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For participants, the most important component of the conference system is the conference installation. In adhering to a new generation of DCN meeting elegant design, on the basis of Bosch launched a new series of wireless device meeting, they not only have dazzling modelling, also provides unparalleled performance excellence. The DCN WD?D wireless conference device enables participants to speak, register requests for statements and listen to others. Basic functional speech intelligibility ensures maximum speech intelligibility at all times. This wireless conference device USES a 2.4ghz operating frequency band (without a license), has a high signal-to-noise ratio and excellent antenna difference, and can produce excellent sound effect. This means that the signal can be transmitted along multiple propagation paths to ensure the best signal reception. The system is also fully protected from mobile phones and other devices that use bluetooth or microwave signals. Secure wireless communications means more security considerations need to be considered. Therefore, the 128-bit AES encryption technology is adopted in the DCN cable-free system and conference device to prevent eavesdropping and unauthorized access. Encryption function can ensure the confidentiality of information in the system. Microphone it has a socket for connecting short/long handle pluggable microphones (DCN?MICS and DCN?MICL, which need to be ordered separately). Earphones and speakers in addition, the device also provides a two-way earphone connection that allows you to listen to others even if the background sounds are very noisy. To prevent acoustic feedback, the built-in speakers turn silent when the microphone is turned on. If the headset is enabled, the volume of the headset will also be lowered automatically when the microphone is turned on to prevent acoustic feedback. The decorative borders and buttons Bosch offers a multi-colored decorative border (DCN?DISR, which requires a separate order) to match the conference room style. This device can be used as: ? single representative machine ? double representative machine ? single representative machine (DCN?DISBCM chairman button, which needs to be ordered separately) ? single representative machine with auxiliary button (such as used to summon service personnel). Easy battery maintenance is important for wireless systems. One of Bosch wireless conference installations features a separate charging battery pack (DCN?WLIION, which requires a separate order). It takes only a few seconds to unload and replace these lithium-ion batteries, providing great flexibility for daily charging operations. Controls and indicator front ? microphone buttons with red or green hair rings. Red indicates that the microphone is activated, Green said have accepted a request, the headset volume control buttons at the back of the, beyond the range indicator, insufficient battery indicator lamp base, hidden, "De - init" switch mode selection switch (delegates, etc.), chairman of the interconnection, used for pluggable microphone socket, two 3.5 mm (0.14 inch) stereo headphone jack, can be made of DCN ? WPS provide input dc power supply (when unload the battery pack can connect into) certificate and approval certification European CE frequency response 30 technical specifications of electrical indicators Hz - 20 kHz headphones 32 ohm load impedance > < 1 k ohm output power 2 x 15 mW/installed mechanical index desktop size 32 ohms (high x width x deep) contains no microphone, 61 x 190 x 160 mm (2.4 x 7.5 x 6.3 inches) weight does not contain battery containing 485 grams (1.07 pounds) of 700 grams (1.54 pounds) at the top of the color (RAL) 9022 white base color carbon black (PH 10736) DCN?WD wireless conference device with pluggable microphone and a new generation of wireless conference discussion device of DCN system with dark base. Microphones, trim strips and batteries are ordered separately. DCN?MICS can plug and pull short microphones in the new generation of DCN system of the ordering number dcn-wd-d hardware accessories. The length is 310 mm (12.2 inches), silver white. The ordering number is dcn-mics DCN?MICL, which can plug and pull long microphone. The new generation of DCN system can plug and pull long microphone, with a length of 480 mm (18.9 inches) and a silver-white color. Order no. Dcn-micl dcn-disrh-sr decorative border, high gloss, silver white (10 sets per set) new generation DCN system conference discussion equipment decorative strips, high gloss, silver white (10 sets). Order no. Dcn-disrh-sr dcn-disr-sr decorative border, silver white (10 pieces per set) new generation DCN system conference discussion device decorative strips, silver white (10 pieces). Dcn-disr-sr DCN?DISR?D trim border, dark (10 in each set) new generation DCN system meeting discussion device trim bar, dark (10 in each set). Order no. Dcn-disr-d DCN?DISRMH decorative borders, metal, high gloss (10 per set) new generation DCN system conference discussion device decorative strips, metal, high gloss (10 sets). Order no. Dcn-disrmh DCN?DISRMS decorative borders, metal, sub-gloss (10 in each set) new generation DCN system conference on device decorative strips, metal, semi-gloss (10 in each set). Dcn-disrms dcn-disbcm chairman button (10) new generation DCN system meeting discussion device chairman button (10). Order no. Dcn-disbcm DCN?WLIION?D wireless discussion device battery pack new generation DCN system wireless conference discussion device battery pack, carbon black, lithium, 7.2 VDC, 4800 mAh. Order no. Dcn-wliion-d DCN?WPS wireless discussion device power supply wireless conference discussion device power supply. Not applicable to certain countries/regions. The portable case of dcn-wps dcn-fcwd10, which can hold 10 wireless conference devices, can hold 10 new generation DCN system wireless conference discussion devices and 2 portable cases of charging devices, light gray. Order number DCN - FCWD10