1. Introduction
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. Consignes de sécurité
Please read and follow these safety instructions carefully before using the device:
- N’exposez pas l’appareil à l’humidité, aux températures extrêmes ou à la lumière directe du soleil.
- Ne pas démonter ni tenter de réparer l'appareil. Confier toute intervention à un personnel qualifié.
- Assurez une ventilation adéquate autour des unités pendant leur fonctionnement.
- Use only the provided power cables or compatible Micro-USB power sources (5V/0.5A).
3. Contenu du colis
Vérifiez que tous les éléments sont présents dans votre colis :
- 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 Guide d'installation rapide (QIG)

Image 3.1: All components included in the DIGITUS DS-55318 Wireless HDMI Extender Set package.
4. Produit terminéview
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. Composants de l'unité

Image 4.1 : Terminéview of the Transmitter and Receiver units, highlighting the HDMI connection and connection button.
- Prise HDMI : Connects directly to the source (TX) or display (RX) device.
- Bouton de connexion : Used for pairing the transmitter and receiver.
- Port micro-USB : For power supply (DC 5V/0.5A).

Image 4.2 : Détail view of the HDMI plugs on both units.

Image 4.3 : Côté view of the units, showing the Micro-USB power input.
5. Instructions de configuration
The DIGITUS DS-55318 is designed for simple plug-and-play operation. Follow these steps for a point-to-point connection:
5.1. Connexion de l'émetteur (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. Connexion du récepteur (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.

Image 5.4 : Example of the extender set in use within a meeting room environment.
6. Mode d'emploi
Once the connection is established, the DIGITUS DS-55318 operates automatically.
- Transmission du signal: The device wirelessly transmits HDMI video and audio signals from the source to the display.
- Prise en charge de la résolution : Supports resolutions up to Full HD (1080p / 60 Hz).
- Distance de transmission : 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.
- Sécurité: Features AES 128-bit encryption and WPA2 protocol for secure transmission.
7. Entretien
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.
- Rangez les appareils dans un endroit frais et sec lorsqu'ils ne sont pas utilisés.
- Évitez de placer des objets lourds sur les appareils.
8. Dépannage
En cas de problème, veuillez consulter la liste des problèmes courants et leurs solutions ci-dessous :
| Problème | Cause possible | Solution |
|---|---|---|
| Aucun signal affiché. | Units not powered, not paired, or out of range. |
|
| Signal intermittent ou mauvaise qualité vidéo. | Interference, excessive distance, or obstacles. |
|
| Pas de son. | Audio settings on source/display, or connection issue. |
|
9. Spécifications
Technical specifications for the DIGITUS DS-55318 Wireless HDMI Extender Set:

Image 9.1: Technical features as listed on the product packaging.
| Fonctionnalité | Détail |
|---|---|
| Connections per unit | 1x HDMI plug, 1x Micro-USB jack |
| Audio | Stereo, 16 bits / 48 kHz |
| Latence | Environ. 120 millisecondes |
| Résolution de support | Up to 1920x1080p / 60 Hz (Full HD) |
| Canal sans fil | IEEE 802.11ac, 5 GHz, 2T2R |
| Alimentation électrique | Micro-USB (DC 5V/0.5A), HDMI jack (0.5A required) |
| Consommation d'énergie | 2.5 W |
| Température de fonctionnement | 0 - 40 °C |
| Poids (1 unité) | 27 g |
| Dimensions (1 unité) | L 8.3 x L 3.2 x H 1.3 cm |
| ASIN | B09YD8DPMD |
| Numéro de modèle de l'article | DS-55318 |
| Dimensions du colis | 19.69 x 19.69 x 11.02 pouces |
| Poids du colis | 0.952 onces |
| Date de première disponibilité | 8er août 2022 |
| Fabricant | Digitus |
10. Informations sur la garantie
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. Assistance
For technical support, product information, or service inquiries, please visit the official DIGITUS website:
Manufacturer: ASSMANN Electronic GmbH, Auf dem Schüffel 3, 58513 Lüdenscheid, Germany.
Code à barres : 4016032478744