Overview
The Telular T-3100ULCS cellular alarm system is a classic CDMA-based alarm communicator from Telguard, a brand of Telular Corp., a Business Unit of AMETEK, Inc. This legacy model transmits alarm signals from security panels over cellular networks to central monitoring stations, eliminating dependence on traditional landlines. Telguard’s simple installation, reliable operation, and over 30 years of wireless experience have helped it grow to be one of the largest security communication brands in the North America market today.
Key Features
- Universal alarm panel compatibility with dial capture support
- CDMA cellular transmission for dual-path communication
- Configurable jumper settings for carrier selection and operational modes
- RJ31X telco interface for standard phone line integration
- LED signal strength indicators for installation verification
- Field-proven reliability in residential and light commercial installations
Technical Specifications
- Part Number: T-3100ULCS
- Manufacturer Part Number: 19-036543-0-00-B
- Identifier Code: DF9CBFE5
- Communication Protocol: CDMA cellular
- Interface: RJ31X telephone line connector
- Carrier Selection: Jumper-configurable A/B carrier support
- Status Indication: LED signal strength and mode indicators
- Installation Type: Inline telco installation (must be first device on incoming line)
- Condition: New in Box
- Manufacturer: Telular Corporation (Telguard)
Typical Applications
The T-3100ULCS is ideal for upgrading legacy alarm systems that require cellular backup or primary communication without traditional telephone service. Common installations include:
- Residential security system cellular backup
- Fire alarm panel monitoring over cellular networks
- Remote property protection where landline service is unavailable or unreliable
- Retrofit installations requiring universal panel compatibility
- Locations requiring dual-path communication (telco + cellular)
Compatibility & Replacements
Compatible With
- Universal alarm panels with standard dial tone output
- Security systems requiring CDMA cellular transmission
- Central monitoring stations with CDMA signal reception capability
- Standard telephone line infrastructure (RJ31X connections)
- Verizon and other CDMA network carriers (carrier-configurable via jumpers)
Replaces / Drop-In Replacement For
This is a legacy model from the Telguard Classic series. Contact your system integrator to verify compatibility with your specific panel and carrier network, as CDMA networks have been deprecated in newer installations. Modern alternatives include the TG-1 Express and TG1LX001 series for LTE-M networks.
Works With
- Standard alarm dialer protocols and universal formats
- CDMA-compatible central monitoring stations
- Telular cellular service provisioning
- Dual-path communication with existing telco lines






