Provide centralized visitor screening, tenant communication, entrance monitoring, and concierge control with the Aiphone GT-MKB-N Video Security Guard Station with NFC Reader.

Designed for Aiphone GT Series multi-tenant intercom systems, the GT-MKB-N gives security, concierge, reception, or property-management personnel a centralized station for communicating with tenants and entrance stations.

The station features a 3.5" TFT color LCD, numeric keypad, privacy handset, hands-free VOX/PTT communication, tenant directory, selective door release, entrance monitoring, Reception Mode, and built-in NFC programming capability.

Key Features

• Genuine Aiphone GT-MKB-N

• Video security guard / concierge station

• Designed for Aiphone GT Series

• 3.5" TFT color LCD

• Built-in numeric keypad

• Built-in NFC reader

• Handset for private full-duplex communication

• Hands-free VOX communication

• Push-to-talk operation

• Receive direct calls from tenant stations

• Call tenant stations from the guard station

• Call compatible entrance stations

• Video visitor identification

• Entrance video monitoring

• Selective entrance door release

• Digital tenant directory

• Caller ID with tenant name and number

• Call-back capability

• Reception Mode for visitor-call screening

• Standard and emergency tenant calls

• Supports GFK-PS urgent-call switch

• Programmable by PC through USB

• Programmable by compatible Android device through NFC

• Compatible with optional JO-DV video door station

• External signaling capability

• Option button output

• Desk stand included

• Surface wall mounting available

• Up to 2 stations in a standard GT system

• Up to 4 stations in an expanded GT system

Product Specifications

Manufacturer: Aiphone
Model: GT-MKB-N
Series: GT Series
Product Type: Video Security Guard / Concierge Station
Display: 3.5" TFT Color LCD
Communication – Open Voice: VOX or Push-to-Talk
Communication – Handset: Full Duplex or Push-to-Talk
Power Requirement: 24VDC
Maximum Current Consumption: 250mA
Recommended Power Supply: PS-2420UL
Power Supply Capacity: One PS-2420UL per Two GT-MKB-N Stations
Audio Wiring: Aiphone #872002
Video / Power Wiring: Aiphone #871802
Talk Path: Single Channel with Privacy
Standard-System Capacity: Up to 2 GT-MKB-N Stations
Expanded-System Capacity: Up to 4 GT-MKB-N Stations
Mounting: Desktop or Surface Wall Mount
Desk Stand: Included
Wall Box: 3-Gang Electrical Box
Housing: Self-Extinguishing ABS Resin
Operating Temperature: 32°F to 104°F (0°C to 40°C)
Height: 6-3/8"
Width: 9-13/16"
Depth: 1-1/2"
Approximate Weight with Stand: 2.64 lb / 1.2 kg

3.5-Inch Color Video Display

The GT-MKB-N includes a 3.5" TFT color LCD that serves as both the station's video display and menu interface.

The display can provide:

• Entrance camera video

• Tenant directory information

• Caller name

• Caller number

• System menus

• Programming information

• Emergency-call identification

• Entrance-selection information

This gives security or concierge personnel a centralized visual interface for the GT Series system.

Tenant-to-Guard Calling

Compatible GT Series tenant stations can place direct calls to the GT-MKB-N.

When a tenant calls, the guard station provides:

• Call tone

• Tenant identification

• Tenant name

• Tenant number

The guard can answer using either:

• Hands-free communication

• Privacy handset

This allows residents to contact:

• Security

• Concierge

• Front desk

• Property management

• Building staff

Calling Tenant Stations

The GT-MKB-N can also initiate calls to tenant stations.

The built-in numeric keypad and tenant directory allow the operator to locate and call a specific:

• Apartment

• Residence

• Suite

• Office

• Tenant

This makes the GT-MKB-N suitable for active concierge and property-management communication rather than simply receiving entrance calls.

Numeric Keypad

The integrated keypad includes:

• 0–9 numeric keys

•  

  • key

•  

  key

It can be used for applicable:

• Tenant selection

• Station calling

• Programming

• System operation

No separate GT-10K keypad is required at the guard station.

Digital Tenant Directory

The GT-MKB-N includes tenant-directory functionality for locating and contacting residents.

The operator can search for tenant information using the station controls and display.

