Products / Services : LQ Technology Co., Ltd

Functional Characteristics: 1.VHF frequency-locking bi-channel wireless conference microphones, high sensitivity, wide frequency response; good directivity, stable functions, convenient operation, and so on 2.Metal material standard case, 1U metal panel configured with bi-channel receiver. 3.The mainframe respectively provides balanced audio output sockets and mixed unbalanced output sockets. 4.Widely fitting to various connecting requirements, sell well at home and abroad; suitable for different kinds of conferences . Specification Parameter: Receiver Parameter: Oscillation: quartz crystal oscillation; Frequency Range: VHF 200MHz¡«270MHz; frequency stability: ¡À0.001%; Maximum Frequency Deviation: ¡À50KHz; Modulation Mode: FM; S/N Ratio: >105Db; T.H.D: <0.5%@1KHz; Sensitivity: 1.2/UV @S/N=12dB Power Supply: DC 12V¡«17V; Audio Output: Free standing 0¡«400mV Mixed style: 0¡«300mV Emitter Parameter: Oscillation: quartz crystal oscillation Power Supply: DC 9V Frequency Range: VHF 200MHz¡«270MHz Microphone Power Consumption: 30mA Frequency Stability: ¡À0.001% Carrier Frequency: VHF 190MHz¡«270MHz Maximum Frequency Deviation: ¡À50KHz Frequency Stability Degree: ¡À25KHz Modulation Mode: FM S/N Ratio: >105dB ACI Ratio: >80Db T.H.D: <0.5%@1KHz DR Range: ¡Ý100dB Sensitivity: 1.2/UV @S/N=12dB Type: condenser Power Supply: DC 12V¡«17V Polarity Mode: sole directivity; Frequency Response: 40Hz¡«20KHz Microphone Sensitivity: -47¡À3dB@1KHz

Functional Characteristics: 1.VHF frequency-locking bi-channel wireless conference microphones; high sensitivity; wide frequency response; good directivity; stable functions; convenient operation; and so on. 2. Metal material standard case; 1U metal panel configured with bi-channel receiver. 3.The mainframe respectively provides balanced audio output sockets and mixed unbalanced output sockets. 4. widely fitting to various connecting requirements, sell well at home and abroad; suitable for different kinds of conferences. Specification Parameter: Receiver Parameter: Oscillation: quartz crystal oscillation; Frequency Range: VHF 200MHz¡«270MHz; frequency stability: ¡À0.001%; Maximum Frequency Deviation: ¡À50KHz; Modulation Mode: FM; S/N Ratio: >105Db; T.H.D: <0.5%@1KHz; Sensitivity:1.2/UV @S/N=12dB Power Supply£ºDC 12V¡«17V; Audio Output: Free Standing 0¡«400mV Mixed Style 0¡«300mV Emitter Parameter: Oscillation: quartz crystal oscillation; Power Supply: DC 9V; Frequency Range: VHF 200MHz¡«270MHz; Microphone Power Consumption: 30mA; Frequency Stability: ¡À0.001%; Carrier Frequency: VHF 190MHz¡«270MHz; Maximum Frequency Deviation: ¡À50KHz; Frequency Stability Degree: ¡À25KHz; Modulation Mode: FM; S/N Ratio: >105dB; ACI Ratio: >80dB; T.H.D: <0.5%1KHz; DR Range: ¡Ý100dB; Sensitivity: 1.2/UV S/N=12dB; Type: condenser; Power Supply: DC 12V¡«17V; Polarity Mode: sole directivity; Frequency Response: 40Hz¡«20KHz; Microphone Sensitivity: -47¡À3dB1KHz

