wireless headphones,aviation headsets and two way radio headsets manufacturer & exporter

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inductive loop

 

      
Product Brief

Inductive Loop is the main function of wireless communication systems-speaking .It is mainly built in seven major components: electromagnetic waves launchers and electromagnetic waves launchers AGC modules, high-sensitivity microphone and microphone AGC modules, wireless remote control receiver PTT control module, wired or wireless PTT, Butterfly button. The high sensitivity microphone and microphone AGC ensure the wireless earphone listen more clearly and communicate more smoothly. It can be start or end-speaking signal output work with manually wired PTT ,wires PTT and wireless modules PTT. In addition to, it could control volume with two way radio or other wireless dual-use radio transceiver, but also wireless PTT volume control button could do. Wirelesses PTT is small and carry easily. Inductive loop and two way radio or other wireless devices to send and receive dual-use is wired connections and usable by matching the designated cable connector or plugs

 
Inductive Loop With Wired PTT
 
Inductive Loop With Wireless PTT
 
Product Characteristic
★ Adopting to environmental friendly high-quality wire, structural tight and firmly more durable.
★ lanyard with a fixed butterfly button design, suitable for all kinds of complicated and ever-changing operating environment needs.
★ Multiple PTT design, use is more efficient, safer .
★ output signals in all directions, good sensing effect,  better sound quality.
 
Technical Data

Inductive Loop Technical Data Sheet

Item

Index

  Loop

Length(Signal in-out line)

120cm

Length(Loop to junction box)

70cm

Power supply

External power requested (3.3V…10V)

Input signal

3.5Vrms max

Color

Black

Microphone

Type

Omni directional electrets

Output impedance @1kHz

4.4kΩ

Frequencies response

100Hz…10kHz

Amplifier current drain

50μA

Sensitivity @1kHz（dB re1V/1PA)

-34+/-3dB

Supply voltage

1.5-10.0VDC

Temperature range(operating )

-10℃To+60℃

PTT

Switching cycles

＞100，000

Operating distance

45~90cm(operating beep)
 
Operating Method
⒈ The Inductive loop and wrieless dual-use radio transceiver device are connected through cable connector or plugs.  (The wireless dual-use radio transceiver devices please follow the instructions of the manufacturers provided to use)
2. Loop is around your neck.
⒊ wireless earphone are inserted into your ears.
1) No choice of wireless PTT users, please set the basic volume of wireless dual-use radio transceiver device half of the maximum .To open dual-use radio transceiver devices, adjust the volume of the dual-use radio transceiver devices to acceptable reception volume according to personal differences.
2) Selection of PTT wireless users, please set the basic volume of dual-use radio transceiver device half of the maximum .To open dual-use radio transceiver devices, adjust the volume control on wireless PTT devices to acceptable reception volume according to personal differences,.
⒋ Talkback:
1) Selection of wireless PTT users need to talk, please press button of the wireless PTT
2) No choices of wireless PTT users need to talk, need plug wired PTT and press the button , or press and hold the additional manual PTT button down on the module.
5, when the dual-use radio transceiver devices do not send signal to the outside, it is in standby or receiving state.
 
Warning
Pay attention to national security and accident prevention regulations on safety precautions before using this device.
⒈ Products throughout the series are possible for more than 85 db (db) reception volume. Based on security, after opening communication systems, adjust the volume control on wireless PTT devices to control the reception volume according to personal differences.
⒉ Don’t operate the electronic device without authorization of members of the cabin crew.
⒊ Stored under the conditions of clean, dry, air normal humidity.
 4.Don’t have any other separately explain, products can be used under conditions of temperature range:
-10 º C to 55 º (Fahrenheit 14 º to 131 º), when the store: at -40 º to 80 º (Fahrenheit -40 º to 176 º).
 5. Put products far away from the children and the person who are not familiar with operation.
  6. Don’t soak the equipment in the water.
 7. Don’t use any solvent to clean, such as alcohol. For special need may be to use a wet-clean cloth to clean the surface, but then after the site should be dry .
 
Maintenance
Regular inspection of the equipment, especially cables and connectors, check if there have broken, cracks and signs of wear and tear, otherwise need for maintenance and replacement of equipment, and other movements.
 
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