Cont.) – Black Box MDR210A-485 User Manual
Page 12

12
 
 
Application Notes
(cont.)
 
 
Range
Received
Detectable by
Detectable
by
(meters)
Power
MDR210A-485 Commercial
Radio
100
-68.526 dBm
YES
YES
500
-82.506 dBm
YES
YES
1000
-88.526 dBm
YES
YES
3000
-92.048 dBm
YES
NO
5000
-102.506 dBm
YES
NO
8000
-106.588 dBm
YES
NO
10000
-108.526 dBm
YES
NO
11265
(7miles) -109.559 dBm
YES
NO
12000
-110.805 dBm
NO
NO
 
 
Since the range doubles every 6dB, the 20dB sensitivity difference in radios corresponds 
to 2^(20/6) = 10.08 times the range using the MDR210A-485 radio! 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
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