AirShare June 1994 Radio AirShareTM Radio Module General Description The AirShare Radio Module provides an easy-to-use point- Module to-point serial RF wireless data link creating a new standard for cordless local area systems (CLAS) Pocket-sized AirShare modules connect to any standard RS232 serial port and are ideal for an array of mobile personal data com- munications applications Using FM radio technology AirShare can communicate through most walls and floors offering a clear advantage over IR (infrared) line-of-sight so- lutions AirShare offers a convenient wireless alternative to TL F 12037­1 free mobile workers from the restrictions of cabled connec- Serial cable not shown tions The AirShare modules offer cost-effective short-range Y Serial port communications speed operation (0 3 kbps wireless communications especially useful for remote PC to 115 kbps) file printer and peripheral access as well as other consum- Y Typical range of 30-feet in semi-open office er diagnostic and monitoring applications Many software environment packages that access a serial port or use a modem can Y Three user-selectable full-duplex radio channels instantly take advantage of the AirShare wireless link for Y Multiple power options battery pack mouse port cable connectivity AC adapter Y Self-contained with integral antenna Features Y LED status indicators Y Wireless RF technology works through most walls and Y Non-licensed operation under FCC Part 15 249 floors Y Scalable to various form factors Y Portable and lightweight (3 oz alone 5 oz with battery) Y Protocol independent Y Cost-effective PC-to-PC data connectivity Y Can augment existing wired infrastructure Y Provides RS232-to-RS232 connectivity Y Easy installation and operation Y Less than 0 5W typical power consumption Y Serial port option wide PC platform support System Diagram (Typical Configuration) TL F 12037­2 AirShareTM is a trademark of National Semiconductor Corporation C1995 National Semiconductor Corporation TL F 12037 RRD-B30M105 Printed in U S A