1. Úvod
This manual provides detailed instructions for the installation, operation, and maintenance of the DIGITUS DS-55318 Wireless HDMI Extender Set. This device allows for wireless transmission of HDMI video and audio signals up to 50 meters with an unobstructed view, supporting Full HD (1080p / 60 Hz) resolution.

Image 1.1: The DIGITUS DS-55318 Wireless HDMI Extender Set, showing both the transmitter and receiver units.
2. Bezpečnostní informace
Please read and follow these safety instructions carefully before using the device:
- Nevystavujte zařízení vlhkosti, extrémním teplotám ani přímému slunečnímu záření.
- Nerozebírejte ani se nepokoušejte o opravu zařízení. Veškerý servis svěřte kvalifikovanému personálu.
- Během provozu zajistěte dostatečné větrání kolem jednotek.
- Use only the provided power cables or compatible Micro-USB power sources (5V/0.5A).
3. Obsah balení
Ověřte, zda jsou v balení přítomny všechny položky:
- 1x Wireless HDMI Extender Transmitter (TX)
- 1x Wireless HDMI Extender Receiver (RX)
- 2x Micro USB power cables (approx. 80 cm each)
- 2x HDMI extension cables (approx. 15 cm each)
- 1x Stručný návod k instalaci (QIG)

Image 3.1: All components included in the DIGITUS DS-55318 Wireless HDMI Extender Set package.
4. Konec produktuview
The DIGITUS DS-55318 set consists of two main units: a Transmitter (TX) and a Receiver (RX). Both units feature an integrated HDMI plug for direct connection and a Micro-USB port for power.
4.1. Součásti jednotky

Obrázek 4.1: Konecview of the Transmitter and Receiver units, highlighting the HDMI connection and connection button.
- HDMI konektor: Connects directly to the source (TX) or display (RX) device.
- Tlačítko připojení: Used for pairing the transmitter and receiver.
- Micro-USB port: For power supply (DC 5V/0.5A).

Obrázek 4.2: Detailní view of the HDMI plugs on both units.

Obrázek 4.3: Boční strana view of the units, showing the Micro-USB power input.
5. Pokyny k nastavení
The DIGITUS DS-55318 is designed for simple plug-and-play operation. Follow these steps for a point-to-point connection:
5.1. Připojení vysílače (TX)
- Connect the HDMI plug of the Transmitter (TX) unit to the HDMI output port of your source device (e.g., laptop, PC, media player). If space is limited, use the provided HDMI extension cable.
- Connect one of the Micro-USB power cables to the Micro-USB port on the Transmitter. Connect the other end of the USB cable to a USB port on your source device or a USB power adapter (5V/0.5A, not included). The source device's HDMI connection must provide at least 500 mA for power.

Image 5.1: The Transmitter (TX) unit connected to a laptop.
5.2. Connecting the Receiver (RX)
- Connect the HDMI plug of the Receiver (RX) unit to an available HDMI input port on your display device (e.g., TV, monitor, projector). If needed, use the provided HDMI extension cable.
- Connect the second Micro-USB power cable to the Micro-USB port on the Receiver. Connect the other end of the USB cable to a USB port on your display device or a USB power adapter (5V/0.5A, not included). The display device's HDMI connection must provide at least 500 mA for power.

Image 5.2: The Receiver (RX) unit connected to a television.
5.3. Establishing Connection (Pairing)
The transmitter and receiver units are typically pre-paired from the factory. If they do not connect automatically, follow these steps:
- Ensure both the Transmitter and Receiver units are powered on and connected to their respective devices.
- Press the "Connection button" on the Transmitter unit.
- Within a few seconds, press the "Connection button" on the Receiver unit.
- The units should establish a connection, and the video signal from the source device will appear on the display.

Image 5.3: Point-to-point connection diagram for the Wireless HDMI Extender.

Obrázek 5.4: Příkladample of the extender set in use within a meeting room environment.
6. Návod k obsluze
Once the connection is established, the DIGITUS DS-55318 operates automatically.
- Přenos signálu: The device wirelessly transmits HDMI video and audio signals from the source to the display.
- Podpora rozlišení: Supports resolutions up to Full HD (1080p / 60 Hz).
- Přenosová vzdálenost: Effective transmission distance is up to 50 meters with an unobstructed line of sight. Obstacles such as walls or furniture may reduce the effective range.
- Zabezpečení: Features AES 128-bit encryption and WPA2 protocol for secure transmission.
7. Údržba
To ensure the longevity and optimal performance of your DIGITUS DS-55318:
- Keep the units clean by wiping them with a soft, dry cloth. Do not use liquid cleaners.
- Pokud zařízení nepoužíváte, skladujte je na chladném a suchém místě.
- Nepokládejte na jednotky těžké předměty.
8. Řešení problémů
Pokud narazíte na problémy, podívejte se na následující běžné problémy a jejich řešení:
| Problém | Možná příčina | Řešení |
|---|---|---|
| Na displeji není žádný signál. | Units not powered, not paired, or out of range. |
|
| Intermittent signal or poor video quality. | Interference, excessive distance, or obstacles. |
|
| Žádný zvuk. | Audio settings on source/display, or connection issue. |
|
9. Specifikace
Technical specifications for the DIGITUS DS-55318 Wireless HDMI Extender Set:

Image 9.1: Technical features as listed on the product packaging.
| Funkce | Detail |
|---|---|
| Connections per unit | 1x HDMI plug, 1x Micro-USB jack |
| Zvuk | Stereo, 16 bits / 48 kHz |
| Latence | Cca. 120 ms |
| Podpora rozlišení | Up to 1920x1080p / 60 Hz (Full HD) |
| Bezdrátový kanál | IEEE 802.11ac, 5 GHz, 2T2R |
| Napájení | Micro-USB (DC 5V/0.5A), HDMI jack (0.5A required) |
| Spotřeba energie | 2.5 W |
| Provozní teplota | 0 - 40 °C |
| Hmotnost (1 jednotka) | 27 g |
| Rozměry (1 jednotka) | L 8.3 x W 3.2 x H 1.3 cm |
| ASIN | B09YD8DPMD |
| Číslo modelu položky | DS-55318 |
| Rozměry balení | 19.69 x 19.69 x 11.02 palce |
| Hmotnost balení | 0.952 unce |
| Datum první dostupnosti | 8. srpna 2022 |
| Výrobce | Digitus |
10. Informace o záruce
DIGITUS products are covered by a manufacturer's warranty. Please refer to the official DIGITUS website or your purchase documentation for specific warranty terms and conditions applicable to your region. Keep your proof of purchase for warranty claims.
11. Podpora
For technical support, product information, or service inquiries, please visit the official DIGITUS webmísto:
Manufacturer: ASSMANN Electronic GmbH, Auf dem Schüffel 3, 58513 Lüdenscheid, Germany.
UPC: 4016032478744