The Conference Mainframe: V500 The system mainframe develops and designs with the combination of digit circuit and artificial circuit; the 2U case has a menu with LCD (flexible choice of both English and Chinese display), which is more direct and humanized. The Chairman Unit: V500C This base of the unit is made with zinc-hafnium alloy. The whole craft is neat and professional. The design of base and microphone tube adopts separable type. The audio beam condenser microphone is used to realize picking up of the high-quality voice. The chairman unit JM-621 has the priority of voicing. When the mainframe is set in the automatic mode, the microphone will work automatically once you speak; the microphone has a red-halo indicator. The Representative Unit: V500D This base of the unit is made with zinc-hafnium alloy. The whole craft is neat and professional. The design of base and microphone tube adopts separable type. The audio beam condenser microphone is used to realize picking up of the high-quality voice. When the mainframe is set in the automatic mode, the microphone will work automatically once you speak, the microphone has a red-halo indicator. Conference Camera: DS770 Specification Parameter: The Conference Mainframe: V500 This system has a set of image tracking functions which are very convenient, such as video tracking and squeal restricting; the system unit can check automatically, and the voicing mode set is created, such as FIFO mode, FILO mode, voice restrict mode, automatic mode, and voice application mode. Coordinated with a video switcher, the system can connect 6 cameras and can accept camera protocols of PALCO, P/D, SONY, and SAMSUNG, as well as customize various brands ¡¯camera protocols. In addition, there is auxiliary input of voice frequency. Four ways of output, each to 24 units, can connect at most 96 units. The mainframe can sustain one chairman unit, with RS-232C output port that can connect with the center control. The Chairman Unit: V500C/ The Representative Unit: V500D Frequency Response: 100-10KHz Sensitivity: £­50dB/Pa SNR: 70dB Conference Camera: DS770 Imaging Device: SONY 1/4 inch CCD Effective Pixels: 752(horizontal) ¡Á 582(vertical), Signal System: PAL/NTSC; Horizontal Resolution: 550 wire, Synchronizing System: internal/external; Shot: 8x zoom, F=4.1mm(wide) to 73.8mm(TV), F1.4 to F3.0; Horizontal View Angle: 48 degree (wide-angle end) to 2.8 degree (far end)

Parameter Specification: Imaging Device: SONY 1/4 inch CCD; Effective Pixels: 752(horizontal) ¡Á 582(vertical), Signal System: PAL/NTSC; Horizontal Resolution: 550 wire, Synchronizing System: internal/external; Shot: 8x zoom, F=4.1 mm (wide) to 73.8 mm (TV), F1.4 to F3.0; Horizontal View Angle: 48 degree (wide-angle end) to 2.8 degree (far end)

Functional Characteristics: 1.Tthis product is designed as infrared automatic frequency-modulation. 2.The information channel can modulate frequency of multichannel wireless microphones. This product adopts PLL phase locking techniques of UHF frequency band with less noise and disturbance. Any similar system cannot compare with the perfect noise resistance of it. Metal Material Standard Case: 1. PLL phase locking the frequency of oscillating circuit 2. 300 frequency points of tuning are selective 3. Pilotone locking dual mute 4. infrared frequency-modulation Specification Parameter: Carrier Frequency: 900MHz Frequency Stability: ¡À0.001% Max.eviation Range: ¡À50KHz Modulation Mode£ºFM S/N Ratio£º>105dB T.H.D:<0.5%@1KHz Sensitivity£º1.2/UV @S/N=12dB Power Supply: DC 12V¡«17V Audio Output: Free Standing 0¡«400mV Mixed Style 0¡«300mV Shoot Machine Parameter: Power Supply: DC 4.5V £¨1.5V AA*2£©

