The Product Specification of 

DSR-0733

The Product Specification of DSR -0733

Product Name: Bluetooth Remote Control

Model Name: DSR-0733

1. Introduction

1.1 Description

DSR-0733 contains 20 function buttons. The plastic shell is used as the outer frame of the product, which improves the appearance and feel of the product. The buttons are designed with metaldome, 2*AA battery as the power supply.

 

Otherwise, DSR-0733 has some special functions, such as voice recognition, air mouse, etc.

1.2 Application

  • TV

  • Set box

  • Smart projector

  • Smart conference system

  • TV stick

1.3 Product feature

  • IR control

  • Bluetooth key control

  • Bluetooth voice control

  • High-performance air mouse function

 
 

2. Appearance

3. Product specification

3.1 RF performance

Protocol

Performance

Bluetooth 4.1

  • Main IC: CC2541

  • Processor: ARM Cortex-M0

  • Transmission frequency: 2.402 - 2.4835GHz

  • TX power:  0dBm

  • Communication rate: 1Mbps

  • RX sensitivity: -94 dBm

  • Transmission distance: 50 meters (open area, key function)

  • Frequency : 38Khz±2%

  • IR power: middle:>60uW/cm2; 30°angle:>20uW/cm2

IR

3.2 Electronic performance

Item

Performance

Electronic

  • Working voltage: 2.2~3.6VDC

  • Average power consumption:<50uA (keep Bluetooth connected)

                                                        <20uA (sleep mode)

                                                        <2mA(key press or touch operate)

                                                        <10mA(Voice or air mouse function)

  • Working distance:  >10 meters (key function)

                                     >6 meters(voice function)

  • Built-in battery : 2*AA

  • Battery life : 2 years (Depends on the mode of operation)

  • Antenna: PCB on board

3.3 Basic performance

Performance

Item

Basis

  • Operation temperature: -10~50°C

  • Operation humidity: 5%~85%

  • Storage temperature: -20~60°C

  • Storage humidity: 5%~90%

TBD

Certification

4. Basic function

4.1 Pairing and unpairing

  • Press and hold the key in the battery shell to enter the pairing mode for 60s

4.2 Re-Connect

The remote control does not actively initiate disconnection and maintains a long connection. When there is pairing information and the Bluetooth connection is disconnected, press any key to send a re-connect broadcast.

4.3 Sleep and wake up

When there is no data interaction, the remote control remains connected and enters the dormant state, and the remote control does not actively enter the disconnected state. Press any key to wake up the remote control. If it is still connected, the Bluetooth code value of the corresponding button will be sent; if it has entered the Bluetooth connection disconnected state, it will enter the reconnect state.

5. Advanced function

5.1 Voice control

In the remote control, the main chip capture the voice data through a high-SNR microphone and noise reduction based on built in codec and then transmits it to the host via Bluetooth. The host decompresses the data and performs ASR (voice recognition).

 

Through this function, users can control TV/STB and other devices with sound.

Remark 1: The advantage of this product is high SNR MIC + internal Codec noise reduction to ensure the quality of voice data, and the correct rate of voice recognition reaches 98% (5 meters)


Remark 2: High-performance speech library SDK can be provided to facilitate some customized needs of customers.

5.2 Air mouse

Built-in high-precision 6-axis gyroscope, after the main chip collects raw sensor data, based on Invensense (TDK) robust Motion engine and firmware algorithms.

The air mouse function is turned on and off using humanized automatic judgment logic. When the remote control is detected to be shaken strongly, the air mouse function is automatically turned on, and the air mouse function is automatically turned off when the remote control is detected not to be shaken within 5 seconds.

Remark 1: 

The advantage of this product is 

1. Eliminate Hand shake

2. Directional compensation

3. Key effects are eliminated

 
 
 

Near-field

Handheld Remote Control

Far-field

Far-field Voice Control

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