Specification
RF Modulation: GFSK (Gauss frequency Shift Keying)
Frequency band: UHF (584-608MHz & 576-599MHz)
Channels: 48
Frequency response: 60Hz-15KHz±3dB
Signal/Noise: 74dB SPL
Distortion: 0.8% (-60 dBV 1 KHZ input)
RF output level: 20 mW
Earphone output level: 32O,1 KHz,60mW output
Reception sensitivity: -30dB +/- 3dB / 0dB=1V/Pa, 1kHz
Audio input connector: 3.5mm mini jack
Operation range: 100M
Power requirements: 3.0V DC (Two LR03/AAA size batteries)
Consumption power: Transmitter: 3.3V/110 mA
Receiver: 3.3V/100 mA
Battery life: Transmitter: Approx. 8 hours
Receiver: Approx. 8 hours
one-way communication
Package Contents
Transmitter 2x
Receiver
Audio Cable
Lavalier Microphone
Hotshoe Adapter
Microphone Clip
Belt Clip
Suitcase

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Function
 Clear recording sound
 Compatiable with smartphones, DSLR cameras, Consumer  Camcorders, PCs etc.
 Light and compact for easy carrying
 Omnidirectional lavalier microphone
 Hard case included
 Standard camera shoe mount and clip included
 Up to 25m (82ft) operation range
 Power Supplied by two AA batterie (not included)
Specification
RF Modulation: GFSK (Gauss frequency Shift Keying)
 Frequency band: 2.4GHz (2405-2478MHz)
 Frequency response: 35Hz-14KHz±3dB
 Signal/Noise: 76dB or more
 Distortion: 0.1% or less (32O,1 KHz,65mW output)
 RF output level:2 mW
 Earphone output level: 32O,65mW
 Reception sensitivity: -85dB +/- 3dB / 0dB=1V/Pa, 1kHz
 Audio input connector: 3.5mm mini jack
 Package Contents
 1* BOYA BY-WM4 Transmitter and Receiver
 1* Lavalier/lapel microphone
 1* 3.5mm to TRS audio output cable
 1* 3.5mm to TRRS audio output cable
 1* Cold-shoe mount
 1*  Hard case
 1* User Guide
 2* Foam protector for lav mic

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Boya BY-MM1 Compatible with: Camera, Smartphone, Ipad, Laptop, Video Camera
Specification
Transducer: Electret Condenser
Polar pattern: Omni-directional
Frequency Range: 65Hz ~ 18KHz
Signal/Noise: 74dB SPL
Sensitivity: -30dB +/- 3dB / 0dB=1V/Pa, 1kH
Output Impedance: 1000 Ohm or less
Connector: 3.5mm (1/8”) 4-pole gold plug
Battery Type: LR44
Dimensions: Microphone: 18mmH x 8.3mmW x 8.3mmD
Cable: 6m
Weight: Microphone: 2.5g
Power Module: 18g
Features
- Clip-On Mic for Smartphones, DSLR, Camcorders, Audio recorders, PC      etc.
- Omni directional condenser microphone
- High-quality condenser is ideal for video use
- Low handling noise
-  Includes lapel clip, LR44 battery, foam windscreen, 1/4” adapter
Using the microphone
- For Smartphone
Switch off the microphone. Slide the ON/OFF up to OFF/Smartphone.
The power is shut down
- For DSLR, Camcorders, Audio recorders, PC ect
Switch on the microphone. Slide the ON/OFF up to ON.

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