EMX 9110-0 VIPER-R UHF RFID Vehicle Credential Details
The EMX VIPER-R is a clear adhesive-backed passive UHF RFID credential designed for long-range vehicle identification and access-control applications. EMX identifies the Viper-R configuration for compatible Rosslare RFID reader applications.
The VIPER operates in the 902-928 MHz UHF frequency range and supports EPC Class 1 Gen2 and ISO 18000-6C standards. Its thin, clear construction is designed for discreet installation on a suitable windshield or headlamp surface while providing long-range credential identification.
Important 9110-0 Part Number Verification
The supplied product identifier is EMX 9110-0. Current public EMX information confirms the VIPER-R product but does not publish 9110-0 as its numeric manufacturer part number. Current distributor records commonly identify VIPER-R as EMX-9110-1.
Do not assume that 9110-0 and 9110-1 are automatically interchangeable or that one officially supersedes the other. Verify the physical credential label, packaging, supplier record, purchase history, and current EMX documentation before ordering or publishing the numeric manufacturer part number.
Compatible With
- Compatible Rosslare long-range UHF RFID reader applications
- Select access-control systems configured for the applicable VIPER-R credential format
- Vehicle access systems using compatible UHF RFID reader and credential programming
Do not determine compatibility from the 902-928 MHz frequency alone. Credential formatting, reader platform, facility code, credential number, controller format, and access-control programming must also match.
Features and Specifications
| Specification | Details |
| Manufacturer | EMX Industries |
| Provided Part Number | 9110-0 - verify against current inventory documentation |
| Product Designation | VIPER-R |
| Product Type | Passive UHF RFID vehicle credential |
| Reader Association | Compatible Rosslare RFID reader applications |
| Operating Frequency | 902-928 MHz |
| RFID Standards | EPC Class 1 Gen2 and ISO 18000-6C |
| Published Average Read Range | Approximately 25-30 ft, installation dependent |
| Dimensions | Approximately 4.75 x 0.042 x 0.625 inches |
| Construction | Clear adhesive-backed RFID tag |
| Typical Mounting | Suitable windshield or headlamp surface |
| Battery Required | No - passive RFID credential |
Published 25-30 ft Read Range
EMX publishes an average VIPER read range of approximately 25-30 ft. This should be treated as an installation-dependent specification rather than a guaranteed distance for every vehicle.
Actual performance depends on the RFID reader, antenna polarization and aiming, RF output, credential position, vehicle construction, windshield composition, headlamp material, nearby metal, and surrounding RF conditions.
Windshield and Headlamp Installation
The VIPER uses a clear adhesive-backed form factor suitable for compatible windshield or headlamp installations. Test the intended mounting location with the actual reader whenever possible before permanently attaching the credential.
Some windshields contain metallic, heated, solar-control, or RF-reducing layers that can significantly reduce UHF RFID performance. An RF-transparent section of the windshield or a suitable headlamp location may perform better on affected vehicles.
Viper-R vs Other VIPER Formats
- VIPER-R: Identified by EMX for compatible Rosslare RFID reader applications.
- VIPER-I: Identified by EMX for compatible Infinity RFID reader applications.
- VIPER-N: Identified by EMX for compatible Nedap RFID reader applications.
- TRES-900-VIPER: VIPER credential designation used within the EMX RFID product family.
These credentials can appear physically similar but should not automatically be substituted. Confirm the reader platform and credential format before ordering.
Credential Programming Matters
The correct physical tag is only part of credential compatibility. An existing access-control system may also require a specific facility code, credential ID range, bit format, or other programming information.
When adding credentials to an existing installation, obtain the required programming information from a working credential, original order, access-control database, reader configuration, or system administrator.
Similar Parts That Are Not Automatically Interchangeable
- EMX VIPER-I
- EMX VIPER-N
- EMX TRES-900-VIPER credentials with different programming requirements
- EMX TRES-900-WS421 windshield tags
- EMX TRES-900-HT hang tags
- Other passive UHF vehicle tags using unverified credential formats
A credential operating at the same UHF frequency is not automatically a compatible replacement. Verify both the physical RFID technology and the programmed access-control format.
