The Model 1835 is an ideal telephone entry system suited for apartment and gated community applications as well as office buildings and industrial sites.  Each 1830 Series unit allows for a Voice and Data connection over Cellular Internet or POTS (Plain Old Telephone Service) connections.

The single-line LCD display features big 1/2-inch characters for easy viewing and your personalized message scrolls across the screen from right to left when the system is not in use. Our unique "One Touch" CALL button makes this system one of the easiest to use on the market today

• Large easy to use A and Z scroll buttons.
• One Touch "CALL" button.
• Built-in single-line LCD directory display.
• Programmable directory codes (1-4 digits).
• 10 and 11-digit dialing capability.
• Interfaces with 2 card readers - expandable to 48 with wired tracker expansion boards (or 24 with a wireless connection).
• Live Streaming.
• Live transactions.
• Anti-pass back.
• 8000 event transaction buffer.
• 31 Security (permission levels)- 29 Programmable (2 fixed levels).
• Database import/export capability.
• LED Lighting illuminates keypad.
• Built-in clock/calendar.
• Holiday schedule.
• Hold open time zones.
• Entry code time zones.
• Built-in postal lock provision.

• True Full Duplex Communication.
• Stores up to 3000 telephone numbers and names (names are limited to 15 characters max).
• Stores up to 255 area codes.
• Transaction buffer stores last 8000 events.
• Stores up to 8000 access card codes - dependent on system memory.
• 31 security (permission) levels 29 programmable with 4 time zones each.
• 8 hold open time zones.
• Three anti-pass back configurations: passive active and trap.
• Elevator control (note 1) for up to 8 elevators each serving 64 floors.
• Expandable (note 2) to control up to 48 wired entry points (or 24 wirelessly).
• 4-digit entry codes one for each telephone number.
• 3 form "C" dry contact relays.
• Single-line directory display uses super-twist LCD with 1/2-inch characters.
• EEPROM memory chip.
• Requires touch-tone loop-start central office phone line.
• Two 16 VAC 20 VA power transformers supplied.
• FCC (US): DUF6VT-12874-OT-T
• DOC (CAN): 1736 4528 A
• Compliant with UL 294.   ETL listed.
• Dimensions Surface Mount: 13"H x 11.25"W x 4.75"D.
• Dimensions Flush Mount: 13.25"H x 12"W x 3.25"D.