Jan 18, 2003 #1 N napong Junior Member level 3 Joined Jan 6, 2002 Messages 28 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Activity points 124 Did anyone know RFID product that using 27MHz ISM band?
Jan 18, 2003 #2 R Rayengine Full Member level 5 Joined May 18, 2001 Messages 287 Helped 3 Reputation 6 Reaction score 3 Trophy points 1,298 Location Hong Kong Activity points 1,737 What ?? 27MHz for RFID? The antenna design usually a long helical antenna, how can it put to small device like RFID application!
What ?? 27MHz for RFID? The antenna design usually a long helical antenna, how can it put to small device like RFID application!
Jan 18, 2003 #3 N napong Junior Member level 3 Joined Jan 6, 2002 Messages 28 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Activity points 124 I means RFID products like MicroChip, Atmel, HiTag. But all of above use 13.56MHz . FYI, hxxp://www.microchip.com/1010/pline/rfid/index.htm
I means RFID products like MicroChip, Atmel, HiTag. But all of above use 13.56MHz . FYI, hxxp://www.microchip.com/1010/pline/rfid/index.htm
Jan 19, 2003 #4 R Rayengine Full Member level 5 Joined May 18, 2001 Messages 287 Helped 3 Reputation 6 Reaction score 3 Trophy points 1,298 Location Hong Kong Activity points 1,737 Sorry for my misunderstanding! The RFID you can looking for is major for near field coupling (magnetic compoent majority), it is usual loop antenna like smart card. Try to download Smart Card Manufacturing from forum, you will get more idea.
Sorry for my misunderstanding! The RFID you can looking for is major for near field coupling (magnetic compoent majority), it is usual loop antenna like smart card. Try to download Smart Card Manufacturing from forum, you will get more idea.
Jan 20, 2003 #5 E egliu Member level 4 Joined Jan 15, 2003 Messages 71 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,286 Activity points 587 RFID @2.4 Ghz and 5.8 GHz I know something on RFID at higher frequency, how can i help you