Tenant information can be programmed through:

• Manual station programming

• PC / USB programming

• NFC programming using a compatible Android device

Reception Mode

One of the primary features of the GT-MKB-N is Reception Mode.

When Reception Mode is enabled, visitor calls from building entrance stations can be routed to the GT-MKB-N before being transferred to the intended tenant.

This allows a:

• Security guard

• Concierge

• Receptionist

• Building manager

to screen visitors before connecting them with residents.

Visitor Screening

When a video entrance station calls, the GT-MKB-N can display the visitor on its color monitor.

Building staff can then:

1. View the visitor

2. Communicate with the visitor

3. Verify the purpose of the visit

4. Transfer the call to the appropriate tenant when required

5. Release the entrance when authorized

This provides an additional security layer compared with routing all visitor calls directly to tenant stations.

Entrance Monitoring

The MONITOR function allows authorized staff to view compatible entrance cameras from the guard station.

This can be useful for:

• Checking an entrance

• Verifying activity in a vestibule

• Monitoring visitor areas

• Identifying someone before initiating communication

Available monitoring functions depend on the complete GT Series configuration.

Selective Door Release

The GT-MKB-N includes a dedicated door-release button.

When communication is established with an entrance, the operator can selectively release the entrance associated with the active call.

The actual door-release relay is located in the compatible entrance station equipment.

Possible locking hardware includes:

• Electric strikes

• Magnetic locks

• Access-control relays

• Gate interfaces

Locking hardware and associated power supplies are sold separately.

Hands-Free Communication

The GT-MKB-N supports open-voice communication using:

VOX

Voice-actuated hands-free communication automatically switches between transmit and receive.

Push-to-Talk

The operator can use PTT communication in noisy environments where manual control is preferable.

Privacy Handset

For conversations requiring increased privacy, the GT-MKB-N includes a built-in handset.

Handset communication supports:

Full-Duplex Conversation

allowing both parties to communicate naturally at the same time.

Push-to-talk operation is also available when required.

Different Call Tones

The GT-MKB-N uses different call tones to help staff distinguish calls originating from:

• Entrance stations

• Tenant stations

• Personal / door stations

• Emergency call inputs

This helps the operator quickly identify the type of incoming communication.

Emergency Tenant Calls

The GT-MKB-N supports emergency calls generated through compatible GT Series tenant equipment.

A common accessory is the:

GFK-PS – N/C Urgent Call Switch with Pull Cord

When an emergency call is generated:

• An urgent call tone sounds

• The GT-MKB-N displays an EMERGENCY indication

• Tenant name and number are displayed

This allows security or building personnel to identify the originating tenant quickly.

Emergency Call Reset

A standard tenant call ends when normal communication is terminated.

An emergency call generated through compatible urgent-call equipment must generally be reset at the tenant location.

This helps prevent an emergency call from being cleared accidentally only at the guard desk.

GFK-PS Urgent Call Switch

The optional:

GFK-PS – N/C Panic / Urgent Call Switch with Pull Cord

can be connected to compatible GT tenant stations.

Typical applications include:

• Senior-living properties

• Accessible residences

• Assisted housing

• Apartment emergency notification

• Bathrooms and wet-location applications

The GFK-PS is sold separately.

NFC Reader

The GT-MKB-N includes a built-in NFC reader.

Aiphone primarily uses this feature to simplify system administration and programming.

Using a compatible Android device with the Aiphone GT Setup Tool, authorized personnel can transfer or update GT Series configuration information through NFC.

This can reduce the need to open entrance or guard equipment for routine programming changes.

NFC Programming Functions

Depending on the GT system configuration, NFC programming can assist with information such as:

• Tenant directory data

• Station linking

• System configuration

• Access information

• Administrative settings

The NFC feature is therefore particularly useful for building managers and service technicians maintaining larger GT Series installations.

USB PC Programming

The GT-MKB-N also provides a USB connection for configuration with a compatible PC.

Aiphone programming tools can be used to manage:

• Tenant data

• Station configuration

• Entrance information

• System setup

• Other GT Series parameters

This provides another convenient programming method for larger installations.

Compatible GT Series Tenant Stations

The GT-MKB-N can communicate with current GT Series tenant equipment including:

• GT-1A – Audio Open-Voice Tenant Station

• GT-1D – Audio Handset Tenant Station

• GT-1M3 – 3.5" Video Tenant Station

• GT-1C7 – 7" Video Tenant Station

• GT-1C7W – 7" App-Compatible Video Tenant Station

Actual capabilities depend on the selected tenant station.

