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Product - G-SPEAK CLASSIC+ (Advanced GSM-based intercom)

You are Here:  HOME | OUR PRODUCTS | Intercom Systems | G-SPEAK CLASSIC+ (Advanced GSM-based intercom)
An advanced GSM cellular network-based intercom system suitable for domestic and commercial installations - use your mobile phone as an intercom handset


The G-SPEAK GSM-based intercom system is ideal for people on the move. Utilising your mobile phone as a handset you can answer your intercom, and open your gate, from just about anywhere. Lengthy, expensive cable runs are a thing of the past.

The G-SPEAK Classic+ advanced GSM-based intercom system offers the amazing freedom, security and convenience of being able to answer your intercom from anywhere in the world, and also includes advanced functionality such as the high-security Eavesdropping feature and input monitoring.

Click to see a G-SPEAK in action       Click to see the approximate costs of a G-SPEAK system

Main features

  • Wireless convenience
    You know how people are always saying 'less is more'? Well, when it comes to less wiring, we believe that less is less: less money, less time and less effort, that is! With the G-SPEAK GSM-based intercom system, your phone acts as the intercom handset so there is no need for expensive cable runs back to the house.
  • Up the security ante
    With the G-SPEAK system, you can answer your intercom from anywhere in the world, giving the appearance that you are always home. This greatly enhances security and acts as a deterrent to would-be intruders. In addition, only learned-in, authorised phones are able to access the system.

The G-SPEAK Classic+ system includes two high-security features:
          • Listen Mode – mutes the microphone at the Calling Module so that you can listen inconspicuously
                                        for any activity at your gate

          • Talk Mode – use this feature to scare away loiterers at the gate

  • Open your gate from anywhere
    The G-SPEAK Classic+ offers up to 100 users the ability to open an entrance gate from anywhere in the world via a free missed call. You don't need to compromise the security of your home by giving your garden services or repairmen keys or remotes; you can give them limited access even if you're chilling on a beach in the Bahamas! You are firmly at the controls.
  • Control and Monitor
    With the G-SPEAK Classic+, we’re giving you the ability to monitor plus control up to four channels, independently configurable as either inputs or outputs. Now that’s the kind of arithmetic we like!

• Receive SMS notifications* on your phone of:

   - Gate left open
   - Infrared safety beams obstructed
   - Alarm activated
   - Mains failed

• Control* up to four different electrical devices via a missed call (free) or SMS:

   - Open your gate from anywhere in the world
   - Switch a pool pump on and off
   - Control a geyser or generator
   - Activate irrigation systems
   - Switch on lights
   - Arm an alarm

*Certain functionality may require additional interface devices such as relays, isolators, etc.

  • Easy, fast and secure setup
    Your new or existing G-SPEAK Classic+ intercom system can be effortlessly configured and administered via SMS commands sent directly from your mobile phone.
  • Your voice will be heard!
    And so will the voices of your visitors! G-SPEAK delivers crystal-clear speech quality thanks to state-of-the-art GSM technology.
  • Weatherproof enclosure for greater reliability
    The G-SPEAK Calling Module boasts an impressive IP55 rating, making it perfect for outdoor use. Mother Nature keeps on knocking but she can't come in - a tough-as-nails ABS plastic housing makes sure of that.
  • Compact design
    The combination of your intercom and your gate forms a welcoming committee for visitors, so you want to be sure that it looks good. The G-SPEAK Calling Module has an attractive, compact design making for an aesthetically pleasing installation. A white LED backlight makes for beautiful low-light visibility of the Calling Module.


View Technical Details


G-SPEAK Classic+ Technical Data
Data Description
Input voltage

10 - 30V DC

Current Draw

Quiescent: 30mA

Maximum: 300mA

Call buttons on Calling Module 2
Call confirmation at Calling Module


Speech volume

Adjustable at Calling Module using call buttons

Wiring requirements (between Calling Module and Controller)

6 wires, min 0.2mm2

Maximum 10m between Calling Module and GSM Controller

Channels 4 - Individually configurable as inputs or outputs
Output pulse time range 0.1s - 24 hours (in milliseconds)
Network compatibility 2G GSM 850/900/1800/1900MHz
SIM card required Yes - voice and data services must be activated
Airtime required Yes
Over-the-air firmware loading Yes
Operating temperature -20°C - +50°C
Calling Module illumination Call buttons with backlit white LEDs
Housing material ABS
IP rating IP55
Surge protection Yes



G-SPEAK Classic and G-SPEAK Classic+ Functional Specifications

Ability to switch/monitor devices and functions

1 output to activate device/function

4 inputs/outputs to activate or monitor devices/functions (individually configurable)

Number of users

• Up to 2 Voice Phones, plus
• Up to 10 Switch Phones

• Up to 4 Voice Phones (two per call button), plus
• Up to 100 Switch Phones

Special functionality


• Talk Mode (SMS via Voice Phone)
• Listen Mode (SMS via Voice Phone)
• SMS activation of outputs
System status and settings query Yes, via SMS (SMS via Voice Phone)




>>Related Products
POLOphone (Domestic/Small Commercial)
G-SPEAK CLASSIC (Base model)
G-SPEAK Installation Manual (1.96MB)
G-SPEAK GSM Intercom Brochure (535KB)
G-SPEAK Classic and Classic+ GSM Intercom Brochure Spanish (1.27MB)
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