Installation Manual

E.3.2
Implementation and Validation of SAR Formulas
Formulas B.28, B.29, and B.30 from the IEC 62232:2017 standard were implemented in Mathcad 15.0
software as shown in the following formula with highlighted items being the input antenna parameters.
Aa := 0.089
D :
=
10
10
180
180
3.4
Ach := 0.06
Ba := 1.54
Bch := 0.96
π
π
φ_3dB :
=
360
θ_3dB :
=
60
θ_3dB
2
0.6 if (300 < f) ˄ (f ≤ 2500)
1.5 if (300 < f) ˄ (f ≤ 2500)
0.3 if (2500 < f) ˄ (f < 5000)
1 if (2500 < f) ˄ (f < 5000)
L if (Hbeam < L) ˄ (Hbeam < B)
Hbeam if (L ≤ Hbeam) ˄ (Hbeam < B)
B if B ≤ Hbeam
B if B ≤ L
3.5 +
6.3 +
4.5
8.1·10
– 4
if (d > 0.4) ˄ (900 ≤ f) ˄ (f ≤ 5000)
1 +
(f – 300)
(f – 300)
600
600
0.400
0.8d
0.8d
0.400
1 +
L :
=
0.4
Pavg :
=
10
f :
=
530
d :
=
0.46
A :
=
Aa
B :
=
Ba
Rwb10g:
=
Hbeam:
=
2·d·tan
Rwb1g:
=
Heff:
=
C:
=
·10
– 4
if (0.2 ≤ d) ˄ (d ≤ 0.4) ˄ ( 300≤ f) ˄ (f < 900)
·10
– 4
if (d > 0.4) ˄ (300 ≤ f) ˄ (f < 900)·1.8
·10
– 4
if (0.2 ≤ d) ˄ (d ≤ 0.4) ˄ ( 900≤ f) ˄ (f ≤ 5000)
SAR_WB :
=
C·
SAR1g :
=
20·SAR_WB
SAR10g :
=
25
·SAR_WB
Heff
Heff
Heff
Rwb1g
Rwb10g
d
B
B
1
1
4·π·
φ_3dB·D·L
φ_3dB·L·d
1 +
2
0.5
Aa
·
Ba
Pavg
MN003557A01-AF
Appendix
E: MOTOTRBO Repeater EME Assessment
138