LDN3 3-Digit Numeric LED Sign

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Pageable numeric LED sign with 3 digit display and chime

  • Wide range of industries and applications
  • Clone existing handheld pagers or use as a dedicated call-by-number system
  • Wireless and 100% controlled via over-the-air commands

Product Description

The Apollo LDN3  3-Digit Numeric LED Sign combines a simplified numeric pager with the flexibility of an easy to read 3-digit LED sign.

The LDN3 can be used in public areas, including lobbies and waiting areas, as a simple and discrete call-by-number system for guests or patients (as a supplement or quieter alternative to loudspeaker-based call systems). The LDN3 can also be used to clone existing handheld pagers to broadcast numeric codes in offices, vehicles, or dispatch centers. This makes the LDN3 a unique tool for a diverse range of industries and applications, including:

  • Any service desk
  • Restaurants, lounges, bars, and coffee shops
  • Hotels, resorts, and casinos
  • Healthcare facilities (hospitals, doctors offices, care homes, patient or resident common areas and waiting areas)
  • Schools, colleges, and universities
  • Automotive dealers and service centers
  • Warehouses, loading docks, shipping and storage yards
  • Firehouses
  • Transit stations

Because it adheres to standard paging protocols, the LDN3 can be used with local area, wide area, and carrier-based paging systems, providing additional possibilities for organizations with multiple sites, from regional to national.

For existing paging systems, the LDN3 is as simple to deploy as any handheld pager, with no connections or wiring besides a standard 2-prong power cord. For organizations that are new to paging, an LED sign system — with one or more signs — can be deployed with nothing more than an Apollo local area numeric transmitter (including desktop, PC-based, and handheld portable models), resulting in minimal equipment and deployment expense, zero wiring, and greater and more reliable coverage than typical wifi networks, indoors or out.

When ordering, choose any model with a frequency range that includes your paging frequency.  For full alphanumeric messaging  capabilities see the AS112 and AS122 series of 24- and 48-inch pageable LED signs.


SKU 567
Pager Type 3-Digit Numeric only
Paging Protocol / Format POCSAG
Pager Form Factor 3-digit pageable LED sign
Available Frequency Bands UHF
Bandwidth Options Operates wideband only (25 kHz efficiency)
Pager Baud / Bit Rates (bps) 512 / 1200 / 2400 (programmable)
Capcode Addresses 6
LED Color Red
Display Area Size Approximately 11-1/8″ x 5-1/2″
LED Array Resolution 3-digits, 7 segments each
Display Lines 1
Character Size Approximately 4″ H x 2-3/8″W
Characters Per Line 3 digits total, capable of displaying numbers 0 through 9, hyphens – and brackets [ ]
Screen Finish Matte
Message Display Options None (displays 3-digit paged messages only)
Message Management Features Immediate display of each incoming page (overwrites previous)
Date & Time Features None (displays 3-digit paged messages only)
Controls All sign functions controlled via paged over-the-air commands (no physical onboard controls)
Alert Methods for Pages Beep / melody
Alert Volume for Pages Approximately 99dB @ 12″ (30.5cm)
Language Selection N/A (numeric display only)
Connections Hardwired power cord only
Relay Contacts (this model/version) No onboard relay
External Antenna Not supported
Power Supply Internal AC power supply with attached cable and 2-prong plug (NEMA 1-15P)
Battery Configuration None
Housing Material Aluminum, polycarbonate and ABS plastic
Color Black
Special Ratings & Certifications No
Additional Features All sign functions controlled via paged over-the-air commands; heavy duty threaded brass sockets and bolt-on side brackets (included) for easy and secure wall or ceiling mounting with 180 degree rotation
Package Contents LED sign with AC power cable (attached); mounting brackets with hardware
Warranty 1 year parts and labor
Common Applications / Industries Automotive Dealers & Service Centers, Dispatch Centers, Fire & EMS, Guest & Patient Calling, Healthcare (Hospitals, Doctors Offices, Care Homes), Hotels / Resorts / Casinos, Kitchen Call, Lobbies & Waiting Rooms, On-Site Daycare, Restaurants / Bars / POS, Schools / Colleges / Universities, Service Desks, Shopping Malls, Staff Common Areas, Supervisor Offices

PDF Documentation



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