AJ505 High performance Bluetooth car kit module (PCM)

Feature

AJ505 is a Bluetooth car kit module integrated by CSR Bluetooth core 4 technology and OKI DSP for echo and noise canceller.
All processing is based on digital PCM manner to minimizing the noise issue and maximizing the signal to noise ratio.

Specification

• CSR BC4 Bluetooth 2.0+EDR with Headset and Headphone profile

• RF output power: up to +4dBM (Class 2)

• Rx sensitivity: -80 to -20 dBmTyp(Class 2)

• OKI DSP (echo and noise canceller)

• 3 keys operation

• 2 status indicate pin

• 8 steps volume control with mute control

• Bluetooth phone interface control: Pairing, connect, talk incoming call, etc.

• Programmable MCU for acoustic quality control and Key control

• Optional 2W speaker driver

• Compact Size: 40mm x 50mm

• Suitable for car kit application

• Power: DC 3.3V, 30mA-150mA

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UJ508 Digital Wireless Speech Transceiver

Feature

UJ508 isintegrated by CSR Bluetooth core 4 technology and OKI DSP for echo and noise canceller.
All processing is based on digital PCM manner to minimizing the noise issue and maximizing the signal to noise ratio.

Specification

• 2.4GHz GFSK moduation RF channel

• Distance: up to 100 meter

• Low power consumption ~20mA with 3.3V

• 3 keys operation

• 2 status indicate pin

• Optional 2W speaker driver

• Compact Size: 40mm x 50mm

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