WBS-670/680 - Full Compass
U H F A n alo g W ireless I n tercom S y stems
WBS-670/680
WBS-670
WBS-680
Powerful Features and Performance
For Reliable Mobile Communications
Whether you are adding to a wired intercom system or creating
a standalone wireless communications system, the WBS-670
and WBS-680 wireless intercoms are excellent choices. 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 470-686MHz. Both wireless systems are
supplied with 24 factory-selected, intermodulation-free
frequencies. Select from factory presets or any suitable
frequency in 25KHz 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 10dB. This effectively eliminates overloading
the base station receiver front end which is the primary
cause of “nearfar” 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 200ft (160m)
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.
2 Clear-Com WBS
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 configuration 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 partyline
and digital matrix intercoms. UHF frequencies are ideally
suited for operating through obstacles; a variety of remote
antenna options can help improve range in difficult,
interference-prone production environments.
Seamless Connection to Wired Intercoms
WBS wireless systems can interface with a variety of 2-wire
partyline, 4-wire digital matrix or other wireless intercom
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
the WTR-680 beltpack.
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 configurations.
Wireless Intercom Systems
WBS-670 Single-Channel Wireless
The WBS-670 1RU, rack-mountable base station supports
up to four full-duplex wireless beltpacks.
System features:
• Full talk/listen headset at the base
• Rear panel connections allow system expansion
• LCD screen displays which beltpacks are transmitting
the operating frequencies and group/channel status
• Input and output level adjustment controls for
both the connected wired intercom and auxiliary
audio connection
• 3-pin XLR loop-through connectors for one channel
of wired partyline intercom at the rear
• WTA (Wireless-Talk-Around) button momentarily routes
audio to only the wireless beltpacks monitoring the
current channel, serving as isolation (ISO) channel
• Stage Announce (SA) button allows a (dry) relay signal
• A pair of efficient, half-wave co-linear antennas is
supplied with system; A variety of external antennas
may also be used.
WTR-670 Beltpack Features
• Extremely light, durable cast magnesium
• Durable, detachable antennas are secured to the
beltpack via threaded post connectors
• Low-profile volume control
• Robust, distinguishable momentary latch talk button
• RJ-45 connector for direct connection to a digital 4-wire
intercom port, and a pair of auxiliary connectors
WBS-680 Two-Channel Wireless
The WBS-680 1RU, rack-mountable base station supports
up to four full-duplex wireless beltpacks.
System features:
• Full talk/listen headset at the base
• Rear panel connections allow base station to connect
to two separate channels of wired intercom (2-wire,
4-wire, or both)
• Toggle switch enabling the user to communicate with
either intercom channel A or B (including any wired
intercoms connected at the base station)
• LCD screen displays which beltpacks are transmitting
the operating frequencies and group/channel status
• RJ-45 connector for direct connection to a digital 4-wire
intercom port, and a pair of auxiliary connectors
• A pair of efficient, half-wave co-linear antennas is
supplied with system; A variety of external antennas
may also be used.
