VM-1200C rechargeable digital wireless microphone system 

UHF dual channel digital wireless microphone

Introduction

As a new generation of digital wireless microphone, using digital modulation and high performance audio ADC and DAC, with very low delay audio encoder, realize high fidelity audio transmission. Circuit characteristics with simple circuit and stable operation. UHF frequency coverage, audio carrier signal transmission stability of more than 60 meters range of visibility, encrypted transmission and decoding circuit, radio frequency interference can completely shield the outside. The product with high performance price ratio provides more selectivity for the users in the field of wireless audio transmission.

Main features

1, automatic intelligent frequency matching function, the receiver automatically tracking transmitter frequency.

2, using UHF frequency band, PLL phase locked circuit, stable characteristics, low harmonic radiation.

3, digital modulation, 32 bit encrypted word audio transmission.

4, antenna diversity reception mode, effectively reduce the communication frequency breaking phenomenon.

5. The circuit is simple in structure and stable in characteristics.

6. Maximum transmit power 13dBm. (depending on the region)

7, audio maximum input 2Vpp, audio maximum output 1Vpp.

8, dual antenna diversity, automatic antenna selection circuit.

9, 8 segment audio balanced audio processor.

10、 anti howling processing circuit.

11, very low latency digital audio circuit. (less than 3MS)

12、 audio AGC limiting processing circuit.

13, flat 50Hz-16KHz frequency response range.

Product parameter

VM-1200C charging receiver + transmitter

Receive channel      dual channel

RF carrier range       500-980MHz, depending on Region

Oscillation mode      PLL phase locked frequency synthesis

Modulation mode:     digital modulation

RF sensitivity:            6dB V, S/N>80dB

Working range:        30 meters from line distance. Note: the actual range depends on RF signal absorption, reflection and interference

Antenna processing:  dual antenna diversity, automatic antenna selection.

Sound processing:  ADC and DAC high performance audio module, built-in 8 segment equalizer, anti whistle processor

Integrated T.H.D.:       <0.5% @ 1KHz

Transmit bandwidth: 300KHz

Wireless handheld microphone

Oscillation mode:   PLL phase locked frequency synthesis

RF carrier range:    500-980MHz, depending on Region

Pickup gain:            fixed gain

Transmit power:     13dB

Current consumption:

Display mode:       LCD

Pickup module type:  dynamic cardioid sound head