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AST777 Series |
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The AST777 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, 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. |
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| FEATURES |
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 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
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| SPECIFICATION |
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| 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 |
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| TTL |
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| Indicator Light: |
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| Operational status, fault indication |
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| Device: |
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| 128 (at most) |
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| Data Transfer Delay: |
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| <1 s |
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| Data Transfer Mode: |
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| Point-to-point / one-to-multi point |
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