San Jose, Calif. and Markham, Ontario, Canada WUSB (Wireless Universal Serial Bus) is catching on big time. Addressing that phenomena, module maker Artaflex, Inc. is rolling out WirelessUSB modules that impart wireless connectivity to a range of applications. These modules can free you from RF design, as well as compliance testing.
These modules can be used for home automation, medical applications, and industrial applications such as AMR (automatic meter reading), wireless telemetry, wireless sensors, and remote control.
Agency pre-certified Falcon Series modules enable drop-in wireless capabilities. The modules are certified with modular grants by the FCC (Federal Communications Commission), ETSI (European Telecommunications Standards Institute), and Industry Canada.
Up To 1-Mbit/s
Operating in the 2.4-GHz unlicensed ISM (industrial, scientific, medical) band, Falcon Series modules are based on Cypress Semiconductor Corp.'s WirelessUSB LP chips. The technology ensures low-power, while supporting data rates up to 1-Mbit/s, with an average latency spec below 2-ms. Each module includes a 4-MHz SPI (serial peripheral interface) port for interfacing to microcontrollers.
In operation, the modules use what's called ATS (Auto Transaction Sequencer). It provides automated support for transmission and reception of acknowledged data packets.
When transmitting a data packet, the ATS technique automatically starts a crystal oscillator and frequency synthesizer, enters Transmit mode, transmits the packet in a transmit buffer, and then automatically switches to Receive mode and waits for a handshake packet. It then automatically reverts to a Sleep mode or Idle mode when either an ACK packet is received, or a timeout period expires.
Range To A Kilometer
The modules also have a range between 30 meters (for print antenna devices) and 1-km. The latter distance spec is for devices equipped with a PA (power amplifier).
Artaflex offers four different modules. The AWP24S-122 is a WirelessUSB LP module with a printed circuit antenna. The AWS24S-122 is a WirelessUSB LP module with a miniature SMA coaxial connector, for use with an external antenna.
The AWP24U-000 is a WirelessUSB LP with a print antenna for Full Speed USB dongle applications. Finally, the AWA24S-122 with a print antenna is for WirelessUSB LP and PA module applications.
All four modules utilize Cypress's WirelessUSB radio system-on-a-chip devices. WirelessUSB LP features DSSS (direct sequence spread-spectrum) operation, providing robust immunity to interference from other emitters such as IEEE-802.11b/g, Bluetooth, cordless phones, and microwave ovens.
Price And Availability
The Falcon WirelessUSB LP module with print antenna and the Falcon WirelessUSB LP module with miniature SMA are sampling and are priced starting at about $5.95 each in 1,000 unit quantities. The USB dongle Falcon series module is expected to begin sampling soon, with the Falcon series PA module expected to sample later this year. Full production is scheduled for the fourth quarter.
Click here for a preliminary, but quite detailed, datasheet (in Adobe Acrobat .PDF format).
For more details contact Artaflex Inc., 215 Konrad Crescent Markham, ON L3R 8T9 Canada. Phone: 905-479-0148. Fax: 905-479-0149.
Artaflex, 905-479-0148, www.artaflexmodules.com