emission frequency of 2.4GHz ISM band, Wi-Fi modulation types:
DBPSK/DQPSK/CCK (DSSS) BPSK/QPSK/16QAM/64QAM (OFDM) , effective
radiated power: < 20dBm
Phenomenon
RF emissions
Harmonic
distortion
Voltage
fluctuations and
flicker
Phenomenon
Electrostatic
Discharge
Radiated RF EM
field
Proximity fields
from RF wireless
communications
equipment
Rated power
frequency
magnetic fields
Table 3 – Proximity fields from RF wireless communications
Test frequency
Band
(MHz)
(MHz)
385
380-390
450
430-470
710
704-787
745
780
810
800-960
870
Table 1 - Emission
Compliance
CISPR 11
Home healthcare environment
Group 1, Class
B
IEC 61000-3-2
Home healthcare environment
Class A
IEC 61000-3-3
Home healthcare environment
Compliance
Table 2 - Enclosure Port
Basic EMC
standard
IEC 61000-4-2
±8 kV contact
±2kV, ±4kV, ±8kV, ±15kV air
IEC 61000-4-3
10V/m
80MHz-2.7GHz
80% AM at 1kHz
IEC 61000-4-3
Refer to table 3
IEC 61000-4-8
30A/m
50Hz or 60Hz
equipment
Professional healthcare facility environment
Pulse modulation 18Hz, 27V/m
FM, ±5kHz deviation, 1kHz sine, 28V/m
Pulse modulation 217Hz, 9V/m
Pulse modulation 18Hz, 28V/m
Electromagnetic environment
Immunity test levels
Home Healthcare Environment
Immunity test levels
16