UHF ANALOG WIRELESS INTERCOM SYSTEMS
WBS-670
WBS-670/680
Powerful Features and Performance
For Reliable Mobile Communications
WBS-680
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.
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 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 difcult,
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 congurations.
2 Clear-Com WBS
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•
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•
A pair of efcient, 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-prole volume control•
Robust, distinguishable momentary latch talk button•
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
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, •
which can activate a loudspeaker, two-way radio, IFB,
or any other relay activated device
RJ-45 connector for direct connection to a digital 4-wire •
intercom port, and a pair of auxiliary connectors
A pair of efcient, half-wave co-linear antennas is •
supplied with system; A variety of external antennas
may also be used.
WTR-680 BELTPACK FEATURES
Extremely light, durable cast magnesium•
Durable, detachable antennas are secured to the •
beltpack via threaded post connectors
Low-prole volume control•
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 FREQUENCY BAND OPTIONS PAL TV CHANNEL
14 470 476
15 476 482 22 478-486
16 482 488 23 486-494
17 488 494 24 494-502
18 494 500 25 502-510
19 500 506 26 510-518
20 506 512 27 518-526
21 512 518 28 526-534
22 518 524
23 524 530 30 542-550
24 530 536 31 550-558
25 536 542
26 542 548 33 566-574
27 548 554 34 574-582
28 554 560
29 560 566 36 590-598
30 566 572 37 598-606
31 572 578 38 606-614
32 578 584 39 614-622
33 584 590 40 622-630
34 590 596
35 596 602 42 638-646
36 602 608 43 646-654
37 608 614
38 614 620 45 662-670
39 620 626 46 670-678
40 626 632 47 678-686
41 632 638
42 638 644 49 694-702
43 644 650 50 702-710
44 650 656
45 656 662 52 718-726
46 662 668 53 726-734
47 668 674
48 674 680 55 742-750
49 680 686 61 790-798
88
A
B
C
E
NOT USED IN USA
2
3
4
21 470-478
29 534-542
32 558-566
35 582-590
41 630-638
44 654-662
48 686-694
51 710-718
54 734-742
796 802
802 808 66 830-838
G9 is only
available in
Germany.
Transmit 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
808 814 67 838-846
844 850
850 856 69 854-862
856 862
Receive Bands
G
9
65 822-830
68 846-854
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)
Current Draw N/A 140mA (Push-to-Talk, Talk On)
Temperature Range -4°F to 140°F (20°C to 55°C) -4°F to 140°F (20°C to 55°C)
Dimensions 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)
Weight 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
Frequency Response 300Hz - 8,000Hz 300Hz - 8,000Hz
Four-Wire Input Level Adjustable (2Vrms typical) N/A
Four-Wire Output Level Adjustable (2Vrms typical) N/A
®
Clear-Com
Partyline Levels Input/Output Level Adjustable (1Vrms typical),
N/A
Line Impedance 200W
®
Partyline Levels Input/Output Level Adjustable (0.775Vrms typical),
RTS
N/A
Line Impedance 200W
®
Partyline Levels Input/Output Level Adjustable (1 Vrms typical),
Telex
N/A
Line Impedance 300W
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
TRANSMITTER
WBS-680/WBS-670 Base Station WTR-680/WTR-670 Beltpacks
Type Synthesized, 720 channels Synthesized, 720 channels
Transmit Power 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)
RF Frequency Stability 0.005% 0.005%
Modulation FM, 40KHz Deviation FM, 40KHz Deviation
Modulation Limiter Peak-Responding Compressor Peak-Responding Compressor
Modulation Frequency Range 300Hz -8,000Hz +-2dB 300Hz -8,000Hz +-2dB
Microphone Audio Input 30W - 3,500W 30W - 3,500W
Microphone Input Sensitivity 9mV 9mV
Radiated Harmonics & Spurious Exceeds FCC specifications Exceeds FCC specifications
FCC Acceptance Type accepted under FCC Part 74 Type accepted under FCC Part 74
RECEIVER
WBS-680/WBS-670 Base Station WTR-680/WTR-670 Beltpacks
Type Dual Conversion Superheterodyne, Synthesized, FM,
720 channels
Dual Conversion Superheterodyne, Synthesized, FM,
720 channels
RF Sensitivity <0.7mV for 12dB SINAD <0.7mV for 12dB SINAD
Signal-to-Noise Ratio 95dB 95dB
IF Selectivity 3dB at 230KHz 3dB at 230KHz
Image Rejection 70dB or better 70dB or better
Squelch Quieting 95dB 95dB
RF Frequency Stability 0.005% 0.005%
Distortion <1% at full deviation <1% at full deviation
Local Headset Output 40mW output into 600W (1% distortion) 40mW output into 600W (1% distortion)
FCC Acceptance Notification under FCC Part 15 Notification under FCC Part 15
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
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
STATUS INDICATORS
The WTR4C has the same features as the WTR1C,
except that the WTR4C can charge up to 4 batteries
simultaneously.
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 indenately•
Power LED - Solid light indicates there is power •
to the charging slot
Conditioning Cycle LED - Flashing light indicates •
discharging process
6 Clear-Com WBS
TECHNICAL SPECIFICATIONS
BC-800NM4 & BC-800NM BATTERY CHARGERS
Physical Characteristics BC-800NM4 BC-800NM
Product Dimensions 13” (33cm) W x 1.7” (4.5cm)
H x 7” (17.8cm) D
Product Weight 4lbs (1.5kg) without battery adapters 1lb, 6oz (0.62kg)
Shipping Dimensions 11.5” (29.2cm) W x 10.5” (26.7cm)
H x 18.5” (47cm) D
Shipping Weight 10lbs, 9oz (4.8kg) with battery adapters,
power supply, & rechargeable battery packs
Material 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 indenitely
• Maintains battery at peak capacity
Rapid Charge Capability Charges in less than 2 hours
3” (7.62cm) W x 3.5” (8.89cm)
H x 6” (15.24cm) D
7” (17.8cm) W x 4.5” (11.43cm)
H x 7” (17.8cm) D
2lbs, 10oz (1.2kg) with rechargeable
battery pack & power supply
USER ENVIRONMENT
ESD 8KV continuous contact discharge; 15KV from air to all surfaces without contact
Humidity 95% relative humidity (non-condensing)
Drop Unit functions normally after 4ft./1.2m drop to concrete
Storage Temperature -40° to 122oF/-40° to 50°C
Operating Temperature 32° to 122°F/0o to 50°C
Power Supply 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
Safety Standards 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 Charges batteries to 90+% capacity in 2 hours or less
Complete Charge Completes 100% capacity charge in 4 hours or less
Conditioning Completely discharges a battery and automatically switches to charging mode
Maintenance Charge Maintains the battery at optimum capacity indefinitely
USER INTERFACE
Power LED Indicates POWER to charging slot
Conditioning/Charging LED Flashing indicates discharging process
Reject LED Flashing indicates faulty battery
Conditioning/Charging LED Solid indicates battery pack is being charged
Ready LED 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 rst 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 Ofce
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.
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