Package Contents
- One EMX VIPER-R clear passive UHF RFID credential unless the sales quantity specifically states otherwise
The RFID reader, antenna, access-control panel, gate operator, credential programming service, and other system components are not automatically included.
Technician Note
If a VIPER-R is detected by the RFID reader but the gate does not open, do not immediately replace the tag or reader. Verify credential enrollment, facility code, credential number, bit format, access permissions, schedules, controller communication, and the gate activation interface.
If the credential is not detected at all, check the reader platform, tag format, tag mounting location, windshield or headlamp construction, reader aiming, RF output, and whether the credential has been physically damaged.
Before Ordering Checklist
- Confirm the required credential is VIPER-R.
- Verify the installed RFID reader platform.
- Confirm Rosslare compatibility for the intended installation.
- Verify the 9110-0 numeric part number against the physical inventory or current supplier documentation.
- Confirm facility code and credential ID requirements.
- Verify any controller or Wiegand format requirements.
- Confirm the intended windshield or headlamp mounting location.
- Check whether the vehicle has RF-reducing windshield construction.
- Confirm the quantity being ordered and whether credentials require custom programming.
Installation and Service Notes
Clean and prepare the mounting surface before applying the credential. Avoid bending, creasing, cutting, or repeatedly repositioning the RFID tag because damage to the internal antenna can reduce or eliminate operation.
Where possible, test the credential at the proposed mounting location before permanent attachment. When multiple vehicle types are being enrolled, verify representative vehicles rather than assuming every windshield or headlamp will provide identical range.
Professional Advisory
The VIPER-R is an access-control credential only. It is not a vehicle presence detector, gate safety sensor, photoeye, safety edge, or entrapment-protection device.
Do not use RFID access equipment to bypass required photo eyes, monitored safety edges, vehicle safety detectors, emergency access, fire access, or other required gate operator safety circuits.
Product Questions and Answers
What is the EMX VIPER-R used for?
The VIPER-R is a passive UHF RFID vehicle credential intended for compatible Rosslare long-range reader applications. It is commonly used for hands-free vehicle identification at gates, parking entrances, and controlled access points.
Is EMX 9110-0 confirmed as the current VIPER-R manufacturer part number?
Exact current public confirmation of EMX 9110-0 could not be found. Current distributor records commonly identify VIPER-R as EMX-9110-1. Verify the physical inventory label or current supplier documentation before relying on the numeric part number.
What is the published read range of the VIPER-R?
EMX publishes an average read range of approximately 25-30 ft for the VIPER platform. Actual range depends on the reader, antenna, RF settings, vehicle, credential location, windshield or headlamp material, and surrounding environment.
Can the VIPER-R be mounted on a windshield or headlamp?
Yes. The clear adhesive-backed VIPER credential is designed for suitable windshield or headlamp mounting. Test the proposed location when possible because metallic or RF-reducing vehicle materials can reduce read range.
Can VIPER-R be replaced with VIPER-I or VIPER-N?
Do not assume so. EMX identifies VIPER-R for Rosslare applications, VIPER-I for Infinity applications, and VIPER-N for Nedap applications. Confirm the installed reader platform and credential programming before substituting versions.
Does the EMX VIPER-R require a battery?
No. VIPER-R is a passive UHF RFID credential and does not require a user-replaceable battery. It receives energy from the compatible RFID reader during a credential read.
Why does the reader recognize my VIPER-R but the gate does not open?
If the reader recognizes the credential, check credential enrollment, facility code, credential number, controller format, access permissions, schedules, and the gate activation interface before replacing the RFID tag or reader.
What should be verified before ordering additional VIPER-R credentials?
Confirm the RFID reader platform, VIPER-R format, facility code, credential ID range, access-control format, current manufacturer part number, vehicle mounting location, and any programming or minimum-order requirements before ordering.
