LZN777 Series

The LZN777 Series is a DTU device for wireless data transmission terminal of Internet of Things. It can be used to connect the serial signals of instruments and meters for wireless transmission.
With the convenient access to the network, LZN777 can be widely applied in industry, agriculture, environment and other fields using wireless transmission. Along with the rise of the Internet, the measurement data can be remotely monitored and analyzed via mobile phone, pad and computer.

Category:
  • Industrial wireless data terminal with wide signal coverage
  • Stable & reliable, simple & flexible networking, data transfer delay <1s
  • With the supply of TTL, RS232 & RS485 communication interface
  • Data transmission between converter and server with the built-in protocols of TCP/IP
  • Point-to-point& one-to-multi point data transmission
  • The data terminal has the merit of always on line
  • Function of reconnecting and restarting after the connection is broken
  • Support VPN operation
  • Support the application of building user’s own system
  • 128 devices can be online simultaneously
Data Rate : 300-115200 bps (115200 bps of default)
Serial Port Cache : 10 KB
SIM Size : Standard SIM (15 * 25 mm)
Operating Frequency : 4G, 3G, 2G
Transmission Range : Global frequency band
Communication Mode
GE : Europe, Middle East, Africa, Korea,
South-East Asia, India
GA : North America
GV : Verizon USA
GU : Latin America, Australia, New Zealand
Taiwan
GT : Telstra Australia
GJ : Japan
GC : China (except for Telecom 2G, 3G)
GH : Honkong, Macao
Wireless Connector : SMA-K (Female)
Interface : RS485 (MODBUS)
: RS232
: TTL
Indicator Light : Operational status, fault indication
Device : 128 (at most)
Data Transfer Delay : <1 s
Data Transfer Mode : Point-to-point / one-to-multi point
Power Supply : 8-28 VDC
Power Consumption
Average Current : 40 mA@+24V (transmitting)
: 20 mA@+24V (idle)
Working Temperature : -20~60 °C
Humidity : Max. 90%
Storage Temperature : -30~70 °C
Protection Class : IP30
Housing Material : Aluminum alloy
Installation : Wall mounting
Size : 92 * 64 * 26 mm
Weight : 0.2 kg
Accessory : AST777
: Magnetic antenna (1.5 m)
: Power adapter
: USB cable
Software : Parameter setting software
Function : Parameter management
Operating System : All Windows system

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