WTR-680 Beltpack Features
• Input and output level adjustment controls for both the
connected wired intercom and auxiliary audio connection
• Extremely light, durable cast magnesium
• 3-pin XLR loop-through connectors for one channel
of wired partyline intercom at the rear
• Durable, detachable antennas are secured to the
beltpack via threaded post connectors
• WTA (Wireless-Talk-Around) button momentarily routes
audio to only the wireless beltpacks monitoring the
current channel, serving as isolation (ISO) channel
• Low-profile volume control
• Stage Announce (SA) button allows a (dry) relay signal,
which can activate a loudspeaker, two-way radio, IFB,
or any other relay activated device
• Robust, distinguishable momentary latch talk button
• Stage Announce
• Wireless-Talk-Around (WTA)
Clear-Com WBS 3
WBS-670/680 UHF Frequency Band Chart
NTSC TV CHANNEL
Start Frequency
End Frequency
14
470
476
15
476
482
16
482
488
17
488
18
494
19
20
Frequency Band Options
PAL TV CHANNEL
21
470-478
22
478-486
23
486-494
494
24
494-502
500
25
502-510
500
506
26
510-518
506
512
27
518-526
21
512
518
28
526-534
22
518
524
29
534-542
23
524
530
30
542-550
24
530
536
31
550-558
32
558-566
33
566-574
88
A
25
536
542
26
542
548
27
548
554
28
554
560
29
560
566
30
566
572
31
572
32
578
33
584
590
40
622-630
34
590
596
41
630-638
35
596
602
42
638-646
36
602
608
43
646-654
37
608
614
44
654-662
38
614
620
45
662-670
39
620
626
46
670-678
40
626
632
47
678-686
48
686-694
49
694-702
34
574-582
35
582-590
36
590-598
37
598-606
578
38
606-614
584
39
614-622
41
632
638
42
638
644
43
644
650
44
650
656
45
656
662
46
662
668
47
668
674
48
674
680
49
680
686
G9 is only
available in
Germany.
Transmit Bands
B
796
802
802
808
808
814
844
850
850
856
856
862
C
E
not used in USA
2
3
4
G
9
50
702-710
51
710-718
52
718-726
53
726-734
54
734-742
55
742-750
61
790-798
65
822-830
66
830-838
67
838-846
68
846-854
69
854-862
Receive Bands
Single Channel Wireless Intercom System (WBS-670) Frequency Band Options: A2, B4, C3, C6, G9
Two-Channel Wireless Intercom System (WBS-680) Frequency Band Options: A2, B4, C3, C6, E88
4 Clear-Com WBS
Overview
WBS-680/WBS-670 Base Station
WTR-680/WTR-670 Beltpacks
RF Frequency Range
518-608MHz, 614-686MHz in 18MHz TX and RX bands
WBS-670: G9 band, 796-814MHz Tx, Germany only
518 - 608MHz, 614 - 686MHz in 18MHz TX and RX bands
WTR-670: G9 band, 844-862MHz Tx, Germany only
Power Requirement
100-240VAC, 50-60Hz, IEC receptacle
6 Alkaline “AA” Cells (NiMH optional)
Typical Battery Life Alkaline
N/A
14 Hours (Continuous duty with talk light on)
Typical Battery Life - Nickel Metal Hydride (1500 mAh)
N/A
11 Hours (Continuous duty with talk light on)
N/A
140mA (Push-to-Talk, Talk On)
-4°F to 140°F (20°C to 55°C)
-4°F to 140°F (20°C to 55°C)
Current Draw
Temperature Range
Dimensions
Weight
19.0” W x 1.72” H x 14.0” D (48.3cm x 4.4cm x 35.6cm)
3.75” W x 5.05” H x 1.65” D (9.5cm x 12.8cm x 4.2cm)
WBS-680: 7lbs. 2oz. (3.24kg) WBS-670: 6lbs. 15oz. (3.15kg)
16oz. (0.454kg) with batteries 15oz. (0.425kg) with batteries
Transmit Antenna
1/2 Wave (supplied), TNC Male Connector
1/4 Wave (supplied), Screw type
Receiver Antenna
1/2 Wave (supplied), TNC Male Connector
1/4 Wave (supplied), Screw type
FCC ID
B5DM514
B5DM515
300Hz - 8,000Hz
300Hz - 8,000Hz
Four-Wire Input
Level Adjustable (2Vrms typical)
N/A
Four-Wire Output
Level Adjustable (2Vrms typical)
N/A
®
Input/Output Level Adjustable (1Vrms typical),
Line Impedance 200W
N/A
RTS® Partyline Levels
Input/Output Level Adjustable (0.775Vrms typical),
Line Impedance 200W
N/A
Telex ® Partyline Levels
Input/Output Level Adjustable (1 Vrms typical),
Line Impedance 300W
N/A
Auxiliary Input
Adjustable (2Vrms typical)
N/A
Auliliary Output
Adjustable (2Vrms typical into 600W) (at rated deviation)
N/A
Stage Announce Output (WBS-680 only)
Internally Adjustable (1Vrms typical at rated deviation into 100KW)
N/A
Stage Announce Relay (WBS-680 only)
Dry contact, rated at 1Amp, 24V Max. / N/A
N/A
Frequency Response
Clear-Com Partyline Levels
Transmitter
WBS-680/WBS-670 Base Station
Type
Transmit Power
RF Frequency Stability
Modulation
Modulation Limiter
Modulation Frequency Range
Microphone Audio Input
Microphone Input Sensitivity
Radiated Harmonics & Spurious
FCC Acceptance
WTR-680/WTR-670 Beltpacks
Synthesized, 720 channels
Synthesized, 720 channels
WBS-680: 100mW max. (High), 10mW (normal)
WBS-670: 50mW max. (High), 5mW (normal)
WTR-680/WTR-670: 50mW max.
