4G VoLTE GSM Intercom with Keypad | 2 door | Dual Entry Access Control

The K2-4G 4G VoLTE GSM Intercom with Keypad is a professional GSM door entry device that combines robust hardware with advanced mobile connectivity for reliable dual-entry management.

Two call buttons allow visitors to reach users directly via voice call to mobile or landline numbers, eliminating the need for traditional wiring or PSTN lines.

The built-in illuminated keypad supports up to 1,000 PIN codes and 50 temporary codes for controlled access. Users can open doors or gates remotely by entering a PIN, dialling from an authorised number (Caller ID), or via relay activation.

Remote programming and monitoring are available through WebAlarm™, EasySet Web, Android, or iOS apps, with firmware upgrades Over the Air (F-OTA).

• Dual call buttons with up to five phone numbers per button

• 4G VoLTE connectivity with 3G/2G fallback

• Built-in illuminated keypad supporting up to 1,000 PIN codes and temporary codes

• Caller ID recognition for cost-free access (1,000 authorised users)

• Two relay outputs and two alarm inputs for flexible control

• Wiegand input/output for integration with external readers or keypads

• 20,000 event log entries with timestamps

• Remote management via WebAlarm™, EasySet Web, Android or iOS apps

• Firmware updates via Over-the-Air (F-OTA)

• Stainless-steel vandal-resistant housing for outdoor use

• Network: 4G VoLTE with 3G/2G fallback

• Power Supply: 12–24 V AC/DC

• Current Consumption: 250 mA (active) / 80 mA (idle)

• Relay Outputs: 2 independent (NO/NC)

• Inputs: 2 configurable alarm inputs

• Wiegand: Input and output supported

• User Capacity: Up to 1,000 PIN codes and 1,000 Caller ID users

• Event Log: Up to 20,000 events

• Dimensions: 290 × 113 × 56 mm

• Material: Stainless steel, IP-rated for outdoor installation

• Antenna: External SMA patch antenna (included)

• SIM Card: Compatible with ControlFreq IoT multi-network SIM

The K2-4G integrates seamlessly with the WebAlarm™ cloud platform for real-time control and monitoring:

• Live event logging and remote notifications

• Add or remove users and PINs instantly via web dashboard

• Custom SMS or email alerts for specific events

• Multi-site control for larger portfolios

• Secure remote configuration and firmware updates

• Apartment buildings and multi-tenant complexes

• Gated residential developments

• Commercial premises and office parks

• Car parks and private driveways

• Industrial and logistics facilities

K2-4G Datasheet (PDF)