WBS-670/680 Wireless Intercom Systems
2
Whether you are adding to a wired intercom system or creating a stand-alone wireless communications
system, the WBS-670 and WBS-680 wireless intercoms are excellent choices. Clear-Com’s UHF
Synthesized Wireless Intercom Systems combine frequency agility and powerful features to maintain
the audio clarity and reliability that a wired system provides. These systems extend the reach of your
communications system in live performance, studio and mobile television production, industrial
and aerospace applications, or wherever full-duplex wireless communications are required.
Frequency-agile UHF Operation
The WBS-670 and WBS-680 operate in
select frequency bands between 470-686
MHz; both wireless systems are supplied
with 24 factory-selected, intermodulation-
free frequencies. Select from factory
presets or any suitable frequency in
25 KHz increments. 720 Tx and 720 Rx
frequencies can be selected; each from
independent 18 MHz operational bands.
Adjustable Transmitter Power
The beltpacks can sense when operating
in close proximity to the base station and
intelligently reduce transmitter output
by 10 dB. This effectively eliminates
overloading the base station receiver front
end which is the primary cause of “near-
far” densing problems. WBS wireless
system beltpacks operate in normal power
mode for typical distances; a manual high-
power setting is available when operating
the equipment more than 200 ft (160 m)
for the base station.
Pre-Selected Compatible
Frequencies and Frequency Scan
System setup is easy with the 24 internal
pre-selected and intermodulation-
free frequency groups. Aided by the
“ClearScan” function, base stations and
beltpacks can typically be coordinated
and working together within minutes.
Memory locations can be allocated so
that particular sets of frequencies can be
chosen, programmed and saved as a new
preset.
Graphical User Interface
A clear, backlit LCD screen displays the
status of the beltpacks and provides easy
access to all the powerful features as
well as conguration of the operational
parameters. The LCD displays which
beltpack is transmitting, operating
frequencies, and group/channel status.
Superior Audio Quality and Range
The audio quality of the WBS-670 and
WBS-680 wireless systems is on par with
that of professional wired party-line and
digital matrix intercoms. UHF frequencies
Frequency-agile UHF wireless intercom systems
are ideally suited for operating through
obstacles; a variety of remote antenna
options can help improve range in
difcult, interference-prone production
environments.
Seamless Connection to
Wired Intercoms
WBS wireless systems can interface with a
variety of 2-wire party-line or 4-wire digital
matrix systems. In addition to interfacing
with external intercom systems, the
systems provide connections for auxiliary
balanced audio input and output. Wireless
Talk-Around (WTA) and Stage Announce
(SA) features are available on WTR-680
and WTR-682 beltpacks.
Rechargeable Battery Option
The battery pack will operate the beltpack
in full-duplex mode for 14 hours with
a set of alkaline batteries. The optional
rechargeable NiMH (nickel metal hydride)
batteries will give over 11 hours of
continual use. Chargers are available in
single-bay or 4-bay congurations.
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