4G VoLTE Audio Keypad GSM Intercom | 200 way | Multiway Access Control

The K200-4G 4G VoLTE Audio Keypad Intercom delivers scalable GSM access control for up to 200 apartments or users, providing reliable, high-quality communication without landline dependency.

When a visitor enters the apartment number, the intercom automatically calls the designated mobile or landline numbers in sequence until answered. Residents can speak directly with visitors and grant access remotely by pressing a key on their phone.

The illuminated anti-vandal keypad supports up to 1000 PIN codes, temporary codes for guests, and 2,100 Caller ID users for free entry via recognised phone numbers.

Built for durability and easy installation, the K200-4G features IP-rated stainless-steel housing, multi-network 4G VoLTE support, and remote configuration via web, app, or SMS. It’s the ideal access solution for apartment blocks, business parks, and multi-user facilities.

• 4G VoLTE connectivity with fallback to 3G and 2G networks

• Supports up to 200 apartments (available up to 1000 units on request)

• Two call numbers per apartment for backup contact routing

• Built-in keypad with up to 1000 PINs and 100 temporary access codes

• Caller ID entry for up to 2,100 authorised users (free call access)

• Two relay outputs for door/gate control and trade access button

• Wiegand input/output for 3rd-party card reader integration

• Event log with up to 20,000 entries and timestamp tracking

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

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

• Vandal-resistant stainless-steel front panel with LED illumination

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

• Model: K200-4G (Multi-apartment version)

• Power Supply: 12–24 V AC/DC

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

• Apartments: Up to 200 (residential or commercial units)

• Numbers per Apartment: 2 phone numbers per entry

• User Capacity: Up to 1,000 PIN codes + 100 temporary codes + 2,100 Caller ID users

• Event Log: Up to 20,000 entries with timestamp

• Relay Outputs: 2 (NO/NC, configurable for latch/pulse/timed operation)

• Inputs: 2 alarm inputs

• Wiegand Interface: Input & output for external readers

• Audio: Full-duplex GSM voice communication

• Antenna: External SMA connector (included)

• Material: Vandal-resistant stainless steel with black housing

• Operating Temperature: –20 °C to +50 °C

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

The K200-4G integrates with WebAlarm™, ControlFreq’s cloud-based access management platform, providing real-time control and monitoring from any device.

Cloud Features:

• Add or remove users, PINs and Caller IDs remotely

• Live event logging and access reporting

• SMS or email alerts for specific events or unauthorised access

• Time-based access restrictions and temporary codes

• Manage multiple intercoms across sites from a single dashboard

• Secure remote configuration and firmware updates

• Multi-apartment buildings and residential developments

• Business parks and shared commercial premises

• Private driveways and gated communities

• Industrial and warehouse entrances

• Holiday parks and serviced accommodation

K200-4G Datasheet (PDF)