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MODEL UA844 ANTENNA DISTRIBUTION SYSTEM
The Shure Model UA844 is a UHF antenna distribution system that
allows the expansion of wireless microphone systems by splitting
one pair of antennas to multiple receivers. It also amplifies RF sig-
nals to compensate for insertion loss that results from splitting sig-
nal power to multiple outputs. A single UA844 system can support
up to four wireless receivers. Multiple UA844 systems can be used
in a tiered configuration until the maximum number of compatible
frequencies is reached.
SYSTEM COMPONENTS
•
Front-mounting antenna hardware
•
Rack-mounting hardware
•
External power supply
•
Antenna cables for receiver connections
•
DC power cables for receiver connections
SPECIFICATIONS
Carrier Frequency Range
470-900 MHz
Distributed RF Output Level (Gain)
–0.5 to 3 dB, 1 dB typical, from antenna input (unused ports termi-
nated with 50 Ω)
Output Connector Isolation
≥25 dB
Third Order Intercept Point (3 OIP)
24 dBm, typical
DC Input Voltage
14 to 18 Vdc
DC Output Voltage
14 to 18 Vdc, 4 connectors
DC Antenna Voltage
12 Vdc
Impedance
50 Ω
RF Input/Output Antenna Connector Type
BNC
Operating Temperature Range
–7° C to 49° C (20° to 120° F)
Overall Dimensions
44.5 mm H x 482.6 mm W x 171.5 mm D (1.75 x 19 x 6.75 in.)
Net Weight
1.62 Kg (3.6 lbs)
Certification
UA844: Authorized under the Declaration of Conformity provision
of FCC Part 15A. Certified by IC in Canada under RSS-123.
Conforms to European ETSI standards EN 301 489, Parts 1
and 9. Meets the essential requirements of the European
R&TTE Directive 99/5/EC; eligible to carry the CE marking.
PS44US: Conforms to safety standard IEC 60065.
PS44E: Conforms to safety standard IEC 60065.
PS44UK: Conforms to safety standard IEC 60065.
OPTIONAL ACCESSORIES
Line Amplifier (470-900 MHz)
Powered Directional Antenna (470-900 MHz)
1/2 Wave Antenna (774–862 MHz)
1/2 Wave Antenna (690–746 MHz)
1/2 Wave Antenna (662–698 MHz)
1/2 Wave Antenna (554–590 MHz)
1/2 Wave Antenna (746–784 MHz)
2 ft. BNC–BNC Cable
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6 ft. BNC–BNC Cable
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25 ft. BNC–BNC Cable
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50 ft. BNC–BNC Cable
100 ft. BNC–BNC Cable
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REPLACEMENT PARTS
Hardware Kit
Bulkhead Adapters
Power Cables
Power Supply
Power Supply
Power Supply
LICENSING INFORMATION
Note that a ministerial license to operate this equipment may be re-
quired in certain areas. Consult your national authority for possible
requirements.
Changes or modifications not expressly approved by Shure Incorpo-
rated could void your authority to operate the equipment. Licensing of
Shure wireless microphone equipment is the user's responsibility, and
licensability depends on the user's classification and application, and
on the selected frequency. Shure strongly urges the user to contact
the appropriate telecommunications authority concerning proper li-
censing, and before choosing and ordering frequencies.
IMPORTANT: THIS RADIO EQUIPMENT IS INTENDED FOR
USE IN PROFESSIONAL ENTERTAINMENT (CLASS I) AND
SIMILAR APPLICATIONS.
NOTE: THIS EQUIPMENT MAY BE CAPABLE OF OPERATING
ON SOME FREQUENCIES NOT AUTHORIZED IN YOUR RE-
GION. PLEASE CONTACT YOUR NATIONAL AUTHORITY TO
OBTAIN INFORMATION ON AUTHORIZED FREQUENCIES
FOR WIRELESS MICROPHONE PRODUCTS IN YOUR REGION
FULL TWO YEAR WARRANTY
Shure warrants this product to be free in normal use of any defects
in workmanship and materials for two (2) years from the date of pur-
chase. If your Shure product fails within this period, call
1–800–516–2525 in the United States for details on repair, replace-
ment, or refund. In Europe, contact Shure Incorporated Europe
GmbH at +49 (7131) 7214–0 or +49 (7131) 7214–30 (service hot-
line) or contact your authorized Shure distributor. This warranty does
not cover abuse or misuse of the product, use contrary to Shure's
instruction, ordinary wear and tear, an act of God, or unauthorized
repair.
UA830WB
UA870WB
UA820A
UA820B
UA820C
UA820D
UA820E
UA802
UA806
UA825
UA850
UA8100
2
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90VL1371
95A8647
95A8420
PS44US
PS44E
PS44UK
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