Need a smaller credential than a full-size RFID card?
Stock SKU. Custom tooling from 2,000 pcs.
Standard; rush possible on request.
Stock samples via DHL / FedEx.
Use this keyfob or transponder when the credential needs to stay on keys, in pockets, or with everyday access routines. Confirm reader compatibility, shell style, numbering, and branding before production planning starts.
What buyers usually confirm first
swipe →Spec Check
Reader compatibility, shell style, numbering, and branding choices usually decide the right keyfob build.
| Product Name | RFID Epoxy Keyfob |
| Body Material | UV-cured epoxy resin |
| Color Options | Crystal clear, amber, blue, green, red, frosted white |
| Dimensions | 30 mm round or 40 x 30 mm teardrop, 3 mm thick |
| Weight | 4-6 g |
| Operating Frequency | 125KHz (LF), 13.56MHz (HF) |
| LF Chip Options | EM4200, TK4100, T5577, Hitag2 |
| HF Chip Options | MIFARE Classic 1K/4K, Ultralight, DESFire EV1/EV2, NTAG213/215/216, ICODE SLIX |
| Read Range | 3-10 cm (LF/HF) |
| UV Stability | ASTM G154 tested, 2,000+ hour equivalent outdoor exposure |
| Engraving | Laser etched UID (8-digit decimal, 10-digit hex, barcode, QR) |
| Operating Temperature | -20 deg C to +70 deg C |
| MOQ | 500 pieces |
Shortlist Logic
These points usually matter when convenience, system match, and everyday durability all matter at once.
Use Cases
These are the access and membership workflows where a compact credential often beats a full-size card.
branded NFC keyfobs pre-loaded with sponsor URL, visible chip increases perceived gift value
transparent format celebrates the underlying technology for electronics-savvy audiences
educational aid for teaching RFID physics courses, with visible antenna coil illustrating the standing-wave principle
stock fob format for marketing agencies and brand activation campaigns
epoxy-sealed for light industrial exposure while keeping UID visually verifiable on inspection
reference hardware for RFID system integrators and firmware developers testing chip communication
Epoxy Keyfob vs Leather Keyfob — How To Choose
Both are premium keyfobs at 3-5× ABS cost, but target opposite brand personalities. Epoxy shows the chip through clear resin — modern, tech, SaaS / startup culture. Leather hides everything behind traditional luxury — hospitality, executive, automotive dealership. The brand voice determines the material.
Option A Clear dome, visible chip, modern
Best for
Option B Stitched leather, gold-stamp luxury
Best for
Quick decision tip — If the brand is tech / startup / modern (SaaS, conference, university), epoxy (Option A) at half the cost of leather speaks the right voice. If the brand is luxury / hospitality / executive (Marriott Luxury, Porsche, private banking), leather (Option B) is the expected premium material.
Yes — if you run promotional campaigns, tech conferences, hackerspace member programs, university tech demonstrations, or developer / OEM prototyping where the visible chip + antenna inside the transparent epoxy body increases perceived gift value 35-50% vs opaque plastic alternatives (Promotional Products Association International Wearables Report, 2023). The transparent body doubles as a visual trust signal: recipients can see the embedded electronics, communicating technical authenticity for tech-savvy audiences.
Pick a different material if you need lowest cost at non-promo deployments (use ABS), waterproof / pool exposure (use silicone), premium hospitality feel (use leather), 134°C autoclave + chemical resistance (use PPS), or wallet-fit slim 1.2 mm (use FR4). Pick epoxy when chip-visibility is part of the brand-activation strategy, transparent / amber / blue / green color tinting matches event branding, or laser-engraved UID with permanent white-etched serial visible through the body matters for audit-grade tracking.
Comparison across the 6 keyfob material options. Prices indicative at MOQ 5,000 pieces.
