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UA221-RSMA
Passive Antenna Splitter
IMPORTANT SAFETY INSTRUCTIONS
1. READ these instructions.
2. KEEP these instructions.
3. HEED all warnings.
4. FOLLOW all instructions.
5. DO NOT use this apparatus near water.
6. CLEAN ONLY with dry cloth.
7. DO NOT block any ventilation openings. Allow sufficient
distances for adequate ventilation and install in accordance
with the manufacturer’s instructions.
8. DO NOT install near any heat sources such as open flames,
radiators, heat registers, stoves, or other apparatus (including
amplifiers) that produce heat. Do not place any open flame
sources on the product.
9. DO NOT defeat the safety purpose of the polarized or
grounding type plug. A polarized plug has two blades with one
wider than the other. A grounding type plug has two blades
and a third grounding prong. The wider blade or the third
prong are provided for your safety. If the provided plug does
not fit into your outlet, consult an electrician for replacement of
the obsolete outlet.
10. PROTECT the power cord from being walked on or pinched,
particularly at plugs, convenience receptacles, and the point
where they exit from the apparatus.
11. ONLY USE attachments/accessories specified by the
manufacturer.
12. USE only with a cart, stand, tripod, bracket, or table specified
by the manufacturer, or sold with the apparatus. When a cart is
Publications User Guides UA221-RSMA (English)
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Table of Contents
IMPORTANT SAFETY
INSTRUCTIONS
General Description
Furnished Accessories
Installing the UA221-RSMA
Splitters
Optional Accessories and
Replacement Parts
Specifications
Certifications
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used, use caution when moving the cart/apparatus combination
to avoid injury from tip-over.
13. UNPLUG this apparatus during lightning storms or when
unused for long periods of time.
14. REFER all servicing to qualified service personnel. Servicing is
required when the apparatus has been damaged in any way,
such as power supply cord or plug is damaged, liquid has been
spilled or objects have fallen into the apparatus, the apparatus
has been exposed to rain or moisture, does not operate
normally, or has been dropped.
15. DO NOT expose the apparatus to dripping and splashing. DO
NOT put objects filled with liquids, such as vases, on the
apparatus.
16. The MAINS plug or an appliance coupler shall remain readily
operable.
17. The airborne noise of the Apparatus does not exceed 70dB (A).
18. Apparatus with CLASS I construction shall be connected to a
MAINS socket outlet with a protective earthing connection.
19. To reduce the risk of fire or electric shock, do not expose this
apparatus to rain or moisture.
20. Do not attempt to modify this product. Doing so could result in
personal injury and/or product failure.
21. Operate this product within its specified operating temperature
range.
Explanation of Symbols
Caution: risk of electric shock
Caution: risk of danger (See note.)
Direct current
Alternating current
On (Supply)
Equipment protected throughout by DOUBLE INSULATION or
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REINFORCED INSULATION
Stand-by
Equipment should not be disposed of in the normal waste
stream
WARNING: Voltages in this equipment are hazardous to life. No
user-serviceable parts inside. Refer all servicing to qualified service
personnel. The safety certifications do not apply when the operating
voltage is changed from the factory setting.
General Description
The Shure UA221-RSMA is a bi-directional splitter/combiner which
can be used to route the RF signal from a single antenna to two
inputs, or to connect two antennas to a single input.
Important Compatibility Information:
UA221-RSMA splitters are intended for use with Shure wireless
systems which operate between 700 MHz and 2.7 GHz
Use with reverse SMA cables only
The splitter is not compatible with the UA846 Frequency
Manager
The splitter blocks DC power
Furnished Accessories
0.6 m (2 ft.) Reverse SMA Cable (2) UA802-RSMA
Installing the UA221-RSMA Splitters
Use the two antenna splitters and supplied cables to configure a
system in one of the following ways. Antennas must be compatible
with the operating frequency range of the receivers.
Using a Single Pair of Antennas with Two
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Receivers
Split the signal from one pair of antennas to two receivers.
Optional Accessories and
Replacement Parts
1/2 Wave Antenna, 45 deg. (2.4 GHz) UA8-2.4GHZ
Passive Directional Antenna PA805Z2-RSMA
Remote Antenna Mounting Bracket Kit UA505-RSMA
0.6 m (2 ft.) Reverse SMA Cable UA802-RSMA
1.8 m (6 ft.) Reverse SMA Cable UA806-RSMA
7.6 m (25 ft.) Reverse SMA Cable UA825-RSMA
15.2 m (50 ft.) Reverse SMA Cable UA850-RSMA
30.4 m (100 ft.) Reverse SMA Cable UA8100-RSMA
Specifications
Frequency Range
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<2:1 Voltage Standing Wave Ratio (VSWR)
700–2700 MHz
Impedance
50 Ω
Port-to-port isolation
20 dB, minimum
Insertion Loss
0.8 dB (3 dB splitter loss not included)
Maximum Power Handling
Total RF input power from all ports
250 mW, Maximum
Dimensions
64.2 x 67.7 x 16 mm (2.5 x 2.7 x 0.6 in.) (H x W x D)
Weight
42.5 g (1.5 oz.)
Certifications
This product meets the Essential Requirements of all relevant
European directives and is eligible for CE marking.
The CE Declaration of Conformity can be obtained from:
www.shure.com/europe/compliance
Authorized European representative:
Shure Europe GmbH
Headquarters Europe, Middle East & Africa
Department: EMEA Approval
Jakob-Dieffenbacher-Str. 12
75031 Eppingen, Germany
Phone: +49-7262-92 49 0
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Fax: +49-7262-92 49 11 4
Email: info@shure.de
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