125 khz rfid tag As Brian mentioned, range of 125KHz RFID is limited to about 10 to 12 inches, while the range of 13.56MHz RFID is approximately 3 feet. If you need ranges greater than 3 feet you'll need to look at 433MHz VHF RFID or 915MHz UHF EPC RFID.
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This basic RFID tag works in the 125kHz RF range and comes with a unique 40-bit ID. It is not reprogrammable. This blank, smooth, mildly flexible RFID tag is ready for your logo . 1,841. differances between 125khz rfid and 13.56mhz rfid. Hi. 1- You can send more data with more speed by 13.56 MHZ tag. 2- Antenna of 13.56 MHZ reader is smaller than 125KHZ. 3- 125 khz is better for the place which is near metal. . However 125khz tag are going to be vanished and discontinued. 9,037. long range 125khz. For that kind of range, you would be much better off using 900 MHz RFID. A design example I have frequently described is in the attached powerpoint pdf. Note the broad band dipole design is one that I think is new and unusual. The presentation is centered around Sonnet, but most any planar EM tool can be used.
As Brian mentioned, range of 125KHz RFID is limited to about 10 to 12 inches, while the range of 13.56MHz RFID is approximately 3 feet. If you need ranges greater than 3 feet you'll need to look at 433MHz VHF RFID or 915MHz UHF EPC RFID. 300,922. tuning 125 khz rfid. Yes, the frequency is generated from on the reader chip, but the coild forms a resonant circuit with a capacitor that is tuned to 125 kHz. With 5 m cable, you add at least 500 - 600 pF that detunes the circuit.
Location. Minneapolis, Minnesota, USA. Activity points. 116,648. 125 kHz has become a frequency often used for RFID. Ordinarily a long wire suspended outdoors is recommended to pick up radio broadcasts at a distance. If you're interested in RFID system, the link below relates to the same question as yours. https://electronics.stackexchange.c . Hello, I.m designing a rfid sytem and now I´m designing the reader`s antenna. I`m using a sokymat unique tag for 125 khz. Newbie level 1. I 'm developping an RFID REader working at 125 khz,The RFID reader must read an TAG (Transponder) From ALLFLEX (They developp Transponder for animals), the distance between TAG and reader should be 70~100cm. But I think the problem will be on the power boost of the RFID Reader.
The "TAG" had a stamped inductor with a single diode on it placed such that the inductor formed 2 tuned tank circuits. One tuned to the mid range of the 2 transmitters and a second tuned for the sum frequencies. They have a receiver set for the sum frequency and when a "tag" comes into the field it sees the 1khz tone and sets off the alarm. A basic RFID system uses a common coil for send and receive. In return, the send signal will be present at the receiver without attenuation. Because all passive low frequency RFID is essentially load modulation, carrier noise is at risk to squelch low level tag signal. Search titles and first posts only. Search titles only. By: 1,841. differances between 125khz rfid and 13.56mhz rfid. Hi. 1- You can send more data with more speed by 13.56 MHZ tag. 2- Antenna of 13.56 MHZ reader is smaller than 125KHZ. 3- 125 khz is better for the place which is near metal. . However 125khz tag are going to be vanished and discontinued.
9,037. long range 125khz. For that kind of range, you would be much better off using 900 MHz RFID. A design example I have frequently described is in the attached powerpoint pdf. Note the broad band dipole design is one that I think is new and unusual. The presentation is centered around Sonnet, but most any planar EM tool can be used. As Brian mentioned, range of 125KHz RFID is limited to about 10 to 12 inches, while the range of 13.56MHz RFID is approximately 3 feet. If you need ranges greater than 3 feet you'll need to look at 433MHz VHF RFID or 915MHz UHF EPC RFID. 300,922. tuning 125 khz rfid. Yes, the frequency is generated from on the reader chip, but the coild forms a resonant circuit with a capacitor that is tuned to 125 kHz. With 5 m cable, you add at least 500 - 600 pF that detunes the circuit. Location. Minneapolis, Minnesota, USA. Activity points. 116,648. 125 kHz has become a frequency often used for RFID. Ordinarily a long wire suspended outdoors is recommended to pick up radio broadcasts at a distance. If you're interested in RFID system, the link below relates to the same question as yours. https://electronics.stackexchange.c .
Hello, I.m designing a rfid sytem and now I´m designing the reader`s antenna. I`m using a sokymat unique tag for 125 khz. Newbie level 1. I 'm developping an RFID REader working at 125 khz,The RFID reader must read an TAG (Transponder) From ALLFLEX (They developp Transponder for animals), the distance between TAG and reader should be 70~100cm. But I think the problem will be on the power boost of the RFID Reader. The "TAG" had a stamped inductor with a single diode on it placed such that the inductor formed 2 tuned tank circuits. One tuned to the mid range of the 2 transmitters and a second tuned for the sum frequencies. They have a receiver set for the sum frequency and when a "tag" comes into the field it sees the 1khz tone and sets off the alarm.
A basic RFID system uses a common coil for send and receive. In return, the send signal will be present at the receiver without attenuation. Because all passive low frequency RFID is essentially load modulation, carrier noise is at risk to squelch low level tag signal.
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