J.I.Y V2 Professional wireless microphone VHF handheld wireless microphone FM transmitter system

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Here is a series of VHF wireless microphone.

Specifications:

Receiver Dimensions: 20x14X3.5CM

Power Supply: AC 110V~220V

Frequency VHF: 170MHz-270MHz 
sensitivity: 5dBum 
Frequency response: 40Hz-15kHz  (±3dB)
S/N ratio: >100db

Specification:

Transmitter

. Carrier frequency: VHF 170-270MHz

. Modulation mode: FM

. Transmitter power: 10mW

. Oscillation: quartz controlled fixed frequency

. Current consumption: <28mA

. Harmonic rdiation: <-50dBm

. Battery voltage: 1*9V battery or 2*1.5V AA battery,continuous using : 7hours

Receiver

. Carrier frequency: VHF 170-270MHz

. Modulation mode: FM

. Oscillation: quartz controlled fixed frequency

. With the digital LED display

. Frequency stabilization: < ±30ppm

. Dynamic range: >90db

. S/N ratio: >100dB

. Total harmonic distortion: <0.8%@1KHz

.  Frequency response: 40Hz-15kHz  (±3dB)

. Senstivity: 5dBuV

Packaging