125kHz RFID EM4100/TK4100 Key Fobs - Premium Access Control Solution

Durable ABS Plastic Construction - High-impact resistance with smooth polished edges for comfortable daily handling. Precision-embedded EM4100/TK4100 chips ensure consistent read range up to 10cm.

Industrial-Grade Performance - Waterproof and dustproof (IP54 rated), ideal for harsh environments like warehouses, parking lots, and construction sites. Operating temperature range: -30°C to +70°C.

Multi-Scene Applications - Perfect for keyless entry systems, gym lockers, time attendance tracking, and inventory management. Compatible with most 125kHz RFID readers including HID Prox.

Cost-Efficient Bulk Solution - Factory-direct wholesale pricing with MOQ flexibility. Pre-programmed unique IDs (optional sequential numbering) for plug-and-play deployment.

Compact & Portable - Standard 30mm diameter with reinforced keyring slot. Weight: 4.8g per unit for effortless carrying. Available in classic white/black or custom colors (10,000pcs+ orders).

CE/RoHS certified. Custom logo printing available (minimum 5,000pcs). Ships worldwide with DHL/FedEx express logistics.