AST777 Series

The AST777 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, AST777 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.

FEATURES

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

SPECIFICATION

Data Rate:	Power Supply:
300-115200 bps (115200 bps of default)	8-28 VDC
Serial Port Cache:	Power Consumption:
10 KB	Average Current
SIM Size:	40 mA@+24V (transmitting)
Standard SIM (15 * 25 mm)	20 mA@+24V (idle)
Operating Frequency:	Working Temperature:
4G, 3G, 2G	-20~60 ^oC
Transmission Range:	Humidity:
Global frequency band	Max. 90%
Communication Mode:	Storage Temperature:
GE	-30~70 ^oC
Europe, Middle East, Africa, Korea, Thailand	Protection Class:
India	IP30
GA	Housing Material:
North America	Aluminum alloy
GV	Installation:
Verizon USA	Wall mounting
GU	Size:
Latin America, Australia, New Zealand	92 * 64 * 26 mm
Taiwan	Weight:
GT	0.2 kg
Telstra Australia	Accessory:
GJ	AST777
Japan	Magnetic base antenna (1.5 m)
GC	Power adapter
China (except for Telecom 2G, 3G)	USB cable
GH	Software:
Honkong, Macao	Parameter setting software
Wireless Connector:	Function
SMA-K (Female)	Parameter management
Interface:	Operating System
RS485 (MODBUS)	All Windows system
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