Guangzhou Suntron electronics co. Ltd

Bldg A, Dinggang Innovation Park, No. 31 Maogang Ring Rd, Huangpu District, Guangzhou,Guangzhou,Guangdong,China

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Pencil Type Wireless Microphone



199 ~ 299 / Set ( Negotiable ) Get Latest Price


199 per Set

1 Set

craton box

7-15 days after payment received (lead time)

1000 Set per Month

T/T, L/C, Western Union, PayPal

conference system

Product Description

The type of wireless microphone system is designed for modern school,especially suitable for occasion of multi-classrooms(about 60)and several teachers.When each classroom provide one wireless receiver,any teacher with wireless microphone can teach in any classroom,it is available when starting up.The system is widely welcomed for its features of easy to use,convenient to carry,clear sound,environmental USB charger,prevent infection.
system features
1.advanced blue-tooth 2.4GHz digital Wireless automatic recognition technology of frequency   
A.wide range of auto frequency range:more than 1-30m(Stationary state without obstacle) multiple transmission modes of point to point and point to multiple-point,support to limitless quantity of receiving terminal.
C.easy to avoid disturb frequency:use blue-tooth ISM of 2.4GHz frequency range,is able to meet the need of multiple-frequency and frequency hopping;system will auto-select the new frequency point when it occurs strong disturb to avoid the disturb frequency.
D.rapid target frequency,available when starting up.
E.LCD on wireless receiver will show RF signal when successfully target frequency. F.It is available for any teacher with pencil type wireless microphone in any classroom with wireless receiver;
2.high sound quality
When successful target frequency,the working frequency is the same between receiver and pencil type wireless microphone,system will auto-transform to analog signal work which ensure the sound quality by original,to make sure the receive signal in hi-fi wide frequency response.avoid the fault of direct adoption of ISM of 2.4GHz(as:signal easy to receive by substance,easy to lose the line,easy to disturb by wireless LAN etc)
3.USB environmental charger interface
4.ultra low power consumption, more power saving
Dry battery working time is about 6-10 hours.NI-MH chargeable battery working time is 6-8 hours.
5.ultra lightweight pencil type design
Length of 155MM(includes USB charge interface 170MM),diameter14.77MM,weight of 52G.
6. gain optional
0dB for hand-held using,9dB used for clip or hanging in front of the chest
7.100 auto-select frequency channels without disturb
User can pre-set channels on LCD of receiver,pencil type wireless microphone will auto-select to target frequency when power on.
System index
target frequency2.4G
frequency range740-765MHz
adjust methodFM
adjustable range50MHz wideband
Frequency channels100
interval250 KHz
Frequency stabilitywithin ±0.005%
dynamic range90dB
Maximum deviation±45KHZ
Audio response80HZ-12KHz (±3dB)
comprehensive noise rate>85dB
comprehensive distortion≤0.5%
Working temperature-10℃~+40℃
Operation distance40 meter,auto-target frequency distance:3 meter(wide space)
Receiver index
receiver methodThe two frequency heterodyne
middle frequencythe first middle frequency110MHz,the second middle frequency:10.7MHz
Wireless interfaceBNC/50 ohm
sensitivity12 dBµV (80dBS/N)
sensitivity adjust range12-32 dBµV
Spurious suppression≥75dB
Maximum output intensity+10DBV
pencil type wireless microphone index
Target frequency2.4G
wireless patternadopts 1/4 wave length,built-in screw antenna,output power:high power 30mW
Spurious suppression-60dB
Power supply1 AAA dry battery or chargeable battery
battery working hoursdry batter:6-10 hours. NI-MH chargeable battery:68 hours
Charge methodMINI USB charging,able to charge by PC

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Guangzhou Suntron electronics co. Ltd

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Guangzhou Suntron electronics co. Ltd


Bldg A, Dinggang Innovation Park, No. 31 Maogang Ring Rd, Huangpu District, Guangzhou, Guangzhou, Guangdong, China,510799




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