Overview
The ADN-W D1 wireless delegate unit offers excellent speech intelligibility and ease of use. Powered by the exchangeable ADN-W BA battery pack, the unit offers more than 20 hours operating time. The delegate unit features a microphone key that functions either as an on/off switch or as a request-to-speak button. The unit is equipped with a high-performance broadband twin loudspeaker system for decentralized sound reinforcement. A screw-on microphone socket is provided to connect a super-cardioid ADN-W MIC gooseneck microphone (available in different lengths and frequency responses). The wireless delegate unit with its battery pack can be charged in the ADN-W CASE UNITS or using the NT 12-50C DC power supply.
Specifications

Dimensions
Width 185 mm, Length 180 mm, Height 67 mm 

Frequency response
100 Hz to 14.5 kHz 

Weight
approx. 940 g 

Charging time
approx. 4 h 

Operating temperature
5° … +45° C 

RF output power
25 to 100 mW 

Operating time
approx. 20 h with battery pack 

Power supply
7.4 VDC via ADN-W BA 

Antenna connector
Inbuilt PCB antennas with pattern diversity 

Frequency range
2.4 / 5.1 - 5.9 GHz 

Headphone output level
50 mW / 16 ? 

Max. coverage area
30 m to ADN-W AM 

Operating relative humidity
20 … 80% 

Audio quality
16 bit / 32 kHz