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Conference System Microphone FM Wireless Microphone For Meeting Room
Feature
1. To adopt tech. of phase-locked loop (PLL) and CPU bus control management system.
2. Support to select frequency both manually and automatically to confirm channel; To control squelch by noise lock and tone code lock; Through these method to achieve stable signal.
3. With function of latest filter and anti-interference tech. to disparaging external bad signal and mobile phone signal.
4. Operating frequency is from 640Hz to 857MHz; Each receiver has 200 adjustable frequency band; Support 4 receivers to work simultaneously without interference.
5. Users operate the machine via fluent buttons, which is power saving and cost-effective; It’s built in high performance codec tech. for audio; To adopt output in type of canon and AV-3.0; Through these method to achieve higher sound quality.
6. It’s suitable for conference room, classroom, banquet room, etc.
Specifications
System Index | ||
Frequency Range |
640-690MHz/740-790MHz/ 807-857MHz |
|
Quantity of Channels |
600 |
|
Channel Separation |
50MHz |
|
Carrier Stability |
Within ± 0.005% |
|
Dynamic Range |
100dB |
|
Max. Frequency Drift |
± 45KHz |
|
Frequency Response |
80Hz-18KHz (± 2dB) |
|
S/N Ratio |
> 105dB |
|
Sensitivity |
-105 dB for 12 dB SINAD, typical |
|
Total harmonic distortion |
≤0.5% |
|
Max. Output intensity |
+10 dBV |
|
Effective Use Distance |
50m (Openness) |
|
Receiver Index | |
Display Method |
LCD |
Antenna Interface |
BNC/50 ohm |
Audio Output Level |
200 ohm (-13dBV), balanced |
600 ohm (-2dBV), unbalanced | |
Audio Output Impedance |
200 ohm, balanced; 600 ohm, 2 channel merge, unbalanced |
Balanced Output |
1-Ground, 2-Audio, 3-Audio |
Power |
DC12V --- 3A |
Working temperature |
-10 ℃ ~ + 40 ℃ |
Dimension |
41 * 420 * 180mm |
Weight |
3 Kg |
Microphone Index | |
Antenna |
Internal Helical Antenna |
Output Power |
High: 30mW; Low: 3mW |
Discrete suppression |
-60dB |
Power supply |
3 AA Battery or 3 ni-mh Rechargeable Battery |
Using Time |
>10 hours, when 30mw |
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