Product Information UHF Antenna Distribution System ATW-DA49b
■Description
■Specifications
470 MHz to 990 MHz
2 input - BNC jack
2 x 4 distribution ouput - BNC jack
-35 dBm (typ.)
12 V DC, maximum 250 mA x 2
100 to 240 V AC (50/60 Hz) to 12V DC 3.0A
-5°C to 45°C
209 mm W × 43.5 mm H × 191 mm D (excluding protrusions)
1.45 kg
Rack-mount kit (rack-mount × 2, mounting screw × 6),
BNC cable × 10, DC power interconnect cables x 4,
AC adapter and cord
■Connection
Audio-Technica Corporation
2-46-1 Nishi-naruse, Machida, Tokyo 194-8666, Japan
©2017 Audio-Technica Corporation
Global Support Contact: www.at-globalsupport.com
04-JUL-2022 Form No.ATGC-L0412-22
Thank you for purchasing this product. Before using the product, read through the user manual to ensure that
you will use the product correctly.
Please keep this manual for future reference.
The ATW-DA49b is a wide-band UHF (wide-band 440-900 MHz) active unity-gain diversity antenna
distribution system that enables one pair of antennas to feed multiple wireless systems. Provides two
“1-in, 4-out” RF channels; connects a pair of antennas to as many as four wireless receivers. Either
passive or active antennas may be used. Both input jacks offer switchable +12V DC output on their
center pins to operate Audio-Technica powered antennas or other in-line RF devices if desired.
Four power jacks on the rear panel provide 12V DC (center positive) to power as many as four wireless
receivers. Each output is short-circuit protected and can supply up to 500 mA. Included with the unit are
four DC cables appropriate for use with ATW-R3100b or ATW-R2100a (or like powered) receivers.
The ATW-DA49b features all-metal construction for extreme durability and protection from
radio-frequency interference. Occupying one vertical space, the half-rack sized unit offers flexibility in
sharing rack space with a receiver, another ATW-DA49b, or front mount antenna connections using the
included rack mounting hardware.
Includes ten RF cables, four DC power cables, +12V DC desktop power supply with detachable IEC
power cable, and rack-mount hardware kit to permit attachment in a standard 19” rack space.
For product improvement, the product is sublect to modification without notice.
■Safety precaution
■Cautions for the product
Although this product was designed to be used safely, failing to use it correctly may result in an accident. To
ensure safety, observe all warnings and cautions while using the product.
• Disconnect the product from a device if the product begins to malfunction, producing smoke, odor, heat,
unwanted noise or showing other signs of damage. In such a case, contact your local Audio-Technica
dealer.
• Do not remove the cover. There are no user-serviceable parts inside.
• Internal adjustments are for qualified professionals only. Refer all servicing to qualified service personnel.
• Do not expose this appliance to rain or moisture.
• Do not subject the product to strong impact to avoid electric shock, malfunction or fire.
Operating Frequencies
Input Connector
Output Connector
OIP3
Phantom Power
Power Supply
Operating Temperature Range
Dimensions
Weight
Accessories Furnished
■Features
• Active UHF diversity antenna distribution system
• Wide-band 470 - 990 MHz
• Enables one pair of antennas to feed multiple wireless systems
• Provides 12VDC at up to 500 mA to power 4 receivers. Connect the included DC cables to supply up to
four ATW-R2100 or ATW-R3100 receivers.
• High OIP3 for maximum protection against intermodulation
• Provides antenna power 12V/250 mA max from each antenna input
• Designed to complement Audio-Technica's wireless systems
• Suitable for many other wireless systems operating within the 470 - 990 MHz range
■Dimensions
(Unit: mm)
209.0
191.0
43.5
223.5
+1.0 dB ± 2.0 dB
+1.0 dB ± 2.0 dB
RF Output Gain
Input/Output Gain
ATW-DA49b
ATW-R2100b
ATW-R2100b
ATW-R2100b
ATW-R2100b
AC adapter
2 Antennas
