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InterCom GSM Monitoring Set - GSM module for voice calls, with speaker and microphone

ASC Global
216€ + VAT ( 274€ )
Availability: In stock
Expected delivery: June 03, 2024

Universal GSM Caller with Speaker and Microphone

This device can be installed behind an existing or custom front panel and operates as a voice-based universal GSM caller.

  • 5 inputs capable of receiving trigger signals
  • Ability to assign 8 notifying phone numbers to the inputs
  • Voice communication is established with the called number through the speaker and microphone
  • 2 relay outputs, controllable during calls with DTMF codes or remotely via call or SMS
  • Outputs can be configured as either bistable or monostable
  • Free gate opening function for 1000 phone numbers with caller ID and unlimited numbers without ID
  • Remote monitoring with SIA DC-09 protocol: sending inputs status, life signals, and proprietary signals
  • Network power supply monitoring with notification sending and uninterruptible operation with optional ProBattery
  • 16,000 event memory and continuous GSM signal strength monitoring
  • Night mode, where only the output can be controlled
  • SMS, PC, and Android programming capabilities
Manufacturer's warranty
Manufacturer's warranty
We offer a min. 2-year manufacturer's warranty on our products
Fast delivery
Fast delivery
We deliver our products from stock with a short deadline
Technical support
Technical support
We provide clear and comprehensive technical support for our products in addition to the English language description and videos
More than 10 years of experience
More than 10 years of experience
We look back on a history of more than 10 years in the production and development of our products
Continuous development
Continuous development
We are constantly developing our products and services, which are also available for our older products
216€ + VAT ( 274€ )


The InterCom GSM Monitoring Set, a unique long-distance communication solution, establishes a connection with the called number via the GSM network, enabling unlimited distance calls to any phone number. We ensure optimal performance by connecting the speaker, microphone, and antenna to the GSM module and strategically placing the wire away from the module to prevent interference.

The InterCom GSM module offers unparalleled flexibility with its five inputs, which can be customized to be either NO/NC type. It allows you to register up to eight phone numbers, which can be assigned to the inputs per your preference. The sensitivity of the inputs is adjustable, with five levels to choose from, ranging between 10 ms and 5 seconds. 

You have full control to specify the number of redials, group calling function, ring time, or even the talk time. If needed, the waiting time between calls can also be set.

The InterCom GSM module has advanced remote monitoring signalling capabilities, supporting Contact-ID, Enigma, and SIA-DC-09 standard protocols. This allows for automatic life sign transmission, power monitoring, or notification sending via GPRS or voice call in response to input signals, ensuring comprehensive control and monitoring.

After accepting a call, we can choose between two output controls, which can be operated using our phone's 4 and 6 keys. We can open the pedestrian gate, the main gate, or even a barrier; however, if we do not want to open the gate, we can hang up the call. The relay outputs can be monostable or bistable, lasting up to 65,000 seconds. The outputs can be controlled with an unlimited number of phone numbers without caller ID and with caller identification, up to 1000 phone numbers. For the control numbers, fixed phone numbers can open the specified output with a ring for free.

The module records 16,000 events in the log, including power outages, output control with caller ID, and input signals with precise timing. If required, the event log can be exported to a file. The device measures and logs the GSM signal strength hourly, which can be displayed graphically using software.

The power monitoring function allows us to be notified via SMS or voice message about power failures. In case of a power outage, a quick-connect Lithium-polymer battery (ProBattery) ensures continuous communication for up to 24 hours.

The programming can be done via a computer (USB, Bluetooth, WIFI) using ProRead software, SMS, or Android (Bluetooth).

InterCom GSM setting

Application areas:

  • Wireless intercom
  • Control: gate, barrier, and garage door opening
  • Monitoring power supply (230V) along with sending notifications about its change
  • Lift caller

InterCom GSM accessories

Product features

Inputs (+ expander): 5
Relayed Outputs (+ expander): 2
Relayed output load: max. 20V@500mA
OC outputs (+ expander):
OC output load:
User phone numbers for sending notifications: 8
User phone numbers for output control: Unlimited / 1000 phone number
Independent signal sending to monitoring centre:

User phone numbers for forwarding incoming SMSs:

Transmission channel: GSM/GPRS
Caller identification:
Alarm centre function (arm/disarm, entry/exit delay)
Selectable 24h zones:
Adjustable input sensitivity:
Configurable inputs (NO/NC):
Independent SMS sending to user phone numbers with customized text:
Monitoring station phone numbers: 2
Periodic test report sending:

Sending recorded voice messages to user phone numbers:

Sending alarm to user phone number with a siren sound:
Inbuilt internal clock:
Event list/number of stored events: 16 000
GSM signal strength monitoring and logging hourly

Translation of Contact ID codes into SMS along with sending it to user phone numbers (Distinguishing 250 events and 250 zones)

Configurable own Contact ID codes:
Telephone line simulation:
PSTN phone line monitoring:

Output activation with free GSM call:

Security SMS password:
Programming software(PC, Android):
Programming method: USB / SMS / Bluetooth / WIFI
Battery connection options:
Power drain (standby/transmitting over GSM): 40mA + external unit current consumption / 400mA + external unit consumption
Simulated line/transmitting over GSM:
Power voltage: 9-24 VDC


Power voltage 9-24 VDC
Standby power drain 40 mA + external unit current consumption
Maximum power drain 400 mA + external unit current consumption
Relay output load max. 20V / 500 mA
GSM module type SIMCOM 900
GSM frequencies GSM 850 / EGSM 900 / DCS 1800 / PCS 1900 (Multi-Band)
SIM card usage brand free GSM module
GSM antenna type SMA connector
Size 78 x 51 x 20 mm, in package:132 x 128 x 32 mm
Operating temperature -20°C – +50°C