Black Box MDR210A-485 - 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!