Looking for UHF RFID Tag and reader solution - Page 1
Forum section: electronics / rf-microwave

author: jtronix
author_rank: Regular Contributor
timestamp: March 08, 2019, 11:08:58 am
content: Hi,I'm looking for UHF RFID reader and tag solution for vehicle tracking application. Any one know any better chip or module.Reader should achieve at least 10m of range and it should be reliable.I saw NXP UCODE solution but not sure how to get started with it?What about Tag, I just see now passive tag is also coming in high range but don't know brand and good source of purchase.Just need help to1) Design RFID reader2) Passive Tag selection guidance3) Active tag design help

author: digsys
author_rank: Unknown
timestamp: March 08, 2019, 12:05:37 pm
content: I've been using these for years -https://www.feig.de/en/products/identification/product/id-isclru1002/https://www.feig.de/en/products/identification/product/id-iscantu270270/They are considered the best, used to use TI - which are mainly LF - They have a huge range of tags for vehicles - stick-ons, windscreen, headlight etcGood to 20M in some cases. And can read several tags in the field at once.

author: jtronix
author_rank: Regular Contributor
timestamp: March 11, 2019, 06:15:37 am
content: Thanks for your suggestion.I got few UHF reader module but not sure how much range i can get.Murata PN: LXRFZZUAAA-027ST PN: ST25RU3993I'm little confuse about to have two solutionHF Reader (13.56 MHZ) with active Tagso can achieve required range OR to haveUHF Reader with passive tag.Can anyone suggest which would be better for my application?

author: digsys
author_rank: Unknown
timestamp: March 11, 2019, 09:51:38 am
content: Quote from: jtronixWell, all I can tell you is what I have had installed at an OZ port with 1.2 million container movements a year, for the last 20 yrs - (plus other installs)Coincidentally, we have just pulled it all out a few weeks ago .. new owners, new rules.It was a LF passive system, based on TI S2000, and was good for 2M at max 10Km/hr, but the vehicles had to slow down at security anyway.I have 20 sets FREE, if it if any use - in my other thread.Apart from that, I had both the HF active and UHF systems running as well, only 10 yrs app though.The UHF was good for ~20M at 60+Km/hr. One BIG advantage, over active is, NO power source required, and a HUGE range of tag types - windscreen, metal body,headlight !!, high impact etc etc I've used these on m/cycle race tracks as well, rarely had a miss.You should be able to achieve similar results.PS: Forgot a summary :-)If you need >100KM/hr, then active tags are your beast choice. If you have 1000s of vehicles and price is important, then go for passive

author: jtronix
author_rank: Regular Contributor
timestamp: March 11, 2019, 01:31:18 pm
content: Hi digsys,Do you know what is the rough cost of active and passive tag?While searching I got few RFID reader ICST25RU3993 from STpro - Low costcons - RF design comes in pictureINDY R2000 from IMPINJpro - just need to pun into your board (like GSM,GPS,WiFi module)cons - I think cost is high (not sure because don't have office price)LXRFZZUAAA-027 from MurataInformation not availableWhat you say about it?

author: digsys
author_rank: Unknown
timestamp: March 11, 2019, 10:36:13 pm
content: Quote from: jtronixThere is a huuuuge price difference between the 2 types - also MUCH bigger range in passives, and many more fitting options -These are a few of the ones we use - even have smaller ones. Prices depend on qty of course - examples1000+ of say the simplest passive - US$1 metallized windscreen passive - US$3-5 big-ass truck cylinder type - US$10-151000+ active - US$25-35 100+ - US$45-55These are ball-park figures, and depend on your country and supplier of course. It's should be pretty safe to source from chinese "copy" sellers, but you'd needto check. No idea of what is there, but I'm sure there'd be a few cheaper suppliers.

author: jtronix
author_rank: Regular Contributor
timestamp: March 12, 2019, 05:40:14 am
content: What about below modules.. any body has experience with itST25RU3993 from STpro - Low costcons - RF design comes in pictureINDY R2000 from IMPINJpro - just need to pun into your board (like GSM,GPS,WiFi module)cons - I think cost is high (not sure because don't have office price)LXRFZZUAAA-027 from MurataInformation not available

author: jtronix
author_rank: Regular Contributor
timestamp: March 14, 2019, 01:25:36 pm
content: I believeST25RU3993from ST going to best solution for UHF RFID reader.What other think about it?

author: digsys
author_rank: Unknown
timestamp: March 14, 2019, 10:45:18 pm
content: Here's what I think :-)All of the chipset solutions will work perfectly fine - but with 1 reservation ... it depends on how good you think you are designing all the RF parts yourself, from scratch.I gave up doing that years ago, as there are plenty of individual modules / sub-units / complete systems out there, all working as near optimal as possible.In some cases, I've tweaked a few things, added a filter, interfaces etc but that's about all. Saves me a sheetload of effort, especially in the UHF ranges.Also, the selection of antennae, Txd and Rxd is crucial, but easy to test. Just set up test areas, with ALL types of expected interference, and run the numbers.I found that going with a good local support agent was FAR more beneficial than trying to deal with manufacturers direct. In OZ, I usehttps://www.electrocom.com.auLuckily, for me, they are in the next block. Been dealing with them for 20-25yrs, and already have trusted direct technical contact with the manufacturers.As I say, IF you are intent on designing the whole thing yourself, the ONLY question is - how good do you think YOU are. The modules are ALL fine.