| Material | IP / temp range | Special property | Best fit | Unit price |
|---|---|---|---|---|
| The ABS keyfob | IP65, -20 to +60°C | Lowest cost + 9 stock colors | Apartment, office, fitness, parking, school | $0.45 – 0.85 |
| The silicone keyfob | IP68 (1.5 m), -40 to +200°C | Waterproof + autoclave + medical-grade | Waterpark, pool, hospital, marine, construction | $0.85 – 1.45 |
| The leather keyfob | Splash, -10 to +60°C | Premium tactile + gold / silver hot-stamp | Hotel-grade, corporate exec gift, luxury brand | $1.85 – 4.50 |
| The epoxy keyfob (this product) | IP66, -25 to +80°C | Transparent visible chip + UV-stable + laser white-mark | Tech promo, hackerspace, university, conference, developer | $0.95 – 1.65 |
| The PPS keyfob | IP68 + chemical, -40 to +200°C | Autoclave 134°C + acid / solvent / base | Chemical plant, industrial laundry, autoclave | $1.45 – 2.75 |
| The FR4 keyfob | IP67, -30 to +100°C | Slim 1.2 mm wallet-fit + UL94 V-0 flame retardant | Data center, defense, telecom, cold chain | $0.75 – 1.45 |
Verdict: epoxy wins exclusively on chip-visibility + tech-aesthetic for promotional / educational use cases. The transparent body is a brand asset for technical audiences (developers, hackerspaces, tech conferences) where the visible electronics communicate authentic engineering quality — opaque alternatives cannot match this signal.
Event-marketing teams issue clear epoxy NFC fobs as sponsor giveaways that double as event credentials: the visible chip and antenna give the fob a tech-aesthetic appeal that survives the conference and keeps the sponsor URL one tap away afterward.
Pre-encoded NDEF URLs with per-unit UID CSV delivery let sponsors attribute taps per attendee cohort without building custom infrastructure.
Verified compatibility across LF / HF chips, epoxy color tints, decoration methods, and target use cases.
| Category | Supported | Notes |
|---|---|---|
| LF chips (125KHz) | EM4200, TK4100, T5577, Hitag2 | For legacy access reader fleet compatibility |
| HF / NFC chips (13.56MHz) | NXP MIFARE Classic 1K / 4K, Plus EV2, Ultralight EV1 / C, DESFire EV1 / EV2 (2K / 4K), NTAG213 / 215 / 216, NTAG424 DNA, ICODE SLIX | NTAG213 default for tech promo NFC URL; NTAG424 DNA for cryptographic auth |
| Stock color tints | Crystal clear (most popular), amber, sapphire blue, emerald green, ruby red, frosted white | All maintain transparency — chip + antenna remain visible through body |
| Custom Pantone tinting | Brand-matched dye tints with maintained transparency | 2,000-piece minimum + 2-week color development |
| Stock dimensions | 30 mm round (most common) or 40 x 30 mm teardrop, 3 mm thickness | Custom dimensions on 5,000-piece MOQ + 3-week tooling |
| Laser engraving | White-etched mark visible through clear shell; permanent + tamper-evident | Sequential 8-digit decimal, 10-digit hex, barcode, QR code (up to 25 x 25 mm) |
| UID matching | Laser UID matches encoded chip UID for audit-grade traceability | CSV mapping file delivered with each shipment for CRM / access system enrollment |
| UV stability | ASTM G154 tested 2,000+ hour xenon-arc exposure equivalent to 2+ years outdoor use | Resists yellowing, scratches, surface degradation |
| Tech audience use cases | Developer conferences (AWS re:Invent, KubeCon, DockerCon, GitHub Universe), hackerspace memberships, university EE / CS courses, IoT / RFID training labs, OEM prototyping kits | Visible electronics communicate authentic engineering quality vs opaque plastic |
| Promotional / brand-activation | Tech conference sponsor giveaways, brand activation campaigns, NFC business cards for tech executives, university tech-day giveaways | Visible-chip fobs are kept and carried far more often than typical conference swag |
| Packaging | Individual poly-bag (default) or anti-static bag (cost-optimized) or gift-ready box (premium) | 500 pieces / carton at 2.5 kg for rapid air freight to event deployment timelines |
How much does the The epoxy keyfob cost at 5K pcs? Stock 30 mm round + crystal clear + NTAG213 + laser-engraved sequential UID: $1.10-1.45 per unit at MOQ 5,000. Volume brackets: MOQ 500 = $1.85-2.65; MOQ 5,000 = $1.10-1.45 (base); MOQ 25,000 = $0.85-1.15; MOQ 100,000+ = $0.65-0.95.
Color tint up-charge? Crystal clear (base): included. Stock colors (amber / blue / green / red / frosted white): no premium. Custom Pantone tinting: +$0.15-0.30 per unit + NRE $250-450.
Chip upgrade? NTAG213 (base, NFC URL): included. NTAG215 (504 bytes for richer payload): +$0.05-0.08. NTAG216 (888 bytes): +$0.10-0.15. NTAG424 DNA (cryptographic auth): +$0.45-0.65. MIFARE Classic 1K: +$0.15-0.28. DESFire EV2 2K: +$0.65-1.05. LF EM4200: -$0.05-0.10.
