I’m the CEO of HKCARD ELECTRONICS CO., LIMITED, and every day I answer the same question from new partners: “Which voltage variant of your 4G Nano+NFC Factory Sim Card do I actually need?”
Below, I’ll give you the definitive, Google-friendly guide—plus instant access to stock—so you can stop searching and start deploying.
Table of Contents
Toggle🔋 Voltage Variants at a Glance (All In-Stock Today)
| Model | Voltage | Best Use-Case | Global Cert. | Inventory |
|---|---|---|---|---|
| 4G Nano+NFC Factory Sim Card 1.8 V | 1.62 V–1.98 V | Ultra-low-power IoT sensors | CE, FCC | 180 k |
| 4G Nano+NFC Factory Sim Card 3.6 V | 3.0 V–3.6 V | Legacy M2M modems | RoHS, REACH | 150 k |
| 4G Nano+NFC Factory Sim Card 1.62 V–5.5 V | Wide-range | Automotive & rugged devices | AEC-Q100 | 220 k |
| 4G Nano+NFC Factory Sim Card V3.0 C-CLASS | Auto-sensing 1.8 V/3.0 V/5.5 V | Universal deployment | GSMA SAS-SM | 300 k |
All variants share the same NFC-SIM core: Sim SWP ready, NFC USIM secure element, and nfc white blank card surface for your branding.
📦 What You Get From HKCARD in 3 Steps
- Quote in 15 min—tell me voltage, quantity, and region.
- Free test sim card—shipped today, works in your lab tomorrow.
- Bulk 4G Nano+NFC cards—delivered with your logo, OTA keys, and DHL tracking.
🌍 Local Names, One Factory
- nfc sim karte (Germany)
- tarjeta SIM NFC (Spain & LATAM)
- kartu nfc (Indonesia)
- nfc simkaart (Netherlands)
- nfc sim kart (Turkey)
Whatever you call it, it’s the same nfc sim quality—ISO 9001:2015 certified.
❓ 5 Quick Ask-Reply Headlines (Featured-Snippet Ready)
Q: Which voltage should I pick for my 4G Nano+NFC Factory Sim Card?
A: Use 1.8 V for battery sensors, 3.6 V for legacy modems, and 1.62 V–5.5 V for automotive; the V3.0 C-CLASS auto-switches.Q: Can I brand the NFC white blank card?
A: Yes—HKCARD prints or laser-engraves your logo with MOQ 1 k and 24-hour proof.Q: Where to buy NFC SIM cards in bulk?
A: HKCARD ships nfc sim cards globally from Shenzhen, 48-hour dispatch, all voltage variants.Q: Is the Factory Sim Card V3.0 C-CLASS compatible with Sim SWP?
A: Absolutely—every card has a certified Sim SWP line for sub-150 ms NFC transactions.Q: How fast is delivery for a test sim card?
A: Order before 3 PM GMT+8, receive test sim card via DHL Express in 2–4 days, free of charge.
🔗 Ready to Order?
Contact HKCARD Today
Partner with HKCARD ELECTRONICS for OEM SIM cards
📞 Contact us now:byronhan@cardmfg.com
byronhan1@gmail.com
byron@cardmfg.com
My skype/Teams is byron1681
Whatsapp /Phone Number:+8615817372512
🌐 Visit our website: https://www.cardmfg.com/
#4GNanoNFC #FactorySimCardV3 #NFCSIMCards #SimSWP #NFCUSIM #ContactlessPayments #IoTSIM #SimCardManufacturer #NFCSimSupplier #SecureConnectivity


