GPRS (2G) communicator

Package dimensions:
Package weight:

Product identification: VBG

The VBG communicators enable any kind of control panels with telco interface, to report to IP based monitoring centrals via the mobile internet network.

Product highlights

  • Immediate two-way transmission (Contact ID)
  • Telco (VBG) and serial (VBG-S) interface versions
  • Sending to two monitoring stations through GPRS
  • Backup/Parallel operation modes
  • Remote programming (with SMS)
  • SMS forwarding to given mobile phone
  • Encrypted communication (AES-128)
  • Local configuration through USB
  • Two inputs with configurable event codes
  • 8/16 inputs extension with IO-84 module (VBG-S, optional)
  • Firmware update function
  • CE declaration, ISO 9001:2009 certificate
  • Made in EU, excellent product support

Accessories included

  • 3dB antenna with 1m cable (ANT-LTE3)
  • 4pcs of self-adhesive spacers


The VBG communicator is recommended for security applications where alarm transmission must be provided on mobile internet network. The main reporting channel is GPRS (with GSM backup). GSM channel can be used as a backup, in case the GPRS network fails, or in parallel (report both on GPRS and GSM) as well. VBG means the proper security solution in a cost-effective way.
Technical data
Supply voltage10.5 V - 15.0 V DC
Standby current120 mA
Maximal current500 mA
Operating temperature0 °C - +50 °C
Number of I/Os2 (programmable)
Communication parameters
Modem typeQuectel M95FA
Frequency band850/900/1800/1900 MHz @ GPRS
Interface options
ProgrammingUSB, IP (EniTerm)
USBUSB 2.0 (FT230X interface)
Extra parameters
Event bufferup to 64 events
Miscellaneous data
Size (W/L/H)72 x 118 x 34 mm
Weight85 g
Casingnone (PCB)

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NoteNameDescriptionDateVersionDownload PDF

VBG manualTelepítői kézikönyv (angol)2019-02-23Telepítői kéz

vbgiot_l129a.botVBG Nb/IoT latest firmware2021-06-17L129a

vbgiot_k521g.botVBG NB-IoT firmware K521g2020-07-06IoT/K521g

vbg_k521e_nc.botVBG/2G firmware K521e2020-06-16K521e

FTDI USB driverWindows driver for FT232 and FT230X2018-12-202.12.18

FTDI COMx IgnoreUtility to stop COM ports incremental numbering2018-12-20-

Address: 611. Üllői str. Budapest, 1182

Phone: +36 1 297 5125

Fax: +36 1 294 2928

Email: mail@villbau.com

Where to find us

47.436751 N

19.1927923 E

Opening hours

Monday-Thursday: 8am – 5pm

Friday: 8am – 3pm

Saturday-Sunday: CLOSED