Viper 3105V Owner's Manual page 38

Receiver antenna
To satisfy FCC RF exposure compliance requirements, the device and
its antenna must maintain a separation distance of 20 cm or more
from the person's body, except for the hand and wrists, to satisfy RF
exposure compliance.
This device complies with the Industry Canada Radio Standards Specification
RSS 210. Its use is authorized only on a no-interference, no-protection basis;
in other words, this device must not be used if it is determined that it causes
harmful interference to services authorized by IC. In addition, the user of this
device must accept any radio interference that may be received, even if this
interference could affect the operation of the device.
WARNING! Changes or modifications not expressly approved by the party re-
sponsible for compliance could void the user's authority to operate this device.
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