TM Card Memory Key Card DS1990 IButton TM1990 for Access Control System

Durable stainless steel casing with precision laser etching for long-term outdoor resistance and anti-tampering. Each unit features a globally unique 64-bit ROM code for secure identification, compatible with Dallas/Maxim 1-Wire protocol.

Ideal for high-traffic access control in corporate buildings, parking gates, and industrial facilities. Supports temperature range -40°C to +85°C with 10-year data retention.

Direct factory pricing with bulk discounts available. Ships globally with same-day dispatch from our ISO-certified warehouses. Compatible with most standard iButton readers including HID and Farpointe systems.

Waterproof design meets IP68 rating for harsh environments. Each keycard undergoes individual electrical testing before shipment. Custom logo engraving available for corporate orders.

Inventory stocked in US/EU/Asia hubs for fast delivery. Wholesale MOQ starts at 100pcs with tiered pricing. Includes 12-month replacement warranty against manufacturing defects.

Technical specs: 16mm diameter, 3.3mm thickness, 6kA ESD protection. Supports 5m/sec scan speed for rapid authentication. No battery required - powered by reader contact.

Enterprise-grade solution at wholesale pricing. Compatible with Keri Systems, Stanley Hardware and most third-party access software. Bulk pallet orders receive additional 5% discount.