Description
RapidPROX® SlimLine ULTRA™ Two-Tone Proximity Key Fobs are engineered to deliver both reliable 125kHz performance and powerful visual customization for modern access control systems. Designed as a high-quality alternative to HID® ProxKey III (1346LNSMN), these fobs allow you to choose both a base color and an accent color—creating a fully customized credential that aligns with your brand, organization, or operational needs. Two-tone fobs are ideal for companies looking to match corporate colors, schools and universities organizing student access, fitness centers and gyms managing membership tiers, and organizations such as sororities, fraternities, and sports teams that want a cohesive, branded look. They are also widely used for color-coded access levels across departments, facilities, or security zones.
Manufactured in the USA and built for durability, each fob offers consistent read range and compatibility with industry-standard 125kHz formats. RapidPROX fobs are available with custom encoding, facility codes, and sequential numbering, making them a scalable solution for both new installations and system expansions. With rapid production and extensive color combinations, SlimLine ULTRA Two-Tone Key Fobs provide a professional, flexible, and cost-effective credential solution for any environment where security, identification, and branding matter.
***For customers needing Format H10302, enter "00" in the facility code field so that you may continue with checkout. No facility code will be encoded.***

Use Cases & Industries
- Corporate Offices – Match company branding and visually separate departments or access levels
- Gyms & Fitness Centers – Color-code membership tiers, staff, and VIP access
- Schools & Universities – Identify students, faculty, housing groups, or campus access zones
- Sororities & Fraternities – Coordinate colors for chapter identity and member credentials
- Sports Teams & Athletic Facilities – Align fobs with team colors for players, staff, and access control
- Healthcare Facilities – Differentiate staff roles, departments, or clearance levels
- Warehouses & Industrial Sites – Improve security with easy visual identification of access zones
- Property Management & Multi-Tenant Buildings – Assign color-coded credentials by tenant or building
- Events & Membership Organizations – Create branded, easy-to-recognize credentials for attendees or members
Explore how two-tone proximity fobs are used across industries:
ā¶ Corporate Offices & Commercial Facilities
Two-tone proximity key fobs are ideal for corporate environments where branding and organization matter. By matching company colors or assigning specific color combinations to departments, businesses can quickly identify employee access levels and streamline security management. These custom fobs are perfect for office buildings, headquarters, and multi-department operations looking for a professional and cohesive credential system.
ā¶ Gyms & Fitness Centers
Fitness centers and gyms benefit from two-tone key fobs by easily distinguishing membership tiers, staff roles, and restricted access areas. Use different color combinations for standard members, premium memberships, trainers, and management. Custom-colored proximity fobs also enhance brand identity and create a more polished, professional experience for members.
ā¶ Schools & Universities
Educational institutions can use two-tone proximity fobs to organize student, faculty, and staff access across campuses. Assign color combinations by grade level, dormitory, program, or access permissions. These fobs are especially useful for large campuses where quick visual identification improves both security and daily operations.
ā¶ Sororities, Fraternities & Campus Organizations
Two-tone fobs are a perfect fit for sororities, fraternities, and campus groups that want to align credentials with their official colors. Whether used for housing access or member identification, these customized fobs help reinforce group identity while maintaining secure access control.
ā¶ Sports Teams & Athletic Facilities
From locker rooms to training facilities, two-tone key fobs allow teams to coordinate credentials with team colors. Assign specific color combinations for players, coaches, staff, and facility access zones. This not only enhances organization but also creates a cohesive, branded look across the entire program.
ā¶ Healthcare Facilities
Hospitals and healthcare environments can use color-coded two-tone fobs to quickly identify staff roles, departments, or clearance levels. Whether distinguishing nurses, physicians, administrative staff, or maintenance teams, these fobs help improve efficiency while maintaining strict access control protocols.
ā¶ Warehouses & Industrial Operations
In fast-paced industrial environments, visual identification is critical. Two-tone proximity fobs allow facilities to assign colors by department, shift, or access level—helping reduce errors and improve security. Ideal for warehouses, manufacturing plants, and logistics centers.
ā¶ Property Management & Multi-Tenant Buildings
Apartment complexes, office parks, and multi-tenant properties can assign unique color combinations to different buildings, tenants, or access privileges. This makes it easier for property managers to control access while simplifying credential distribution and replacement.
ā¶ Events & Membership Organizations
For conferences, private events, or membership-based organizations, two-tone fobs provide a clean and professional way to manage access. Use color combinations to distinguish attendees, VIPs, staff, and vendors while maintaining a branded appearance.