Digitus DS-55320 User manual

Wireless HDMI Transmitter
(additional transmitter unit
for DS-55319)
Quick Installation Guide
DS-55320

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Table of Contents
1. Introduction ............................................................................3
2. Main Features .........................................................................4
3. Package Content......................................................................5
4. Product Features .....................................................................5
5. Product Specification...............................................................6
6. Overview.................................................................................8
6.1 Transmitter Unit ................................................................8
7. Streaming................................................................................9
7.1 Streaming from Transmitter...............................................9
8. Pairing Transmitter and Receiver.............................................9

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1. Introduction
With the Wireless Presentation System, you can wirelessly transmit
HDMI video and audio signals in Full HD over a distance of up to 50 m
with an unobstructed view. Operation and installation are super
simple. Real Plug & Play - Just plug in and get started. With additional
transmitters (DS-55320), the set can be extended to up to 16
transmitter units (total). Switch to the desired transmitter quickly and
easily at the press of a button in order to reproduce your content. You
can also share content directly from your mobile device
(smartphone/table) using your device’s OS directly, no additional app
required. Transmitter and receiver can be supplied with power via
your device’s HDMI connection (> 500 mAh required). To have a safe
and stable operation, we recommend to use always the Micro USB
cables for power supply of TX and RX.
Thanks to the compact design of the transmitter and receiver,
installation is easy, quick and can be customized - the perfect solution
for meeting and conference rooms.

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2. Main Features
•Wireless HDMI signal transmission up to 50 m
(with unobstructed view)
•With this transmitter unit, extend the Wireless Presentation
System (DS-55319) to up to 16 transmitters
•Switch to the desired transmitter quickly and easily at the press
of a button in order to reproduce your content
•Supports resolutions up to Full HD (1080p / 60 Hz)
•Easy operation and handling thanks to Plug & Play - Just plug in
and get started
•Transmitter can be supplied with power via your device’s HDMI
connection (> 500 mAh required). To have a safe and stable
operation, we recommend to use always the Micro USB cables for
power supply of TX and RX.

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3. Package Content
•1x Transmitter unit
•1x Micro USB cable (80 cm)
•1x HDMI extension cable (15 cm)
•1x QIG
4. Product Features
Features
Description
Plug and play
Simply connect the transmitter
with the PC HDMI ports and
connect the receiver with the
screen, the transmitter and
receiver will connect
automatically
App Free
DS-55320 doesn’t need any
software or app installation, no
setup, no IT team
All in one
Supports also Blu-ray / DVD
player, media player and any
device with HDMI jack
Multi-user mode
Up to 16 user’s presentation at
one time
Auto Channel Selection
The Wireless HDMI Transmitter
will select the best Wi-Fi channel
automatically after power on to
ensure streaming smoothly

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Fast Speed with 5G AC
MIMO Technology
The Wireless HDMI Transmitter
comes with the fast 802.11ac
MIMO technology which
increases Wi-Fi speeds by
allowing a pair of wireless devices
to simultaneously send or receive
multiple data streams
1080p60 High Video Quality
DS-55320 supports 1080p
resolution, which means much
more clear pictures, rich in details
and texture compared with 720p.
High Security Protection
No worries about the data
security, Click & Present Mini
supports AES 128-bit security
encryption and WPA2/WPA-
PSK/WPA2-PSK authentication
protocol to protect data. HDCP is
supported to protect the content
5. Product Specification
Feature
Video Input
1920x1080 (1080p60/50/30/25/24
，
1080i60/50)
1280x720 (720p60/50)
720×576 (576p50)
720×480 (480p60)
Video output
Up to Full HD, 1080p/60 Hz
Audio
Stereo, quality 16bits 48KHz
Wireless Channel
IEEE 802.11ac, 5GHz, 2T2R
Latency
Around 120ms latency
HDMI Version
HDMI 1.4 with HDCP1.3

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Authentication
Protocol
WPA2 (WPAS-PSK / WPA2-Enterprise)
Security
AES 128 bit
Platform supported
Windows, macOS
Distance
About 50 meters in the clear line of
sight
Transmitter
Interface
HDMI in jack x 1, micro USB x 1,
button x 1
LED
Red and Blue
Switch Button
1 x
Power Supply
DC5V/0.5A
Power Consumption
About 2,5 W
Dimension
83 x 32 x 13mm
Weight
27.1 g
Temperature Range
Operating
0°C to +40°C (+32°F to +104°F)
Storage
-10°C to +60°C (+14°F to +140°F)
Humidty
Operating
10% to 80% relative humidity
Storage
5% to 90% relative humidity

