2.4G Wireles HDCD Audio Transmiter Receiver Transmission Module Testing Board

2.4G Wireles HDCD Audio Transmiter Receiver Transmission Module Testing Board

Features:
Long transmission distance: can transmit stereo audio data within 180 meters open ground (open and no obstacle,testing results when receiver and transmittera are in static state)
Supports point to point,point to multipoint transmission modes,support an unlimited number receivers
Up to 30 optional frequency, easily avoid interference frequency: the product in the 2.4GHz ISM (industrial, scientific and medical) band, there are 30 optional frequency, which can meet the needs of multi frequency and frequency hopping.To avoid the influence of interference on sound quality,interface can occur in the 2.4GHz public frequency band. The product provides a frequency selection function, if trong noise occures in the process of working,that's is the current frequency point exist interference effect for output quality,customer can choose new the working frequency to maintain good performance.
- The shortest delay: wireless transmission audio delay is less than 0.5ms, the highest standards in the industry.
- The highest audio sampling rate is 64K, high fidelity HDCD sound effects: sampling frequency breaks through the former limitations, uses high quality 64K digital audio sampling rate.16bit sample quantization level,ensuring the quality of transmission from the source.Through special processing technology to ensure high fidelity effect of the received signal.
- 20Hz to 20KHz frequency response
Unique encryption transmission: crown marked the first in the industry with a unique audio encoding with unique encoding encryption transmission of audio data encryption, to ensure that our products are the transmission of audio, only our clients can receive.
- Ultra low power design:the transmitter terminal current can be adjusted directly within 40mA-110mA, the receiver current is less than 35mA,the current is less than 5Ma in standby state.
- Microphone / stereo audio compatible input mode, convenient for the company ripid manufactur wireless microphone / wireless audio compatible products,accelerate the product development cycle.
- Its own display interface module can provide data channel (equipped circuit supporting frequency display),convenient to facilitate high-grade middle-grade wireless audio products.
- The transmitting module and receiving module are only a thumb size, as one of the industry's most micro module,easy to develop various portable wireless audio applications
- Power output: 60MW audio output power can be provided to develop portable headset audio products customers,circuit cost-saving,speed up the development cycle.
- Provide a wide range of antenna support, including the built-in copper antenna / built-in high gain antenna / external antenna / external high gain antenna technical support, providing seamless support for customer product development
- Sampling rate:10k/44.1k/64k
- Microphone input gain option:0dB/20dB
- Channel selection mode:manual channel selecting /automatical channel selecting
- Power adjustment: provides 1mw~100mw multi gear software adjusting function, enabling customers to develop different applications
- Through FCC/CE rigorous testing:the module has passed the test of FCC/CE, and the serial version SOYO-WM24G02 has passed detection and confirmation of FCC/CE, and has obtained the corresponding certificate.Strict quality control and control, 100% qualified quality products.We will provide a test board before leaaving factory.Facilitate customers to the test module.
- A wide range of applications: The product fully consider ease of use and compatibility to provide a variety of audio and data interface, supporting for audio product matching with third party.The products can be directly connected with the audio input and output ports.
- Plug and play,flexible usag,It can match with speakers, headset, microphone manufacturers supporting existing products become wireless speakers, wireless headset, wireless microphone (MIC).

Transmitter module Parameter:
- Working voltage:3.6V~6V DC
- Working current:Max 120mA
- Working environment:-15~65
- Frequence range:2400~2483 MHz
- Modulation mode:GFSK
- Baud rate:2M bps
- Channel spacing:4MHz
- Frequency stability:+-156KHz
- Module actual working frequency range:2400~2483 MHz
- Module actual working channel:20CH
- Module actual channel spacing:4MHz
- Communicaton distance:100~150 meter (in open area,the testing uses 20dBm reansmitter power)
- Tranmitter power:0~2dBm (When you buying,you should know your product power)
- Communication sensitivity:-
- Input level:Max 1.0Vrms
- Input resistance:10k Ohm
- Input interface:Two input modes:microphone input;stereo audio input
- Stereo output level No.1:--
- Stereo output level No.2:-
- Output resistance:--
- Output input gain rate:1:1
- Frequency response range:20~20000Hz(+-1dB)
- Relay time:<0.5ms
- Sampling rate: optional 48kHz or 64kHz 16 bit
- Signal-to-noise ratio (SNR):95dB
- Distortion degree:0.8%@1kHz
-Dynamic range:90dB
- Left right channel isolation degree:70dB

Receiver module Parameter:
- Working voltage:3.6V~6V DC
- Working current:Max 35mA
- Working environment:-15~65
- Frequence range:2400~2483 MHz
- Modulation mode:--
- Baud rate:2M bps
- Channel spacing:4MHz
- Frequency stability:+-156KHz
- Module actual working frequency range:2400~2483 MHz
- Module actual working channel:20CH
- Module actual channel spacing:4MHz
- Communicaton distance:100~150 meter (in open area,the testing uses 20dBm reansmitter power)
- Tranmitter power:--
- Communication sensitivity:90dBm
- Input level:--
- Input resistance:--
- Input interface:--
- Stereo output level No.1:30mW RL=32ohm
- Stereo output level No.2:50mW RL=16ohm
- Output resistance:1k Ohm
- Output input gain rate:1:1
- Frequency response range:20~20000Hz(+-1dB)
- Relay time:<0.5ms
- Sampling rate: optional 48kHz or 64kHz 16 bit
- Signal-to-noise ratio (SNR):95dB
- Distortion degree:0.8%@1kHz
-Dynamic range:90dB
- Left right channel isolation degree:70dB

Specific parameters:
- 64K digital audio sampling rate, 16bit sample quantization level
- Low power consumption design
- GFSK digital modulation / demodulation mode
- 20Hz~20KHz frequency response
- 90dB audio dynamic range
- Use FEC coding to avoid receiving wrong audio data
Working in the 2.4GHz ISM frequency band, 20 work frequency points (can provide 125 selectable frequency point mode)
- -85dBm receiver sensitivity, 45dB adjacent channel rejection, 30dB image rejection
- The effective distance is longer than 180 meters (open and no obstacle,testing results when receiver and transmittera are in static state)
- Background noise: No
- Additional provide channel digital display, switching noise cancellation interface, transceiver and transmitter module code function.It is the most mature, the highest level technology in the industry.
- Module size:T(Transmitter):45×18mm;R(receiver):38×18mm
- Application:2.4GhZ digital wireless audio/Wireless headset/wireless speaker/wireless microphone module.

Note:In order to make convenience for your testing,if you need testing board,you should pay extra.

Package List:
- 1 x Transmitter module
- 1 x Receiver module
- 1 x Testing plate