Beurer medical IPO 61 Mode D'emploi page 151

Separation distance according to frequency of transmitter (m)
Rated
maximum
150KHz to 80MHz
output power
of transmitter
(W)
0.01
0.1
1
10
100
80MHz to 800MHz
0.12
0.37
1.17
3.69
11.67
151
800MHz to 2.5GHz
0.12
0.37
1.17
3.69
11.67
0.23
0.74
2.33
7.38
23.33