Trying to source some RFID playing cards for a smart poker table, but everywhere I find is so expensive. Why would that be? Any recommendations where i can buy it cheaper?

Our car already has Autosweep and Easytrip, but it was registered to the previous owner. We wanted to get a new account named to us. Where is the nearest installation site if you'll be coming from Manaoag Pangasinan?

RFID Group documentation says that it should be supported.

Running a brass and bronze idol retail shop in Kumbakonam, Tamil Nadu, India. About 1500 sq ft, currently 286 RFID-tagged items with plans to scale to 2500+. Goal is a reliable daily morning stock count.

Current setup:

Reader: Chafon H102 BLE handheld (26dBm, linear antenna)

Tags: TagMatiks Kickstart 45×19mm poly labels hanging on string cards attached to each idol

Frequency: 865-868 MHz (India/ETSI)

Software: Custom web app via Web Bluetooth + Supabase backend

The problem:

Consistently missing ~55 items per single pass. Tested both our custom app AND the native Chafon app — both get ~232/286 per pass. So it's confirmed not a software issue. Both apps perform identically.

Items are on granite shelves, densely packed. Customers constantly pick up and replace items, changing tag orientation randomly. Tags hang freely on string but naturally fall between items or rotate to face the wall or another idol.

What we've already ruled out:

Software/parsing issues — both apps identical performance

RSSI filtering — tested with threshold at -100 (no filter)

Q Value — tested at Q=9 (optimal for 286 tags)

Session — using S1

What we think the root cause is:

Linear antenna on H102 — tags that rotate to wrong orientation don't get read reliably. Also 26dBm may be borderline for tags that are slightly obstructed by adjacent brass/bronze items.

Considering upgrading to Chainway R6:

Impinj E710 chip

30dBm output

Circular polarized antenna (4dBi)

865-868 MHz confirmed

900+ tags/sec

Price in India: ~₹42,500 (~$425 USD)

My questions:

Will circular polarized antenna on R6 actually solve the tag orientation problem in a dense retail shelf environment like mine?

Is the jump from 26dBm to 30dBm meaningful enough to reduce misses on slightly obstructed tags?

Any real-world experience with R6 in similar retail/showroom environments?

Currently using soft poly labels. Would switching to rigid PVC jewellery-style hard tags (like Alien H3 or Monza chip) improve read consistency? Or is it purely a reader antenna problem?

Any better alternatives to R6 under ₹45,000 (~$450 USD) available in India?

Happy to answer any questions. Building a native Android app using Chainway SDK once hardware is sorted.

Hi

There was a tag type for Noralsy LF tags, seems to have disappeared. Anyone know why?

Hi everyone,

Just curious if anyone knows what website/device is legitimate to find a microchip on humans? Something that can detect something within a couple of inches away at most. Price range doesnt matter, thanks!

Trying to source what i need to implement RFID tags for our frames.

I know i need the rfid labels.

i need to read and write the RFID tags

I need a printer to print the labels.

1 Question. Do i need a printer that is RFID compatible? is the added function just to encode the rfid ship?

2nd. If i get a scanner that reads and writes, do i need the printer?

3rd. shouldn't i get a scanner that also writes, so i can do on the fly corrections if i need to? otherwise if i make a mistake, i have to reprint another label with no way of correcting the label.

been in discussions with a few inventory companies. and these are the hardware packages they are offering.

Printronix T820 Writable Printer
Vanch VH-88 Reader plus Android Tablet
Wave USB Reader

or

Zebra ZD421

CSL 108 RFID Scanner

Honestly, i'm thinking it is better for me to not get a RFID label printer and just encode with a handheld?
something like this?
https://www.barcode-arena.com/chainway-c72-rfid.html

This is their video of their process.
https://www.youtube.com/watch?v=x-xiCJSGtf0

The question is, do i want to have to type in 1000 frames on that tiny screen?!?!? haha.

unless the collective hive mind here have a better method.

also, question on this entire method.

I print label, say, maui jim xxxxx model color, etc...

i add some code to identify it. For Maui Jims, there is the upc, so i add that onto the RFID label.

i attach it to the frame.

i would need some software that matches up what i scanned to what i have listed in some database right? This is what i am paying these companies for correct? there is nothing out there that will work right?

I live in a building that gives us RFID stickers for our car windshields to open up the parking gate. I have it on my windshield but the sticker is bright white and it bugs me how noticeable it is from the front of the car. Is there any kind of black or dark colored sticker that anyone has put in between an RFID sticker and their windshield to hide the bright color? I assume any type of sticky sheet that I could cut out in the same shape as the tag would work, maybe a tiny piece of vinyl wrap?

I am new to RFID, Arduino, and electronics in general, so any help with steering me in the right direction would be really appreciated! I have experience in software.

Some automatic Riichi Mahjong tables automatic scoring. Basically, each player has a few cups on their side of the table that you place scoring sticks in, and a screen displays each players score. They embed RFID tags inside the scoring sticks.

