Application — VoIP Wireless Headset

The WHS322 voice-over-IP (VoIP) wireless headset from Vishay RFWaves gives VoIP users the freedom to take calls anywhere and anytime in their homes or offices, without needing to be tethered to a desktop PC or notebook.

The WHS322 Reference Design includes both the earpiece and a USB dongle. The earpiece is a high-quality voice device, designed to fit comfortably over the ear. The dongle is a USB device, designed in a disk-on-key form.

Key Features:
High-quality voice - Based on a reliable RF digital link (high-quality voice over the air: 300 Hz to 3400 Hz) combined with high-quality base band signal processing
High operating range - Up to 6 m indoors (can be tripled with an additional power amplifier)
USB interface - The dongle connects to the computer through the USB port
Low cost - The Vishay RFWaves reference design offers a good cost/performance ratio
Long battery life - Thanks to the inherent power efficiency of the Vishay RFWaves transceiver, a superior power management design, and a robust software protocol, the projected battery life for the headset is relatively long
Multi-device coexistence - With its robust protocol, the Vishay RFWaves headset allows a number of Vishay RFWaves headsets to operate in the same coexist with 802.11b, Bluetooth®, and other 2.4-GHz networks
Miniaturized form factor - The headset is a state-of-the-art design, which in most cases can fit seamlessly into existing plastic molds

Special Features:
Simple installation and operation - plug-and-play USB device
Works with any VoIP software (such as Skype™ and MSN® Messenger®)