2.4G Wireless Microphone for Teachers ST-01 /wireless headset microphone-SINGDEN
The 2.4G wireless micros for teachers developed specifically for the education industry, 2.4G wireless transmission technology. Using the ID code of encrypted digital transmission technology, modulation/demodulation process using the full digital. Perfect exterior design, humane ways to wear, good acoustic sound transmission, with a clear voice, strong anti-interference, versatility; completely solve the traditional wireless micro channeling frequency interference. The patented neck wear way, the complete liberation teacher's hands, 50 g weight, convenient to wear for a long time, intelligent power switch, avoid complicated operations, a unique program designed to completely solve the teacher forgets to turn off the micro resulting string sound, sound transmission problems.
Product Features:
1. Small size and light weight: only 50g include battery. Convenient to carry, both clean and hygienic and does not require special management. This is the most comfortable teacher micro system in the market now. Even if the speakers standing closed to speakers 1M, no any squeaking;
2. Environmental protection: ultra-low transmitting power, less than 1% electromagnetic radiation of the tele. A veritable "green wireless micros”. Rechargeable lithium battery, to avoid the disposable dry battery damage to environment.
Product performance:
1. anti-jamming performance: professional ID code encryption transmission technology, unique ID code for each receiver, ID code up to a million, solves the traditional wireless micro frequency interference completely. With automatically mute function, users do not speak, or in a weak signal status receiver completely mute.
2. Compatibility: the micro can be use in all classrooms. Micro can search frequency automatically, users simply to complete synchronizes frequency with receiver in 2 meters by 1 second. Each teacher has a micro, Convenient to carry, both clean and hygienic and does not require special management.
3. Big batteries capacity: working time more than 6 hours, Built-in with low-voltage alarm, charging indicator and shutdown automatically the charge when fully charged.
Receiver ST-01R
Frequency range::2.4~2.483GHz
Frequency response:50Hz~18KHz
Modulation system:DSSS
Linking: ID code, automatic connection lock
Data transmission: Two-way 2.4G shortwave frequency hopping
Sensitivity:-82dBm(1%BER)
SNR: ≥110dB
THD:≤0.5%
Working distance:≤20m
Output:unequilibrium
Temperature Range:-30-50°C
Power:DC18V/500mA
ST-01T Headset Micro
Frequency range:2.4-2.483GHz
Frequency response:50Hz-16KHz
Modulation system:DSSS
Transmitted power: 2.5mW
Connect: ID code, automatic connection lock
Data transmission: Two-way, 2.4G shortwave frequency hopping
Connection time: <5 seconds
Sensitivity:-82dBm(1%BER)
SNR: ≥80dB
Working current: 70mA
Working time: 6 hours
Power supply mode: 3.7V polymer lithium-ion battery
Battery capacity: 500mAH
Working distance:≤20m
Temperature Range:-30-50°C
Weight: 50g
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