Recommended separation distances between
portable and mobile RF communications equipment and the TH09F
The TH09F is intended for use in an electromagnetic environment (for home healthcare) in which radiated RF disturbances are controlled. The customer
or the user of the TH09F can help prevent electromagnetic interference by maintaining a minimum distance between portable and mobile RF
communications equipment (transmitters) and the TH09F as recommended below, according to the maximum output power of the communications
equipment.
Rated maximum output power of
transmitter
W
Separation distance according to frequency of transmitter
m
150 kHz to 80 MHz
d =
1,2
80 MHz to 800 MHz
d =
1,2
800 MHz to 2,7 GHz
d =
2,3
0,01
N/A
0,12
0,23
0,1
N/A
0,38
0,73
1
N/A
1,2
2,3
10
N/A
3,8
7,3
100
N/A
12
23
For transmitters rated at a maximum output power not listed above, the recommended separation distance
d
in meters (m) can be estimated using the equation
applicable to the frequency of the transmitter, where
P
is the maximum output power rating of the transmitter in watts (W) according to the transmitter manufacturer.
NOTE 1 At 80 MHz and 800 MHz, the separation distance for the higher frequency range applies.
NOTE 2 These guidelines may not apply in all situations. Electromagnetic propagation is affected by absorption and reflection from structures, objects and people.
Manufacturer’s declaration-electromagnetic immunity
Test specifications for ENCLOSURE PORT IMMUNITY to RF wireless communications equipment
The TH09F is intended for use in the electromagnetic environment (for home healthcare) specified below.The customer or the user of the TH09F should
assure that it is used in such an environment.
Test frequency
(MHz)
Band
a)
(MHz)
Service
a)
Modulation
b)
Maximum power
(W)
Distance
(m)
IMMUNITY TEST
LEVEL
(V/m)
Compliance LEVEL
(V/m)
(for home healthcare)
385
380
–390
TETRA 400
Pulse
modulation b)
18 Hz
1,8
0,3
27
27
450
430
–470
GMRS 460,
FRS 460
FM c)
1 kHz sine
2
0,3
28
28
710
704
–787
LTE Band 13,17
Pulse
modulation b)
217 Hz
0,2
0,3
9
9
745
780
810
800
–960
GSM 800/900,
TETRA 800,
iDEN 820,
CDMA 850,
LTE Band 5
Pulse
modulation b)
18 Hz
2
0,3
28
28
870
930
1720
1700
–
1990
GSM 1800;
CDMA 1900;
GSM 1900;
DECT;
LTE Band 1, 3,
4, 25; UMTS
Pulse
modulation b)
217 Hz
2
0,3
28
28
1845
1970
2450
2400
–
2570
Bluetooth,
WLAN,
802.11 b/g/n,
RFID 2450,
LTE Band 7
Pulse
modulation b)
217 Hz
2
0,3
28
28
5240
5100
–
5800
WLAN 802.11
a/n
Pulse
modulation b)
217 Hz
0,2
0,3
9
9
5500
5785
NOTE If necessary to achieve the IMMUNITY TEST LEVEL, the distance between the transmitting antenna and the ME EQUIPMENT or ME
SYSTEM may be reduced to 1 m. The 1 m test distance is permitted by IEC 61000-4-3.
a) For some services, only the uplink frequencies are included.
b) The carrier shall be modulated using a 50 % duty cycle square wave signal.
c) As an alternative to FM modulation, 50 % pulse modulation at 18 Hz may be used because while it does not represent actual modulation,
it would be worst case.
