型号 : WS-AUDIO24-0005-TX

2.4GHz 无线音频发射模块

2.4GHz无线音频模块是一个高度集成的数字核心模块。通过智能的意义，无线技术开发电话会议。它可以提供高质量的用户的无线音频。如I2S接口支持，USB嵌入式如I2C控制接口，低电压。2.4GHz无线音频模块射频集成电路等重点区块，提供多种接口，双发射器和接收方式，使高质量，无缝传输发射机，发送接收数字化的输入，这是同步处理数据的完整性和立体声。在此之后，数据调制和接收器的2.4GHz ISM band.In辐射，接收射频信号接收，解调和处理，以恢复发射信号，然后数字音频输出流。

Key Features

RF Features

• Output Power 0.5W
• Worldwide 2.4 GHz ISM band operation by 2406 MHz ~ 2472MHz.
• Up to 2 Mbps RF data rate
• GFSK modulation.
• Long distance > 30m (Line of sight)
• Broadcasting mode
• RF frequency hopping in 34 channels
• Embedded uP/MAC mode settings IA2E RF normal operation mode that support 15 hopping channel/Per Sequence. It is included 4 Sequence group/per system.
• According FHSS specification protocol.

Audio Quality and Interface

• Support Compressed audio
• Analog output: THD+N up to -70dB, SNR up to 85dB.
• Support I2S (Audio In/Out) and USB (Tx Audio Input) with 2 channels downstream.
• Support I2S downstream 32/44.1/48KHz at resolution of 16 bits (2 channels).
• IA2E wireless audio module that support in master mode for Tx and Rx audio interface.
• Control Channel (CCH) up to 2 kbps for downstream by I2C interface via wireless.
• USB 1.1 device controller, Supports LPCM and compressed format at 16-bit 2-channels at sampling frequency of 32, 44.1, and 48KHz downstream.

General Features

• Programmable audio latency 20ms/50ms(default: ~40ms)
• Integrated pipelined 8-bit CPU, with embedded 4K bytes program RAM, with embedded RFIC in IA2E audio processor.
• Serial 4K byte EEPROM for Boot Register Update.I2C interface support blank EEPROM code download, External I2C device read/write, and data.

Tx Charging Features (Option)

• Support Rechargeable “AAA” size Ni-MH battery for 900mAH to 1000mAH capacity by Tx module internal charging circuit and firmware control.

Applications

• Wireless Headphone
• Wireless HTiB
• Wireless Mini-Combo
• Wireless Outdoor Speaker
• Wireless Audio Sender

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