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6. Overview
6.1 Transmitter Unit
1. HDMI in
Connect source devices, like with a
computer or other devices with HDMI,
the HDMI in also supports 5V power if the
source devices has HDMI with a 5V output
2. Button
Short press: start to cast
Long press: long press up to 10 seconds
for factory reset
2. LED
To display different statue
3. Micro USB
For power supply
LED indicator of the
Transmitter Unit
Description
Static red
Transmitter Unit system is booting on
Flashing red
Transmitter is searching for Receiver
Flashing blue
Waiting for connection
Static blue
Connected and started to present
Purple
No HDMI in

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7. Streaming
7.1 Streaming from Transmitter
1. Connect the Micro-USB cable with the transmitter and PC
(recommended)
2. Connect the transmitter HDMI Unit to a PC HDMI port
3. The LED indicator of the Transmitter will turn red when it’s
booting up
4. The LED indicator will become blue and flashing when it is ready to
stream
5. Click the button to start casting, the LED indicator will become
constant blue
8. Pairing Transmitter and Receiver
The set DS-55319 includes one receiver and one transmitter, which are
paired before shipment. Normally you don’t need to pair them again.
However, if you buy an additional transmitter (DS-55320) or need to
re-pair, you need to follow the instruction below to pair the new
transmitter with the receiver.
1. Ensure that previously connected transmitters are powered off
and not connected to the receiver.
2. Power on the receiver via Micro-USB/Wifi cable and connect
with display. Then connect the receivers HDMI plug with the
display.
3. Power on the transmitter via Micro-USB cable and connect with
the PC first. Then connect the HDMI plug with the PC.

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4. The LED turns to flash red, then press the button up to 5
seconds till the LED become fast flashing red, this means the
transmitter unit is in factory reset mode.
5. Wait around 15 seconds, the button light of Transmitter Unit
will turn to constant blue from the red light, and the pair
successful message will be displayed on the Receiver Unit
screen.
Remark:
Please make sure that no other transmitter is connected to the
receiver when you pair a new transmitter, please ensure to power
off all other previously installed transmitter first
Frequency Range & Maximum Transmit Power
WiFi Standard: 802.11b/g/n/ac 5G WiFi
Channel: 36, 40
Core Frequency: 5180, 5200
Range: 5170 ~ 5210MHz
Bandwidth: 20/40MHz
Transmitter power: 13 dBm max
SW version: TX: 2.3.9
HW version: S100TX-LC01-01

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Important safety instructions
Please read the following safety instructions carefully before
installation and operation:
6. Observe all warnings and instructions concerning this device
7. Do not expose the device to rain, moisture, vapors or liquids
8. Do not insert any objects into the device
9. Do not attempt to repair the unit yourself or open the cabinet.
Risk of electric shock!
10. Ensure adequate ventilation to prevent damage due to
overheating
11. Turn off the power supply and make sure the environment is
safe before installation
12. In the event of thunderstorms, there is a risk of lightning strike
and damage to connected electrical equipment due to
overvoltage
13. Do not install this device during a thunderstorm
14. Disconnect the device from the connected electrical appliances
during a thunderstorm
15. Use the device inside buildings only
16. Return the device to your dealer in case of repair
17. Dust, moisture, vapors and strong cleaning agents or solvents
can damage the device
18. Disconnect the device from the power supply and the
connected devices before cleaning
19. Clean the device with a lint-free cloth

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Disclaimer
The terms HDMI and HDMI High-Definition Multimedia interface,
and the HDMI Logo are trademarks or registered trademarks of
HDMI Licensing LLC in the United States and other countries.
Hereby ASSMANN Electronic GmbH declares that the Declaration
of Conformity is part of the shipping content. If the Declaration of
Conformity is missing, you can request it by post under the below
mentioned manufacturer address.
www.assmann.com
Assmann Electronic GmbH
Auf dem Schüffel 3
58513 Lüdenscheid, Germany