4gnext 2 E0571d2cabefdafa6b13ba7e8403757c

All the advantages of the 2G - 3G - 4G nets. 

4G.next is a device that, connected to a fixed telephone or to the PSTN input terminals of a PABX or autodialer, allows you to make and receive calls over the 4G LTE/UMTS/GSM networks.

The 4G.next gateway comes with built-in backup batteries and a relay output which can be activated either locally or remotely via SMS.

The 4G.next gateway comes with a female DB-9 connector for data transmission and a micro USB A/B port for direct connection to the 4G LTE/UMTS/GSM module.

4G.next ensures the perfect voice transmission over LTE line and the highest data transmission speed thanks to the COMNet cloud platform. Equipped with configurable  I/O, RS-232/485/CAN-Bus ports, is the right solution for the complete connectivity and the utmost flexibility.

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Also available in the VOICE version, without serial port (5IG-045: 4G.next Voice).

5IG-040; 5IG-045


  • Voice and data transmission over 2G/3G/4G nteworks
  • Data transmission (RS-232, RS-485 or CAN-bus standards)
  • E-mails transmission by devices wired into the DB-9 connector under RS-232, RS-485 or CAN-bus standard
  • Parametrs programming and reading via SMS/QR-Code
  • Data connection and voice call simultaneously
  • 3G/2G fallback
  • Periodic test
  • Advanced device and radio cell parameters check
  • Programming modes: telephone, PC with e-stant software, SMS/data via server COMNet
  • Notifications in case of anomalies of the elevator's controller
  • Cost reduction and data transmissione service via COMNet platform
  • Transparent data transmission in standard RS-232, RS-485 or CAN-Bus via COMNet PC Client software
  • Enhanced battery control
  • 1 programmable relay
  • Remote monitoring independently from proprietary protocols
  • GSM-signal / power-failure alert 
  • High transmission speed and low consumption
  • Programmable with e-stant software
Hardware and Software design and development carried out at the Esse-ti Research Center. 100% made in Italy.


  • Modulo: 4G LTE/UMTS/GSM Dual Band
  • DB9 connector for data transmission in standard RS-232, RS-485, CAN Bus
  • Power supply: from 10 to 17 Vdc
  • Power supply input: terminal block or jack for 230 Vac external adapter
  • Back up batteries: NiMH 800 mAh
  • Batteries duration: 8 h in stand by; 2 h in conversation
  • Transmission power: 1 W: 1800 Mhz, 2 W: 900 Mhz
  • LED signalling 4G LTE/UMTS/GSM signal strenght (green)
  • 4G LTE/UMTS/GSM signal indicator flash
  • LED signalling operation status (red)
  • LED signalling line status / data transmission (white)
  • LED signalling power supply status (blue)
  • Telephone line output: terminal block or RJ-11 connector
  • SIM card slot: 2FF, built-in
  • Relay output: 1 (24V 1A)
  • Antenna with metal base and extensin cable L= 2 m
  • External adapter: input 230 Vac 50 Hz; output 12 Vdc 500 A
  • Dimensions (without antenna): 140 x 96 x 28 mm
  • Weight: 220 g


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