Supplier: Low voltage power cables, mid voltage power cables, control cables, instrumentation and telecommunication cables, optical fiber cables, mine low voltage power cables, mine mid voltage power cables, rail transit communication cables, railway rolling stock cables, cables for use in photovoltaic systems, fireproof cable, low voltage power cables for shipboard and offshore, mid voltage cables for shipboard and offshore, control cables for shipboard and offshore, instrumentation and telecommunication cables for shipboard and offshore compensating extension cables and compensating cables, rubber sheathed cable, charging post cable, connecting cables for equipment, towline cables, high temperature resistant cable,esp power cable, (electrical submersible pump power cable), mining detection cable, logging cable, submarine power cable
Features: 1. Widely used in classroom for classroom audio enhancement. 2. Ir code, easy to set up the link between the transmitter and receiver. 3. Hnad free and portable, neck pendant design. The voice does not drop out even the teacher facing the whiteboard. 4. Excellent noise filter, no cross talk, long distance transmit ability. 5. Support interactive talk when using two microphones. 6. Work under 2. 4g frequency, more stable and wide transmission. Application: Classroom, conference room Specification: Easymic r-e2 Dc power 7.5v Output current:100ma/160ma(working) Color:painting gray/black + red Weight:1.1kg Dimension standard 1/2u Frequency 2402~2480mh2(auto) Sensitivit y 82dbm(0.1%ber) Frequency response 50hz~20khz(3db) Snr:ú+90db Pattern :gfsk, bt=0.5gaussian Link:ir code Antenna:sma/tw Easymic t-e2 Working duration:í²6hrs Charging duration:ín4hrs Battery :3.7v/500ma, lithium battery Battery life ú+500times(full charged and full released) Working mode:ir code connection, auto frequency hopping Use mode:hand-set/neck-set/land-set Emission power:20mw Emission length:50m Frequency :2402~2480mh2(auto), ism Link:ir Sensitivity:82dbm(0.1%ber) Fr equency response:50hz~20khz(3db) Snr:ú+90db Pattern :qfsk, bt=0.5gaussian Dimension 23.8mm(w)x16mm(l)x93mm (h) Weight:28g(including battery)
Transmitter specifications Carrier wave frequency range:793.10~821.60MHz Channel:96 Oscillation mode: synthesized Frequency stability:í+10ppm Modulation mode:FM Transmiter power:10mW Frequency response:40~20000Hz T.H.D :
Mc-310 Specifications£º Frequency range: 730-960mhz Automatic transmitter setup channels: 200 Display model: lcd Oscillation mode: pll synthesized Frequency stability: ¡à10ppm Receive mode: superheterodyne Input sensitivity: -90dbm Audio response: 40hz¡«20khz T.H.D. At 1khz: ¡ü0.5% Signal to noise ratio: ¡ý110db Rf output: 10mw(50mw max) Modulation mode: fm Battery requirement: 2¡á1.5v aa size
Uhf wireless microphone/ wireless microphone/ wireless karaoke microphone Selling points: 1. Uhf 99 channels 2. Customerized uhf wireless microphone Solution 1: with wireless microphone Solution 2: with body pack transmitter and headset microphone / lapel microphone 3. Frequency: 670-690mhz, transmitting distance: 70-100m, transmitter battery 12 hour Model: bl-1003 mini uhf wireless microphone system Features: Receiver Power supply: ac100~240/45~60hz External dc power: 16~20v Power consumption: 5w S/n ratio: >90db; p/n ratio: >80db; f/n ratio: >80db Receiving sensitivity: 5dbu(sinad=20db) Transmitter Transmitter power: 10mw Modulation mode: fm Maximum deviation: ± 50khz High harmonics: more than 40db(with carrier) Battery voltage: aa 1.5v× 2/9v Battery life: 12 hour Power switch noise: provide with perfect switch noise deducted circuit Main function Frequency range: uhf 670-690mhzmhz Frequency stabilization: < ± 30ppm Dynamic range: >90db Total harmonic distortion: < 0.5% Frequency response: 40hz~20khz± 3db Audio outpout: separate type: 0~± 500mv Mix type: 0~± 300mv
Model: bl-1031 uhf dual-channel wireless microphone system Boly bl-1031 wireless microphone system delivers superior sound quality and professional features. It is designed for a wide range professional application with 200 selectable channels. For easy use with multiple systems, no confusing frequency groups. It can be placed next to speakers with no feedback or distortion. It is perfect for professional use at any events. Selling points: 1. Uhf 200 channels 2. Customerized uhf wireless microphone (decided by client) Solution 1: with wireless handheld microphone Solution 2: with body pack transmitter and headset microphone / lapel microphone 3. Frequency: 780-840mhz, transmitting distance: 120m, transmitter battery 8 hour 4. Adjustable transmitting range, from 20m to 120m. 5. Big backit lcd display 6. The handheld transmitter (microphone) have mute and lock function. Features: Uhf 670~840 mhz quartz control phase locked. 200 channels Hight-fidelity cartridge module. Super anti-jamming circuit design. Super-low background noise. High effciency batteries consumption design. Scope of application: ktv, school, hall, family, party.
Frequency response: Harmonics radiation:
Dual-channel design, two Handheld (or Lapel) wireless microphone can be used together without interference. High-precision quartz crystal locked frequency. Looking noise to solve the problem of noise interference which is hard for general wireless receiver to overcome. High sensitivity and high S/N ratio, long receiving distance, and never staccato, never wander. Built-in noise reduction compress-expand circuit. Excellent selectivity, multi-channel simultaneously, without mutual interference. Standard metal casing, avoid interference effectively. Most suitable for Studio,Karaoke,Broadcast etc. Operating distance is up to 50 meters in ideal environment and 30-40 meters in the complex environment. Product Features: VHF220-270MHz wave band Frequency Response: 60Hz-16KHz3dB SNR:>90dB frequency stability:0.005% Output power:0-400mV T.H.D
Built with human satisfaction in mind this is the best solution
