Bosch Security Systems Inc. M521 Manual De Usuario

 
 

Specifications:   

Audio Input: 

       

Level, Microphone…………………………… 7.75 mV RMS (gain max) for rated deviation.   

       

Impedance, Microphone, ……………………..10 K Ohm nominal. 

       

Level, AUX input, ……………………………100 mV RMS for rated deviation, 25 KHz maximum. 

       

Impedance, AUX input………………………. 100 K nominal.  

Audio Level……………………………………0 to 42 dB Attenuation in 6 dB Steps.    
Signal To Noise Ratio…………………………56 dB, uncompanded, 77

 

dB companded

.

 

Pre-emphasis…………………………………..115 uSeconds 
Maximum Deviation…………………………..25 KHz 
Number of Channels…………………………..17, user selectable 
Frequency Range………………………………72.1-75.9 MHz (in selected steps /channels. 

 

 

See Channel Assignment List for further information. 

 

 

 

 

     

Note: All frequencies within the above range are factory selected on legal frequencies and  
Additional transmitter frequencies are not field programmable. 
RF Power Output……………………………….80,000 uV/M @ 3 M., Maximum. 

Channel 

Frequency (MHz) 

Channel 

Frequency (MHz) 

 

A 

 

 

72.1 

 

     O   

 

74.7 

 

B 

 

 

72.2 

 

     P 

 

 

75.3 

 

C 

 

 

72.3 

 

     Q   

 

75.4 

 

D 

 

 

72.4 

 

     J 

 

 

75.5 

 

E 

 

 

72.5 

 

     K   

   

75.6 

 

F 

 

 

72.6 

 

     L 

 

 

75.7 

 

G 

 

 

72.7 

 

     M   

 

75.8 

 

H 

 

 

72.8 

 

     N   

 

75.9 

 

I 

 

 

72.9 

 

     

 

Warranty Service Information: 

Please see the separate Warranty Card supplied with this product.