(auto-power reduction when close to base)
0.005%
0.005%
FM, 40KHz Deviation
FM, 40KHz Deviation
Peak-Responding Compressor
Peak-Responding Compressor
300Hz -8,000Hz +-2dB
300Hz -8,000Hz +-2dB
30W - 3,500W
30W - 3,500W
9mV
9mV
Exceeds FCC specifications
Exceeds FCC specifications
Type accepted under FCC Part 74
Type accepted under FCC Part 74
Receiver
Type
RF Sensitivity
Signal-to-Noise Ratio
WBS-680/WBS-670 Base Station
WTR-680/WTR-670 Beltpacks
Dual Conversion Superheterodyne, Synthesized, FM,
720 channels
Dual Conversion Superheterodyne, Synthesized, FM,
720 channels
<0.7mV for 12dB SINAD
<0.7mV for 12dB SINAD
95dB
95dB
IF Selectivity
3dB at 230KHz
3dB at 230KHz
Image Rejection
70dB or better
70dB or better
Squelch Quieting
95dB
95dB
0.005%
0.005%
<1% at full deviation
<1% at full deviation
40mW output into 600W (1% distortion)
40mW output into 600W (1% distortion)
Notification under FCC Part 15
Notification under FCC Part 15
RF Frequency Stability
Distortion
Local Headset Output
FCC Acceptance
Clear-Com WBS 5
Battery Chargers
WTR1C
The WTR1C is a single battery charger that provides
built-in maintenance capability to maximize the battery
cycle life for the WBS-670 and WBS-680 wireless
intercom systems. It helps to optimize the battery and
maintains the battery’s peak capacity while it is charging.
There is no restriction to how long the battery can remain
in the charger. Rapid Charge capabilities fully charge
batteries in less than 2 hours.
WTR4C
The WTR4C has the same features as the WTR1C,
except that the WTR4C can charge up to 4 batteries
simultaneously.
