Motorola HS850 - Manual (Page 7)

Safety and General 5
following two conditions: (1) This device
may not cause harmful interference,
and (2) this device must accept any
interference received, including
interference that may cause undesired
operation. See 47 CFR Sec. 15.19(3).
Electromagnetic
Interference/Compatibility
Note: Nearly every electronic device is
susceptible to electromagnetic
interference (EMI) if inadequately
shielded, designed, or otherwise
configured for electromagnetic
compatibility.
Facilities
To avoid electromagnetic interference
and/or compatibility conflicts, turn off
your device in any facility where posted
notices instruct you to do so. Hospitals