Compatible Entrance Equipment

The GT-MKB-N can communicate with compatible GT entrance configurations including:

• GT-DMB-N – 3-in-1 Video Entrance Station

• Modular GT video entrance stations

• Modular GT audio entrance stations

• Direct-select entrance stations

• Digital-directory entrance stations

Optional JO-DV Door Station

Aiphone also supports an optional:

JO-DV – Video Door Station

with the GT-MKB-N for a dedicated single-door video-entry application.

Aiphone specifies:

One JO-DV per GT-MKB-N

in applicable configurations.

This can provide the guard or concierge with an additional local video door station separate from the main GT building entrances.

Option Button

The GT-MKB-N includes an OPTION button that can interface with compatible external equipment.

Applications may include:

• Auxiliary relay control

• Lighting

• Other low-voltage functions

Additional relay or interface equipment may be required depending on the application.

External Signaling

The GT-MKB-N supports connection to compatible:

GT-RY – External Signaling / Option Relay

This can be used to activate external notification equipment such as:

• Buzzer

• Bell

• Auxiliary sounder

• Visual signaling device

• Secondary relay

Audio Wiring

The GT-MKB-N uses a common 2-conductor audio bus.

Recommended Aiphone wire:

• 87200250C – 20 AWG | 500'

• 87200210C – 20 AWG | 1,000'

• 872002P10C – 20 AWG | Plenum | 1,000'

Maximum Audio Distance

From the GT-BC to the GT-MKB-N:

Up to 980 ft using approved 20 AWG wiring

Video Wiring

The video bus uses Aiphone-approved 2-conductor wiring.

Recommended:

• 87180250C – 18 AWG | 500'

• 87180210C – 18 AWG | 1,000'

• 871802P10C – 18 AWG | Plenum | 1,000'

Maximum Video Distance

From the GT-VBC to the GT-MKB-N:

Up to 490 ft using approved 18 AWG wiring

24VDC Power

The GT-MKB-N requires:

24VDC

Aiphone specifies the:

PS-2420UL – 24VDC, 2A Power Supply

A single PS-2420UL can support up to:

2 GT-MKB-N Stations

under the applicable standard configuration.

Maximum current consumption per GT-MKB-N:

250mA

Always confirm the full GT Series system power calculation before installation.

Standard System Capacity

A standard GT Series system can support up to:

2 GT-MKB-N Guard Stations

This allows locations such as:

• Main security desk

• Secondary concierge desk

to be incorporated into the same system.

Expanded System Capacity

An expanded GT Series system can support up to:

4 GT-MKB-N Guard Stations

Expanded systems require the appropriate GT expanded control equipment and system design.

Single Talk Path

The GT Series uses a single communication channel with privacy.

If the system is already in use and another station attempts to initiate a call, the caller may receive a busy indication until the existing communication ends.

Desktop Installation

The GT-MKB-N includes a desk stand for countertop or security-desk use.

This is ideal for:

• Concierge desks

• Front desks

• Security offices

• Property-management offices

• Reception counters

No optional stand needs to be purchased for normal desktop installation.

Wall Mounting

The GT-MKB-N can also be surface mounted over a:

3-Gang Electrical Box

This provides a fixed wall installation where desk space is limited.

Ideal Applications

• Apartment buildings

• Condominium complexes

• Luxury residential properties

• Commercial office buildings

• Mixed-use developments

• Student housing

• Senior-living properties

• Security desks

• Concierge desks

• Property-management offices

• Reception areas

• Controlled-access buildings

• GT Series multi-tenant intercom systems

Important Ordering Information

This listing is for the GT-MKB-N Video Security Guard Station with NFC Reader.

The desktop stand is included.

The following are sold separately unless specifically stated:

• PS-2420UL power supply

• GT-BC audio bus control unit

• GT-VBC video bus control unit

• Entrance stations

• Tenant stations

• JO-DV video door station

• GT-RY external signaling relay

• GFK-PS urgent-call switch

• Audio wiring

• Video / power wiring

• Electric locking hardware

• Other GT Series system components

Verify the complete GT Series architecture and power requirements before ordering.