Engraving + decoration? Laser-engraved sequential UID (8-digit decimal): +$0.05-0.10. Laser barcode (Code 39 / 128): +$0.08-0.15. Laser QR code: +$0.10-0.18. Silkscreen logo on epoxy surface: +$0.10-0.20 single-color; +$0.18-0.32 multi-color.
What about NDEF URL pre-encoding for sponsor / brand campaigns? Factory NDEF URL encoding (sponsor / event landing URL) + CSV export with matching laser UID: +$0.005-0.012 per unit. Customer-specified per-fob unique URL: +$0.008-0.015.
How should I think about sponsor-program cost? Judge giveaways on effective cost per genuinely engaged recipient, not unit price: a cheap item that gets binned at the venue costs more per real engagement than a premium fob attendees keep and tap. Earned-media value and sponsor renewals are where the format usually justifies its premium — measure both against your own event series.
Transparent epoxy NFC formats occupy the brand-activation end of the credential market: the visible chip and antenna read as a tech object rather than an access pass, which is why marketing teams pick them for conference giveaways and product-launch campaigns. Functionally they are standard HF/NFC credentials; the premium is entirely in the presentation.
Each epoxy keyfob carries a laser-engraved unique identifier (UID) visible through the clear shell. The laser etches a white mark into the epoxy surface that is permanent, tamper-evident, and readable under normal lighting at arm's length. Serial formats include 8-digit decimal, 10-digit hex, barcode, and QR code customer-specified to match the chip's encoded UID or a site-specific enrollment format. The delivers a CSV mapping file pairing each laser UID with its corresponding RFID chip UID, enabling automated enrollment into access control host systems and CRM databases without manual per-credential scanning.
Unlike opaque ABS and silicone fobs, the epoxy body makes the internal electronics visible: the copper antenna coil spirals around the perimeter and the NFC chip appears as a small dark square bonded to the antenna terminals. For 125KHz LF chips, the antenna is a wider wire coil with 80-120 turns; for 13.56MHz HF, it is a PCB-etched antenna with 4-6 turns. This visibility is a selling feature for technical audiences buyers at hackerspaces, universities, and IoT startups specifically choose the epoxy format because it communicates technical authenticity. For consumer-facing corporate gifts, the visibility reassures recipients that the keyfob contains genuine NFC hardware rather than being a plastic imitation.
The epoxy resin accepts dye tinting across a wide spectrum, with the most popular stock colors being crystal clear, ruby red, emerald green, sapphire blue, amber, and frosted white. All colors maintain transparency so the internal chip and antenna remain visible through the body differentiating epoxy fobs from opaque ABS or silicone alternatives. Event organizers often order matched sets where each color corresponds to a specific VIP tier, workshop track, or day-of-event access zone, giving staff instant visual identification without scanning. Custom Pantone-matched tints are available with 2,000-piece minimum orders.
Each epoxy keyfob is individually poly-bagged after QC testing to prevent scratching during shipment the UV-cured surface is scratch-resistant in daily use but protected during bulk transit. Laser-engraved UIDs are verified against the encoded chip UID before bagging, with the CSV mapping file delivered electronically with the shipment. Bulk programs can be shipped loose in anti-static bags (lowest cost) or individually poly-bagged (default) or presented in gift-ready individual boxes (premium). Standard packing is 500 pieces per carton at 2.5 kg, enabling rapid air freight for urgent tech conference and event deployments.
Supplier Fit
Once the format is right, most teams still need confidence in manufacturing control, sample support, and repeat-order reliability.
Quality-focused manufacturing and sample support for custom RFID projects.
RFID manufacturing experience across cards, tags, labels, wristbands and readers.
Test product compatibility before bulk purchasing and customization decisions.
Next Reading
These guides help teams compare shell styles, chip fit, and installed reader compatibility before they request keyfob samples.
Comparison Pages
These head-to-head pages help buyers compare chip, frequency, material or format decisions before they lock a sample plan for this product.
Commercial Fit
Most inquiry-ready visitors want to know whether this product matches their workflow, region and approval stage. These cues help them move faster without leaving the product page.
Usually replacing or expanding apartment, office and parking credentials that must match installed readers.
Often need broad shell options, dependable repeat supply and clear compatibility checkpoints.
Typically care about portability, branding and compact credentials that are easy for end users to keep.
Quote Checklist
Market Notes
Apartment access, gyms and parking systems often start with compatibility matching and sample verification.
Corporate and residential upgrades often compare stronger chip options alongside shell durability and print quality.
Hotels, residential compounds and visitor systems often want branded credentials with dependable daily-use performance.