Functional Characteristics: 1. This product is designed as infrared automatic frequency-modulation. 2. The information channel can modulate frequency of multichannel wireless microphones. This product adopts PLL phase locking techniques of UHF frequency band with less noise and disturbance. Any similar system cannot compare with the perfect noise resistance of it. Metal Material Standard Case: 1. PLL phase locking the frequency of oscillating circuit 2. 300 frequency points of tuning are selective 3. Pilotone locking dual mute 4. infrared frequency-modulation Specification Parameter: Carrier Frequency: 900MHz Frequency Stability: ¡À0.001% Max. eviation Range: ¡À50KHz; Modulation Mode: FM S/N Ratio: >105dB; T.H.D:<0.5%1KHz Sensitivity: 1.2/UV S/N=12dB; Power Supply: DC 12V¡«17V Audio Output: Free Standing 0¡«400mV Mixed Style 0¡«300mV Shoot Machine Parameter: Power Supply: DC 4.5V £¨1.5V AA*2£©

Functional Characteristics: Conference Mainframe: V400 The mainframe unit is the heart of the whole meeting system, which is the power supply for the meeting system; Standard configuration can directly connect 50 microphones; The restricted function of microphones can allow you to select 3 to 6 representatives to voice simultaneously; Two sets of audio signal layouts can connect various power amplifiers; By adding and extending mainframes, the system can be enlarged to 150 seats; Connected to the tape recorder, the meeting system can systemize the meeting and take meeting minutes, as well as keep the meeting record on file. The Chairman Unit: V400C Audio beam condenser microphone is built in to realize pick up the high-quality voice; The Chairman unit has the priority switch of voicing, which allows the chairman to control the meeting order by blanking the microphones of representatives; The microphone is equipped with red-halo active indicator. The Representative Unit: V400D Audio beam condenser microphone is built in to realize pick up the high-quality voice; The microphone is equipped with red-halo active indicator; when the microphone is on, the red-halo will shine, which can be seen by other representatives. And the front panel also has an indicator of the same function. Specification Parameter: The Conference Mainframe: V400 Mainframe Power Supply: AC220V/50Hz Current Loss: 450mA Microphone Sensitivity: -55dB Frequency Response: 100Hz-13.5kHz SNR: 70dB Weight: 3.8KG Color: Black It can be installed into a 19-inches standard equipment cabinet. The Chairman Unit: V400C/ The Representative Unit: V400D Power Supply: DC24V Current Loss: 45mA SNR: 70dB Sensitivity: -50dB/Pa Microphone Current Sensing: -45dB¡À5dB Frequency Response: 100Hz-10KHz Color: Black Outside Dimensions£¨L¡ÁW¡ÁH£©:151¡Á123¡Á42mm Microphone Tube: 400mm

Functional Characteristics: V800 conference system composition V800M mainframe unit V800C chairman unit V800D representative unit V800S vote software The Conference Mainframe: V800 The system mainframe develops and designs with the combination of digit circuit and artificial circuit; the menu has a set of liquid crystal display, (flexible choice of both English and Chinese display) which is more direct and humanized; it is equipped with the functions of sign-in, vote, discussion, and image track; the system unit can check automatically, and the voicing mode set is created, such as FIFO mode and voice restrict mode. In addition, there is auxiliary input of voice frequency. Four ways of output can support at most 250 units. The mainframe can sustain more than one chairman unit, which can accept camera protocols of PALCO, P/D, SONY, and SAMSUNG, as well as customize various brands¡¯ camera protocols. The voicing mode is of diversity: restrict mode, chairman mode, FIFO mode and so on. It can set up auto off and timing voice when the microphone is not voicing; and it has the function of signing in with IC card. It also has the vote function of approving, objecting, and nonvoting, and can be connected directly with 4 cameras. The video signal is added with high-speed amplification modules to ensure images not to distort in remote transmission. Equipped with RS-232 port, the mainframe can be connected to the computer and carry out setting operation.

Functional Characteristics: Summit-conference microphone with zinc alloy base; Actively control squealing and mobile disturbance resistance; Long distance of voice test; clear tone quality Specification Parameter: Sound head: condenser; directional property: cardioid direction Frequency Response: 40Hz-16KHz; Sensitivity: -40dB±2dB Output Impedance: 200Ω; Power Supply: ：DC48V The best audition distance: 20CM Accessories: one windshield; one professional audio cable