Electronics / Microphones
Sennheiser Spectera DAD UHF and DAD 1G4 User Manual
Quick guide for the Sennheiser Spectera DAD UHF and DAD 1G4. Includes technical specifications, frequency usage guidelines, regulatory compliance, and safety information.
Quick answers from the manual
Quick answer
- The Sennheiser Spectera DAD UHF and DAD 1G4 are digital antenna directional units. This manual provides regulatory compliance, safety instructions, and technical specifications for these devices. p. 1, 2
Key actions
- Unlock frequency range p. 1
Technical specifications
| Parameter | Value | Meaning | Pages |
|---|---|---|---|
| RF Frequency Range (UHF) | 470 - 608 MHz, 630 - 698 MHz | Operating frequency range for UHF model | p. 2 |
| RF Frequency Range (1G4) | 1350 - 1400 MHz, 1435 - 1525 MHz | Operating frequency range for 1G4 model | p. 2 |
| IP Class | IP54 | Ingress protection rating | p. 2 |
Where to find it in the PDF
- Regulatory and Safety Information p. 1
- Technical Specifications p. 2
Table of contents
Important Information
This document provides essential regulatory, safety, and technical information for the Sennheiser Spectera DAD UHF and DAD 1G4 antennas. Before operating the product, ensure you are familiar with local frequency regulations, as specific conditions and restrictions may apply in your country.
Frequency Usage
The Spectera system operates within specific frequency bands. Users must comply with local regulations regarding frequency usage. In the United States, operation in the 1435–1525 MHz band requires mandatory license application with the AFTRCC. Once authorized, an electronic key must be downloaded from eas.sennheiser.com and used in the WebUI to unlock the authorized frequency range.
Technical Specifications
The Spectera DAD antennas are designed for professional audio applications with the following key specifications:
- Transmission Scheme: Multicarrier, TDMA, TDD
- RF Channel Bandwidth: 6 or 8 MHz (countrywise limited)
- Frequency Range (UHF): 470–608 MHz, 630–698 MHz
- Frequency Range (1G4): 1350–1400 MHz, 1435–1525 MHz
- Encryption: AES 256 CTR Mode
- Power Consumption: PoE class 2 (<6.5 W)
- Connection: Ruggedized RJ45 including PoE (max. 100 m cable)
- IP Rating: IP54
Safety and Disposal
The product must be disposed of separately at the end of its service life. Do not dispose of it with normal household waste. Follow local regulations for the disposal of electrical and electronic equipment and batteries. If batteries can be removed, they must be disposed of separately. Handle lithium-containing batteries with care due to fire and ingestion risks.
Personal Data Processing
The Spectera device is designed to capture and transmit speech and acoustic signals. As a user, you are responsible for complying with applicable data protection laws (such as GDPR) when recording or using voice data for identification purposes.
Official resources from the manual
Manufacturer information
Sennheiser
Practical help
Common problems
Frequency range is locked
Ensure you have obtained AFTRCC authorization (in the US) and downloaded the electronic key from eas.sennheiser.com to unlock the frequency range in the WebUI.
Interference with other radio services
Check local frequency regulations at www.sennheiser.com/sifa before operation. Reorient or relocate the receiving antenna if interference occurs.
Before use
- Check local frequency regulations for your country.
- Ensure the antenna is installed with a minimum distance of 20 cm from the body.
- Verify that the PoE connection is established using a ruggedized RJ45 cable.
- Check if firmware updates are required for specific link modes.
Model compatibility
- Compatible with Spectera Base Stations.
- Requires firmware update for cascade port function (future release).
Manual page author
Emily Carter
User documentation editor
Prepares concise manual descriptions and highlights the most useful setup, operation, and maintenance information for readers.