The HKS02 GSM Telephone Access Control Device (RTU5024) is designed for remote access control via GSM network. It allows authorized users to open gates, doors, or barriers by making a free call. The system identifies caller ID, rejects the call, and triggers the relay without any communication charges.
This device eliminates the need for remote controls or access cards and supports up to 200 users. It is suitable for residential, commercial, and industrial automation applications.
Product Specifications
| Product Name | HKS02 GSM Access Control Device |
| Model | RTU5024 |
| Network Type | GSM (2G), compatible with 3G / 4G SIM |
| Frequency Bands | 850 / 900 / 1800 / 1900 MHz |
| Control Method | Caller ID (missed call trigger) |
| Max Users | Up to 1000 numbers |
| Relay Output | NC / NO dry contact |
| Relay Capacity | 3A / 240VAC |
| Power Supply | DC 9–15V / 2A |
| Power Consumption | Max 50mA / Avg 25mA |
| SIM Card | Standard SIM |
| Antenna | 50Ω SMA interface |
| Temperature | -20°C to +60°C |
| Humidity | ≤ 90% RH |
| Protection Level | IP30 |
| Installation | Wall-mounted |
| Dimensions | 13 × 9.5 × 3 cm |
Key Features
- Quad-band GSM support for global operation
- No call cost, relay triggered on first ring
- Caller ID authentication for secure access
- User management via SMS commands
- Supports up to 200 authorized users
- SMS confirmation for operation status
- Programmable relay activation time
- Metal enclosure for industrial use
- Compact size and easy installation
- Suitable for gates, barriers, doors and automation systems
Package Contents
- 1 × GSM Access Control Device
- 1 × Antenna
- 2 × Terminal Connectors
- 1 × User Manual (English)
Applications
Widely used for automatic gate control, parking systems, garage doors, access control systems, and industrial remote switching applications.
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