Dave Mapleston

1. Alien Technology Corporation Dave Mapleston

2. Power & Commands Data Tags-&-Readers • Alien Readers • Alien Antennas • Alien Tags 01010110 10101011

3. Four-Port Reader 866MHz ETSI EN 302 208-1

4. Application Layer The ePC-96 protocol L & K CRC

5. ETSI EN 302 208-1 Also 869.5 at 500mW • 2W ERP - 10 sub bands of 200 KHz • Look before leap

6. USA v Europe USA: • (2.4 W ERP) (4W EIRP) • Transmit • Frequency Hopping • 63 bands 400KHz wide • 26 MHz band Europe • (2W ERP) • Listen before talk • 10 bands 200KHz wide • Wave shaping • Lower data rates • Co channel existence 928 MHz 902 MHz 915 MHz 867.7 MHz 865.7 MHz 866 MHz

7. Regulations • Listen before talk Transmitter 2 miles away! (–96dB) Don’t go there! 200KHz 867MHz 865MHz

8. Regulations • Listen before talk 4 seconds TX then re-look for 0.1s Transmition from other Readers Don’t go there! 867MHz 200KHz 865MHz

9. Regulations • Listen before talk 4 seconds TX then re-look for 0.1s Transmition from other Readers Don’t go there! 867MHz 200KHz 865MHz

10. Chip Developments Lepton A • 128 Bits EEPROM • 40% improved sensitivity • Digital PLL for world market

11. Real Hands on RFID AcademyCambridge University Beyond the Basics

12. Reader Demonstration