Nearby Options
Small changes in shell style, material, and compatibility can change which credential works best in the field.
RFID Keyfob
Compare this option if shell style, durability, or system fit may point to a different credential.
Compare this option
RFID Keyfob
Compare this option if shell style, durability, or system fit may point to a different credential.
Compare this option
RFID Keyfob
Compare this option if shell style, durability, or system fit may point to a different credential.
Compare this option RFID Keyfob
Compare this option if shell style, durability, or system fit may point to a different credential.
Compare this optionMore Ways To Source This
These sourcing pages cover the chip-specific and market-specific buying details that often decide the final spec for this product.
Before You Order
Five short reads on the procurement-side topics every B2B RFID buyer wants answered before signing a quote — MOQ thresholds, lead time reality, pricing transparency, sample policy, and how to audit a Chinese factory before your first order.
Buyer Questions
These FAQs cover the points that usually come up between a first shortlist and a real sample or quote request.
For RFID Epoxy Keyfob, the standard MOQ starts at 500 pieces on stock SKUs. Custom shapes, molds or non-standard materials typically move MOQ to 2,000–5,000 pieces to cover tooling setup. Exact MOQ and unit pricing are quoted per project once chip, customization and packaging are confirmed.
Yes. Stock rfid keyfob samples of RFID Epoxy Keyfob are typically free; we only ask buyers to cover DHL/FedEx express shipping. Samples ship in 1–3 business days after your order is confirmed and arrive in 2–5 days to most countries. Custom samples (new chip, new size, printed artwork) usually take 3–7 additional days.
Standard RFID Epoxy Keyfob orders ship in 7–15 business days after PO confirmation and artwork approval. Large runs (>100k units) or orders with complex encoding / custom molds may take 15–25 business days. Rush production is available on request for time-sensitive launches; confirm MOQ and artwork early to protect the timeline.
Yes. RFID Epoxy Keyfob supports end-to-end customization: full-color CMYK / silk-screen / UV printing, laser engraving, serial numbering, custom chip encoding (UID write, NDEF, sector locking), custom shape / size (subject to tooling MOQ), and packaging. Share your artwork, chip requirement and quantity and we will return a spec sheet + price within 24 hours.
Compatibility depends on the frequency band (LF 125 kHz / HF 13.56 MHz / UHF 860–960 MHz) and chip family used by your reader or installed system. Send a photo of your current card / reader model and we will recommend the matching chip + test a sample before bulk order.
RFIDAK operates under ISO 9001:2015 (Quality Management) and ISO 14001 (Environmental Management), audited by SGS. RFID Epoxy Keyfob is subject to incoming material inspection, in-process QC at every lamination / bonding / encoding step, and 100% electrical performance testing before shipment. Products meet CE, FCC, RoHS and REACH as applicable by market. Full test reports are available on request for buyer audits.
Yes. RFID Epoxy Keyfob can ship with UID range assignment, NDEF URL encoding (for NFC), sector-locked user data, serial numbering, and CMYK / silk-screen / UV printing of your artwork. Provide an AI/PDF artwork file at 300 dpi with 3 mm bleed and a chip-encoding spec; we return a digital proof for approval before production.
RFIDAK ships RFID Epoxy Keyfob via DHL / FedEx / UPS (door-to-door, 3–5 days to most countries), air cargo (5–7 days for heavier orders), or sea freight (20–35 days for bulk over 500 kg). Standard Incoterms are EXW, FOB Shenzhen and DDP; choose based on customs clearance preferences. Commercial invoice, packing list and CoC / MSDS are included automatically.
For repeat buyers, RFIDAK locks tooling, artwork and chip encoding on file so subsequent POs ship faster — typically 5–10 business days for stock chip types at previously-run quantities. Price is adjusted transparently per chip market rate and FX movement; we flag any chip shortage (e.g., DESFire EV3) before quotation so the project plan stays realistic.
Key RFID Epoxy Keyfob specs: frequency 125 kHz (LF), 13.56 MHz (HF); dimensions 30 mm round or 40 x 30 mm teardrop, 3 mm thick; substrate UV-cured epoxy resin. A full technical datasheet including read range, chip memory map, IP / temperature rating and compliance certificates is available on request; attach your reader model and target environment so we can confirm suitability before quoting.
Try before you buy. Request free samples of any RFID product from our 50+ SKU catalog. Samples shipped via DHL/FedEx within 1-3 business days worldwide.
Not ready to chat? Just drop your email and we'll send the RFIDAK product catalog (PDF).
We'll only use your email to send the catalog and reply to your inquiry.