Operating Instructions

8F083X03 Rev 7
DVRS - Product Safety and RF Energy Exposure Booklet Page 2 of 15
RF Exposure
NOTE:
This equipment has been tested and found to comply with the limits for Class A digital device,
pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection
against harmful interference when the equipment is operated in a commercial environment. This
equipment generates, uses and can radiate radio frequency energy and, if not installed and used
in accordance with the installation manual, may cause harmful interference to radio
communications. However, there is no guarantee that interference will not occur in a particular
installation.
ATTENTION!
Changes or modifications not expressly approved by Futurecom Systems Group, ULC could void
the User’s authority to operate the equipment.
USA Users: Do not use the DVRS in the frequency band 406.0 – 406.1MHz. This frequency band
is reserved for distress beacons.
ATTENTION!
This radio is intended for use in occupational / controlled conditions, where users have full
knowledge of their exposure and can exercise control over their exposure to meet FCC
limits. This radio device is NOT authorized for general population, consumer, or any other
use.
It is the responsibility of the Repeater Operator to ensure that Maximum Permissible
Exposure (MPE) limits are observed at all times during repeater transmissions. If this
vehicular repeater is used in combination with a separate mobile radio transmitter, the
Repeater operator must ensure at all times that no person comes within the MPE distance
from the vehicle body to ensure compliance with the FCC’s RF energy exposure limits for
the general population.
The minimum lateral distance between all possible personnel and the body of the DVRS
equipped vehicle must be as specified in Table 1 (Stand-alone DVR) and Table 2 (DVR
interfaced to a Mobile Radio i.e. DVRS).
Failure to observe the MPE distance exclusion area around the antenna may expose
persons within this area to RF energy above the FCC exposure limit for bystanders
(general population).
Stand Alone DVR (20W)
Recommended Lateral Distance from Antenna
VHF
82cm (up to 50% Tx duty cycle)
UHF 380-512MHz
75cm (up to 50% Tx duty cycle)
700MHz
73cm (up to100% Tx duty cycle)
800MHz
76cm (up to100% Tx duty cycle)
Table 1 Recommended Lateral Distance - Stand Alone DVR
NOTE:
50% Tx duty cycle is defined as Push To Talk (PTT), 50% Talk - 50% Listen.
100% Tx duty cycle is defined as Push To Talk (PTT), 100% Talk.