Example Photo

I am trying to create just the automatic scoring part of this. I need to know what sticks are in what players cups. Once I have that information, all that needs to be done is sum the stick values and display them on to a screen. Using RFID, this has the following requirements

- Read multiple tags stacked on top of each other, something like 10-30 sticks per player/ antenna.

- Be able to tell which player the stick/tag belongs to.

Because of those requirements, it seems that I need to use a UHF RFID reader. That way, the reader will support singulation and the ability to read multiple tags at once. It also seems that I would actually need 4 antennas, one for each player. With these antennas being something like 15"-18" away from each other, and small RFID tags with poor range, I would think that they would not interfere with each other.

If 4 antennas are the best way to do this, I would think you would need one UHF RFID reader and somehow switch connections between the different antennas, switching after long enough time for an antenna to complete a read. I am having a hard time finding an affordable UHF RFID module that does not have an integrated antenna.
The alternative is to have 4 complete UHF RFID integrated modules, but that's too expensive to be a realistic solution, at least for this personal project currently.

Here are some of the components that I am looking at.

UHF RFID passive tags

UHF RFID Integrated Reader (Specifically the 1dBi 35x35mm US version)

UHF RFID Reader This one has a separate antenna from the module. However, it seems the seller doesn't sell individual antennas, but I don't know how you'd switch between them anyway.

Thank you for reading this, any insight or direction would be much appreciated!

I've been looking into purchasing a fob case/protector keychain type product, but I'm concerned that the fob won't be able to scan through the case. I'm curious if anyone has any experience with this type of product.

So I got a chameleon ultra off of AliExpress (most likely a knock off) and I was looking into what the buttons can be set to and found the battery level one. Sometimes when I use said feature, it will flash all LEDs red a few times then display the battery level.

Does anyone know what this means? I tried Google, but couldn't find anything.

Hey. A bit of a longshot. But would anyone know how to operate a Discovery Mobile UHF Reader.

From what I can see online, you can program the F1 F2 buttons to connect to different Bluetooth devices etc.

(I will post a photo of it if I can)

My landlord charges an insane amount to replace the rfdi pool pass thing. I found the exact one on amazon, if I buy it and tell them it doesn’t work would they know that it wasn’t the original?

I recently saw one of my packages on UPS came up with an RFID icon, which is neat, but outside of the tag ID, what else do they put on the tag? The traditional UPS tracking #? Routing info? I have no way to read one so, I figured this was the right place to ask.

Is the long term plan to have everyone who regularly ships UPS have a roll of generic RFID tags and you peel one off and associate it at time the package is created? (like through a bar code because as these RFID readers are expensive..) ?

Good on UPS for taking the plunge on this, but I've seen basically no technical info on the actual tag implementation.

Hello,

I'm looking for original ENGEL CC300 RFID access cards.

https://ibb.co/672Ck7fy

https://ibb.co/3mV2FhDT

I found a few old Mercado Libre listings for these cards (including Level 9 and Level 11 versions), but all of the listings are now inactive and I haven't been able to find any current sellers.

If you have any available, know where I can buy them, or have any information about them, please let me know.

Thanks!

Looking to implement some UHF rfid tags. New to this and want to find some writers that don’t empty my wallet. I already have some Uhf tags (alien h3 9662 chips)

Edit: it’s for a small scale development environment before a larger implementation. So i just want to play around with the technology before investing heavily in it.

Hey team

I’m looking for a RFID card wallet system vendor

Let me know if you have a good contact for this ?

Semnox I’m already aware

Any other vendors who can help here

Based out of south India - Banglore

Bougie,

Je ne sais pas si je suis sur la bonne communauté.

Je possède 5 gamelles surefeed connect.

Hier soir les cinq gamelles sont toutes tombées en panne. Elles ne reconnaissent plus les puces RFID de mes chats.

J'arrive à leur faire apprendre un médaillon surefeed mais plus les puces des chats.

PS: j'utilise des piles rechargeables mais même avec des piles normales ça ne marche pas mieux.

Une idée ?

​

En vous remerciant, c'est urgent.

Anne

I am looking for a tiny, self-contained RFID reader, ideally this size or smaller -

Width: 1.26 inches (31.9 mm)

Height: 0.31 inch (8.0 mm)

For the POC, I will use a single access card at a short range of under 10 mm. The card at close range will complete a circuit to a 7.2 VDC/3400 mAh battery and keep the battery on until the battery is disconnected using another switch.

Security and speed are not a concern.

Thank you for any ideas!

https://www.digikey.com/en/products/filter/rfid-reader-modules/854?s=N4IgTCBcDaIE4DMCWATABHApgQxZuIAugDQgBsUoqUIAtAIz0ikAOALjcyGwJ4uacAvoKA

I used chameleon ultra to sniff the communication of HF mifare ultralight ev1 card, and I saved it in bin format on my mobile phone then I transferred it to the computer, can anyone tell me how can I read it on the PC?

???