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Wireless Microphone System - WR-221S

Product Name: 1 CH Compact Wireless Microphone (WR-221S)


Description:
Obtains approval FCC from USA, and CE from EU of twenty-five countries. There are more than 200 frequency bands allowed to be used, and no interference will be happened . WR-221S is suitable for public addressing in class, bus...etc.


Character:

  1. Manufactured by automatic SMT production line and SMD device with excellent quality.
  2. Patent circuit design and level controlled squelch.
  3. With POP noise eliminator, which protects the speakers from damage when turning switch on/off.
  4. The hand-held microphone is standard equipment. There is the high sensitive lapel clip-on microphone could be chosen, which performs the best audio result; even it is 30cm far from the mouth.
  5. Quartz locked oscillation ensures no draft.
  6. It is convenience for singing in vehicle, setting a home-theater, and briefing in school or company.

Specifications:

>Frequency range: VHF 160-270Mhz

>Power : 110V/220V AC, 15V-18V DC

>Dimension : 140mm(W) x 162mm(D) x 35mm(H)

> Weight : 480g

Receiver

Transmitter

Item

Item

clip-On

Hand-held

Modulation

FM

RF power

10mW

10mW

Sensitivity

<10 dBuV

Stability

+/- 0.005%

(quartz locked)

+/- 0.005%

(quartz locked)

Oscillation

Quartz locked

Deviation

+/- 20K Hz

+/- 20K Hz

Squelch

Level control

Spurious

Emission

40dBm

(Below carrier level)

40dBm

(Below carrier level)

T.H.D.

0.1% below

Battery

9V Alkaline x 1

(8 hours)

AA 1.5V x 2

(16 hours)

Middle freq.

10.7MHz

Current

<30mA

<40mA