Status iNdicators
• Charging LED - Solid light indicates battery
pack is charging
• Ready LED - Solid light indicates battery
is fully charged
• Rejected LED - Flashing light indicates faulty
or dead battery
• Power LED - Solid light indicates there is power
to the charging slot
• Conditioning Cycle LED - Flashing light indicates
discharging process
6 Clear-Com WBS
Battery Features
• Easy-to-read LED status indicator lights
• Battery is fully charged in less than 2 hours
• Maintains battery at peak capacity
• Optimizes battery life
• Battery can remain in charger indefinately
TECHNICAL Specifications
BC-800NM4 & BC-800NM Battery Chargers
Physical Characteristics
Product Dimensions
Product Weight
Shipping Dimensions
Shipping Weight
Material
BC-800NM4
BC-800NM
13” (33cm) W x 1.7” (4.5cm)
H x 7” (17.8cm) D
3” (7.62cm) W x 3.5” (8.89cm)
H x 6” (15.24cm) D
4lbs (1.5kg) without battery adapters
1lb, 6oz (0.62kg)
11.5” (29.2cm) W x 10.5” (26.7cm)
H x 18.5” (47cm) D
7” (17.8cm) W x 4.5” (11.43cm)
H x 7” (17.8cm) D
10lbs, 9oz (4.8kg) with battery adapters,
power supply, & rechargeable battery packs
2lbs, 10oz (1.2kg) with rechargeable
battery pack & power supply
ABS KJW fire retardant plastic, textured
ABS KJW fire retardant plastic, textured
Features
Conditioning Cycle
Provides built-in maintenance capability to maximize battery cycle life
Status Indicators
‘Charging’, ‘Ready’, ‘Rejected’ (dead battery), ‘Conditioning Cycle’
and ‘Power LED’ indicators make the BC-800NM simple and easy to use
Intelligent Charging
• Optimizes the battery • Battery can remain in the charger indefinitely
• Maintains battery at peak capacity
Rapid Charge Capability
Charges in less than 2 hours
User Environment
ESD
Humidity
Drop
8KV continuous contact discharge; 15KV from air to all surfaces without contact
95% relative humidity (non-condensing)
Unit functions normally after 4ft./1.2m drop to concrete
Storage Temperature
-40° to 122oF/-40° to 50°C
Operating Temperature
Power Supply
Safety Standards
32° to 122°F/0o to 50°C
BC-800NM4: (Universal): 90V-230VAC, 50/60Hz Output: 15VDC, 5A or 24VDC, 4.5A
BC-800NM: (Universal): 90V-230VAC, 50/60Hz Output: 15VDC, 1.5A or 24VDC, 1.3A
Charger & power supply UL listed (UL 1950), CSA Certified (C 22.2 No. 223);
Compliant to FCC part 15 Class A and CE Marking
(Electromagnetic Compatibility) Directive 89/336/EEC and Low Voltage Directive 73/23/EEC;
C15PR-22 Class B
Performance Characteristics
Rapid Charge
Complete Charge
Conditioning
Maintenance Charge
Charges batteries to 90+% capacity in 2 hours or less
Completes 100% capacity charge in 4 hours or less
Completely discharges a battery and automatically switches to charging mode
Maintains the battery at optimum capacity indefinitely
User Interface
Power LED
Conditioning/Charging LED
Reject LED
Conditioning/Charging LED
Ready LED
Indicates POWER to charging slot
Flashing indicates discharging process
Flashing indicates faulty battery
Solid indicates battery pack is being charged
Solid indicates battery charged
Clear-Com WBS 7
About Clear-Com
®
Clear-Com, an HME company, is a global provider in professional voice communications systems since
1968. We develop and market proven intercom technologies such as Analog & Digital Partyline, Digital
Matrix, Wireless and Intercom-over-IP systems for critical communication applications in broadcast,
performance venues, military, government and enterprise markets. Recognized for our legacy of intercom
innovations, production teams around the world have come to depend on Clear-Com for clear, reliable
and scalable communications solutions.
About HM Electronics, Inc. (HME)
A privately held company founded in 1971, HME has continued to be a leading provider of innovative
technology focused on enhancing productivity and customer service for multiple markets including
pro audio, sports, and restaurants. HME developed the first wireless intercom system for pro audio and
continues to introduce exciting, cutting-edge wireless intercoms that enhance communications, increase
productivity and facilitate creativity for virtually any application.
www.clearcom.com
Americas and Asia-Pacific Headquarters
California, United States
Tel: +1.510.337.6600
Email: SalesSupportUS@clearcom.com
Europe, Middle East, and Africa Headquarters
Cambridge, United Kingdom
Tel: +44 1223 815000
Email: SalesSupportEMEA@clearcom.com
China Office
Beijing Representative Office
Beijing, P.R.China
Tel: +86-10-65811360/65815577
© 2011. Clear-Com LLC. All rights reserved.
® Clear-Com and the Clear-Com logo are
registered trademarks of HM Electronics, Inc.
v.1_3/11
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