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Is there any RFID reader IC wherein I can select what protocols I want to read in a band ? Any kind of help would be useful.

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LF = looking for? –  JYelton Jan 15 '13 at 17:47
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@JYelton , Low Frequency. I.E. 125Khz. The RFIDs are categorized by LF(125Khz), HF(13.56Mhz), UHF(~900Mhz). Though you can take it as Looking For, cause that is what am doing. –  Dragunov Jan 15 '13 at 21:51
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We are using this module in one of our projects and so far i can really recommend it.

[EDIT]
I did not notice the low frequency requirement and the proposed reader is using 13.56MHz. But the same company has some 125kHz readers as well, those may have similar options to exclude specific transponder types. Depending on the requirements, it could also be an option to "filter" specific reader types in software as soon as a tag is detected. [/EDIT]

I am not sure if this is what you need, but you can configure the module to exclude specific transponder types from the transponder search.

Don’t search for ISO14443A transponders
Don’t search for ISO14443B transponders
Don’t search for PicoPass / ICLASS transponders
Don’t search for SRX transponders
Don’t search for ISO15693 transponders

FYI, the following transponder types are supported:

00 Mifare® Mini
01 Mifare® Classic 1K
02 Mifare® Classic 4K
03 Mifare® Plus S
04 Mifare® Plus X
05 Mifare® Ultralight / Ultralight C
06 Mifare® DESFire
0F Unknown ISO14443A transponder
10 I•Code SL2
11 I•Code SL2-S
12 Tag-it™ HF-I Plus Inlay
13 Tag-it™ HF-I Plus Chip
14 Tag-it™ HF-I Standard
15 Tag-it™ HF-I Pro
16 ST 24LR16 Dual Interface EEPROM
17 ST 24LR64 Dual Interface EEPROM
18 Fujitsu MB89R118
19 Fujitsu MB89R119
1F Unknown ISO15693 transponder
30 Picopass / ICLASS transponder
40 SRX transponder
80 ISO14443B transponder

Following my link, there is a PDF with technical specifications available, but you have to contact their support for the extensive technical handbook.

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But it doesn't support 125Khz LF i guess. Still I will look into it. But the only hurdle that I can see is, RFID Tag cost. Plus I need the range atleast a meter. –  Dragunov Jan 15 '13 at 16:36
    
Oh, i did not notice the "Low Frequency" prefix in the title. And as far as i know, the standards that my proposed reader supports can't transmit as far as 1m. However, the company has similar modules using 125kHZ. May its worth a closer look. –  Rev1.0 Jan 16 '13 at 7:30
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