19 
 
Switch off in 
explosive 
environments 
Do not rely on this device 
for emergency 
communications 
FCC Regulations 
The 15.19 statement is used. They should have used the one for Licensed 
devices: “This device complies with part 15 of the FCC Rules. Operation is 
subject to the condition that this device does not cause harmful interference.”
 
 
 CAUTION: 
Changes or modifications not expressly approved by the manufacturer could 
void the user’s authority to operate the equipment. 
The antenna(s) used for this transmitter must not be co-located or operating 
in conjunction with any other antenna or transmitter. 
 NOTE: 
This equipment has been tested and found to comply with the limits for a 
Class B digital device, pursuant to part 15 of the FCC Rules.   
These limits are designed to provide reasonable protection against harmful 
interference in a residential installation. This equipment generates, uses and 
can radiate radio frequency energy and, if not installed and used in 
accordance with the instructions, may cause harmful interference to radio 
communications. However, there is no guarantee that interference will not 
occur in a particular installation. If this equipment does cause harmful 
interference to radio or television reception, which can be determined by 
turning the equipment off and on, the user is encouraged to try to correct the 
interference by one or more of the following measures: 
  Reorient or relocate the receiving antenna. 
  Increase the separation between the equipment and receiver. 
 Connect the equipment into an outlet on a circuit different from that to 
which the receiver is connected. 
  Consult the dealer or an experienced radio/TV technician for help. 
 
Body-Worn Operation 
This device was tested for typical body-worn operations. To comply with RF 
exposure requirements, a minimum separation distance of 1.0 cm must be