無(wú)線(xiàn)會(huì)議主席單元 DH-9300A高科技外觀設(shè)計(jì)，內(nèi)置天線(xiàn)，整體新穎時(shí)尚?莊重，帶有紅色燈環(huán)顯示話(huà)筒工作狀態(tài)。帶2.23寸高亮度全視角OLED顯示屏,顯示內(nèi)容清晰話(huà)筒頭部根據(jù)聲學(xué)空間學(xué)原理設(shè)計(jì)，配合新型防嘯叫單指向高靈敏度電容咪芯，使會(huì)議聲音音質(zhì)實(shí)現(xiàn)高保真度還原全新概念的抗電磁干擾電路設(shè)計(jì)，杜絕手機(jī)等電子產(chǎn)品的電磁干擾話(huà)筒帶液晶顯示屏可顯示話(huà)筒狀態(tài)、訊號(hào)強(qiáng)度、電池電量。并帶有多功能按鍵，進(jìn)入菜單后
Wireless conference chair unit DH-9300A, DH-9300B
High-tech appearance design, built-in antenna, the whole novel and solemn fashion, with a red light ring to show the working state of the microphone.
With 2.23 inch high brightness full view OLED display, display content clear
The microphone head is designed according to the acoustics and space theory, and with the new anti-noise single pointing high-sensitivity capacitor microphone core, the meeting sound quality can be restored in high fidelity
The new concept of anti-electromagnetic interference circuit design, eliminate mobile phone and other electronic products electromagnetic interference
Microphone with LCD display can display microphone status, signal strength, battery power. With multi-function button, after entering the menu, you can debug and view the microphone parameters, edit address, etc.
The unit adopts UHF wireless technology to transmit audio and control signals. The effective communication distance of F is 50 meters indoors and 90 meters outdoors
Ultra low power circuit design, continuous speaking time is not less than 9 hours, standby time is not less than 20 hours. You can choose the original rechargeable appliance or the ordinary 5 battery
Chairman unit, with priority key, can control the meeting atmosphere.
The representative unit has a variety of exit modes, and the state of speech is controlled by the chairman unit.
Technical parameters:
Working voltage DC 3.7V -- 4.5V
Power consumption Standby ≦ 350MW, speaking ≦ 620MW
Display 128x32 PMOLED blue
Operating temperature -9℃ -- 40℃
Dimensions (W×H×D) 183×130×54mm microtube 420mm
Weight is 0.7 kg
Audio signal
Transmission mode UHF wireless mode (one-way)
Channel number 5
Transmission band UHF512-945MHz
Demodulation mode FM
Sensitivity of 90 DBM
Maximum modulation is 60K
Radiated power ≦+9dBm
Frequency deviation < 0.002
Pick up distance: 10cm--30cm
Control signal
Transmission mode UHF wireless mode (two-way)
Channel number 16
Transmission band UHF423-436MHz
Modulation mode FSK
Sensitivity of 90 DBM
Radiated power ≦+7dBm
Frequency deviation < 0.003
Data rate 110KBPS
Mon-Sat 9:00-18:00