TECOM A335W User Manual Download Page 2

1

 

Marketing Definition and Requirements 

This section shall contain consolidation of the process in product marketing. It is 
acceptable that spec can be a bit loose in this chapter but subsequent chapters leave no 
room for loose specs. 

1.1

 

General Description 

The product is a Bluetooth-enabled USB audio device intended to be used as an accessory 
for standard industry PCs. It is designed to work with BT headsets as long as they adhere to 
the Bluetooth 2.0+EDR specification supporting the headset Bluetooth profile than 
bi-directional audio streaming.

 

 
The product targets primarily the ingenuous consumer or first-time headset user who 
appreciates a hassle free truly PnP solution which operates instantly without requiring 
neither configuration nor any installation of software, driver etc.   

1.1.1

 

Market Problem 

Due to an increasing interest in convenient VoIP services on standard industry PCs, where 
headsets are a prerequisite, there is a growing demand for inexpensive, easy to install and 
easy to use cordless headsets solutions. 

1.1.2

 

Product Problem 

Originally BT headset intended to be used with Mobile phones supporting voice services 
only. Existing BT implementations on PCs consist of built-in BT components or external 
accessories, like USB dongles, with BT functions and additional BT SW. This PC BT 
implementation compared to built-in BT in telephone handsets is much more complex 
(normally supporting many more profiles), and more focused on data use instead of voice 
services, even if those solutions are capable supporting, e.g. headset or head-free profile. 

1.1.3

 

Technology Problem 

For BT support in a PC environment a BT Host protocol stack/SW needs to be operated on 
the PC. This software needs to be installed, managed and launched by the user on the PC 
before the headset can be paired and used for e.g. VoIP services. This kind of use is much 
more complex and challenging for the user compared to the BT telephone 
implementation/use case. 
 

1.2

 

Key Features, Benefits and USPs 

This section is informative. This is a list of new, essential and unique features which 
differentiates the product. 

 

Feature 

Benefit, explanation, comment 

Mono and Stereo capabilities on 
same hardware platform 

Core unit performs as a mono / voice solution 
(=Leopard).    Firmware is user upgradeable to 
additional stereo operation. In this state the 
product converts into a mono/voice plus stereo 
streaming device depending on BT HS 
capabilities (=Swan). 

Ease of use 

Leopard (and Swan) is a truly PnP solution not 
requiring any specific driver or installation of 
dedicated software for basic operation. Even 
though Leopard is state of the art in terms of 
MS Windows operating system (XP or higher) 
support with MS standard USB and audio 
drivers. 

Summary of Contents for A335W

Page 1: ...A335W USER MANUAL 東訊股份有限公司 Tecom Co Ltd 新竹市科學園區研發二路 23 號 23 R D Road 2 Science Based Industrial Park Hsin Chu Taiwan R O C ...

Page 2: ...gles with BT functions and additional BT SW This PC BT implementation compared to built in BT in telephone handsets is much more complex normally supporting many more profiles and more focused on data use instead of voice services even if those solutions are capable supporting e g headset or head free profile 1 1 3Technology Problem For BT support in a PC environment a BT Host protocol stack SW ne...

Page 3: ...ements This section is based on the marketing product definition sheet Details of how functions shall operate must be presented in chapter 3 For details please refer to chapter 3 functional requirements and 4 operational requirements Functional Physical Characteristics Connector USB Size App 70mm L x 18mm W x 8mm H Weight 10 g Mechanical features Button key Pairing button Surface treatment No pain...

Page 4: ... Next power up try to reconnect to the last connected device for 1 min Downloadable software Software firmware updates and upgrades possible via the USB port Performance characteristics Electrical RF RF Bluetoth class 1 device Power Management HS link management optimized maximum headset standby talk time Table 2 Characteristics Operational Environmental targets Operating temperature 10 60 Storage...

Page 5: ...2 1 Model name Product Bluetooth PnP Audio USB Class1 Dongle Leopard Product ID 261 251531R 2 2 Firmware Leopard FW release 0 08 2 3 Hardware 2 3 1 Block Diagram 2 3 2 PCB Version PN 613 022651R Ver A ...

Page 6: ...3 1 Physical Dimension and Component Placement With USB connector 51 mm x 14 05 mm W O USB connector 35 mm x 14 05 mm ...

Page 7: ......

Page 8: ... F F0 3MHz 43 40 dBm Δf1avg Maximum Modulation 165 140 Δ f1avg 175 kHz Δf2avg Minimum Modulation 148 115 kHz Δf2avg Δf1avg 0 9 0 80 Initial carrier frequency tolerance 15 75 kHz Drift Rate 15 20 kHz 50 μs Drift single slot packet 15 25 kHz Drift five slot packet 15 40 kHz 2nd Harmonic content 33 30 dBm 3rd Harmonic content 33 30 dBm Receiver Frequency Min Typ Max Bluetooth Spec Unit 2 402 GHz 85 8...

Page 9: ... CAUSE HARMFUL INTERFERENCE AND 2 THIS DEVICE MUST ACCEPT ANY INTERFERENCE RECEIVED INCLUDING INTERFERENCE THATMAY CAUSE UNDESIRED OPERATION NOTE THE MANUFACTURER IS NOT RESPONSIBLE FOR ANY RADIO OR TV INTERFERENCE CAUSED BY UNAUTHORIZED MODIFICATIONS TO THIS EQUIPMENT SUCH MODIFICATIONS COULD VOID THE USER S AUTHORITY TO OPERATE THE EQUIPMENT ...

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