Description
RapidPROX® SlimLine™ ULTRA™ Black Proximity Key Fob
The RapidPROX® SlimLine™ ULTRA™ Black Proximity Key Fob delivers dependable 125kHz access control performance in a premium-grade credential engineered for enhanced durability and long-term use. Featuring a black outer shell and white center, the distinctive two-color ULTRA™ design is easy to identify while providing a rugged alternative to standard proximity credentials. Engineered as a high-quality alternative to the HID® 1346LNSMN, this American-made key fob provides reliable compatibility with most standard 125kHz proximity systems while helping organizations reduce credential costs without sacrificing performance. Ideal for commercial buildings, schools, healthcare facilities, apartment communities, fitness centers, and industrial environments, RapidPROX® SlimLine™ ULTRA™ fobs combine reinforced construction, rapid production, and consistent read performance in one dependable access control credential.
Important Ordering Information – HID® H10302 Format
If your access control system requires HID® H10302 format, enter "00" in the Facility Code field during checkout.
No facility code will be encoded. Entering "00" simply allows the ordering system to accept and process the order correctly.

ULTRA™ Durability for Everyday Access Control
Manufactured in the USA using strict quality standards, the RapidPROX® SlimLine™ ULTRA™ Proximity Key Fob is engineered for demanding, long-term operation. Its reinforced construction offers enhanced resistance to everyday wear while the slim, lightweight profile attaches easily to keyrings, lanyards, badge reels, and other credential accessories. The black exterior and white center provide a distinctive two-color appearance for convenient visual identification.
Each fob includes a professionally inkjet-printed identification number for simplified credential management. Optional laser engraving is available for an additional fee when permanent numbering or identification is preferred.
Custom Programmed to Your Requirements
RapidPROX® SlimLine™ ULTRA™ key fobs are custom programmed to match your access control requirements, including available bit formats, facility codes, and credential number ranges. Whether you are replacing existing fobs, adding new users, or expanding an established system, each order is professionally encoded for dependable integration and consistent performance.
Rapid Production and Lifetime Warranty
Backed by more than 30 years of access control industry experience, RapidPROX® credentials are designed to provide reliable performance and exceptional long-term value. Standard production is typically completed within 48 hours, with same-day production available for many orders. Every RapidPROX® SlimLine™ ULTRA™ Proximity Key Fob is protected by a Lifetime Warranty.
Product Features
- 125kHz proximity technology
- Compare to HID® 1346LNSMN
- Black outer shell with white center
- Premium SlimLine™ ULTRA™ construction
- Enhanced durability for demanding environments
- Compatible with most standard 125kHz proximity systems
- Professional inkjet numbering included
- Optional laser engraving available
- Nickel-plated steel split ring included
- Custom programmed to your specifications
- Multiple formats, facility codes, and number ranges available
- Made in the USA
- Lifetime Warranty
- Rapid production available
- Sold in packs of 100 fobs
Ideal Applications
- Commercial office buildings
- Healthcare facilities
- Schools and universities
- Apartment communities
- Fitness centers
- Manufacturing facilities
- Government buildings
- Property management
- Access control system expansions
- Replacement proximity credentials
Split Ring Information
A nickel-plated steel split ring is included with each RapidPROX® SlimLine™ ULTRA™ key fob. Depending on production and packaging, the split ring may arrive attached to the fob or packaged separately.