DoorKing 1504-081 Keypad with Intercom Entry System
- Master Station Required: Full two-way communication requires the Aiphone LEM-1DL Master Intercom (sold separately), providing seamless interaction between visitors and occupants
- 400 Programmable Entry Codes – Stores up to 400 four or five-digit codes for controlled access
- Form C Dry Contact Relay – Supports gates and doors with reliable switching capacity
- Hold-Open Functionality – Allows gates to remain open during high-traffic periods
- Solar Compatible – Operates in low-power solar mode, perfect for off-grid or energy-conscious setups

The DoorKing 1504-081 keypad entry system is a standalone access control solution that integrates keypad entry with intercom functionality for enhanced security at gates and doors. Ideal for residential, commercial, and industrial properties, this system supports up to 400 programmable entry codes and includes a form C dry contact relay to manage gate or door operations efficiently.
The 1504-081 features an integrated Aiphone intercom station, enabling visitors to communicate directly with property occupants. For full two-way communication, the system requires the Aiphone LEM-1DL master intercom station (sold separately), allowing seamless interaction between users at the gate and those inside the property. Its low-power solar mode ensures compatibility with solar installations, making it a sustainable solution for remote sites.
Features
- Master Station Required: Full two-way communication requires the Aiphone LEM-1DL Master Intercom (sold separately), providing seamless interaction between visitors and occupants
- 400 Programmable Entry Codes: Stores up to 400 four or five-digit codes for controlled access
- Form C Dry Contact Relay: Supports gates and doors with reliable switching capacity
- Hold-Open Functionality: Allows gates to remain open during high-traffic periods
- Solar Compatible: Operates in low-power solar mode, perfect for off-grid or energy-conscious setups
- Weather-Resistant: Durable construction ensures long-term outdoor performance
DoorKing 1504-081 Detailed Specifications
| Model | DoorKing 1504-081 |
| Type | Keypad Entry System with Intercom |
| Entry Codes | Up to 400 Programmable Codes |
| Relay Type | Form C Dry Contact Relay |
| Communication | Requires Aiphone LEM-1DL for Two-Way Intercom |
| Power Mode | Low-Power Solar Mode Available |
| Durability | Weather-Resistant Construction |





