189
The Bigfoot Unity
™
Diabetes Management System User Guide | Appendix C
Immunity test
AIM 7351731:
2017 test level
Performance
RFID Magnetic
Immunity
≥
65 A/m
134.2kHz
≥
7.5A/m
13.56MHz
Equipment operating in the 13.56 MHz frequency range in the
vicinity of the RCAP was found to have a temporary effect on the
scanning functionality of the Sensor. After removing the source of
interference, the scanning function resumed with no degradation
of performance. Equipment operating in the 134.2 kHz frequency
range had no effect on the scanning function.
BLE communication was not impacted at either frequency.
Note:
U
T
is the a.c. mains voltage prior to application of the test level.
P
is the maximum output power rating of the transmitter in watts (W) according to the transmitter
manufacturer and
d
is the recommended separation distance in meters (m).
Field strengths from fixed RF transmitters, as determined by an electromagnetic site survey
a
, should be less
than the compliance level in each frequency range
b
.
Interference may occur in the vicinity of the equipment marked with the following symbol:
Note 1: At 80 MHz and 800 MHz, 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.
a
Field strengths from fixed transmitters, such as base stations for radio (cellular/cordless) telephones and
land mobile radios, amateur radio, AM and FM radio broadcast and TV broadcast cannot be predicted
theoretically with accuracy. To assess the electromagnetic environment due to fixed RF transmitters, an
electromagnetic site survey should be considered. If the measured field strength in the location in which
Bigfoot Unity is used exceeds the applicable RF compliance level above, Bigfoot Unity should be observed
to verify normal operation. If abnormal performance is observed, additional measures may be necessary,
such as re-orienting or relocating Bigfoot Unity.
b
Over the frequency range 150 kHz to 80 MHz, field strengths should be less than 10 V/m.