRS 3  462.6125  
3  467.600
+
FRS 4  462.6375  
4  467.625 
+
FRS 5  462.6625  
5  467.650
+
FRS 6  462.6875  
6  467.675 
+
FRS 7  462.7125  
7  467.700 
 
8  467.725
 
 
 
- C -
 
1  462.5625  
 
2  462.5875  
 
3  462.6125  
 
4  462.6375  
 
5  462.6625  
 
6  462.6875  
 
7  462.7125  
 
 
</pre>
 
</pre>
  
- A -  Base station, Mobile relay, Fixed station, or Mobile station
+
GMRS frequencies are set up as repeater pairs, but typically used as simplex as well.  In that case stations would both transmit and receive on the receive frequency listed.
* 5 kHz deviation, 50 watts
 
 
 
 
 
- B -  Mobile station, Control station, Fixed station operating in Duplex mode
 
* Typically repeater inputs
 
* 5 kHz deviation, 50 watts 
 
 
 
 
 
- C - Interstitial frequencies, base and portable simplex
 
* 5 kHz deviation, 5 watts
 
* Note that these are the same frequencies as the FRS Ch 1 - 7 
 
 
 
  
462.675/467.675 Frequency Pair = National Emergency Frequency.
+
The [[FRS]] frequencies listed are authorized for use by GMRS users at a maximum of 5 watts ERP. GMRS users may communicate with FRS users or among each other on these frequencies. These are half-step frequencies, interspersed with the GMRS channels.
  
 
== See also ==
 
== See also ==

Revision as of 14:45, 23 November 2006

General Mobile Radio Service, or GMRS, is a licensed personal radio service in the US covered by Part 95 of the FCC's regulations.

Frequencies

Ch     Mobile RX  Mobile TX
 1     462.550    467.550  
 2     462.575    467.575
 3     462.600    467.600
 4     462.625    467.625  
 5     462.650    467.650
 6     462.675    467.675     * National Emergency Frequency
 7     462.700    467.700  
 8     462.725    467.725

FRS 1  462.5625 
FRS 2  462.5875 
FRS 3  462.6125 
FRS 4  462.6375 
FRS 5  462.6625 
FRS 6  462.6875 
FRS 7  462.7125 

GMRS frequencies are set up as repeater pairs, but typically used as simplex as well. In that case stations would both transmit and receive on the receive frequency listed.

The FRS frequencies listed are authorized for use by GMRS users at a maximum of 5 watts ERP. GMRS users may communicate with FRS users or among each other on these frequencies. These are half-step frequencies, interspersed with the GMRS channels.

See also