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ZHC2921
ZHC2921

Product DescriptionZHC2921 2g m2m modem support modbus rtu gsm module IOT Router 52 in stock for SensorsSelf-built serverIf you have your own serversZHC2921 can communicate directly with the client se

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Product Description


MetInfo enterprise content manager system | MetInfo CMS

MetInfo enterprise content manager system | MetInfo CMS

MetInfo enterprise content manager system | MetInfo CMS

MetInfo enterprise content manager system | MetInfo CMS

MetInfo enterprise content manager system | MetInfo CMS

ZHC2921 2g m2m modem support modbus rtu gsm module IOT Router 52 in stock for Sensors


Self-built server


If you have your own servers

ZHC2921 can communicate directly with the client server after simply configured. The ZHC2921 follows the Modbus RTU/TCP protocol and also supports 485-channel transparent transmission protocols. 

MetInfo enterprise content manager system | MetInfo CMS

ZHC2921 2g m2m modem support modbus rtu gsm module IOT Router 52 in stock for Sensors


If you don't have a Cloud Server


When some customers use the configuration software, they can't directly connect the PC and S485. The ZHC2921 supports the ZH-Cloud transmission. The customer only need to install the virtual serial port, the data of the ZHC2921 can be forwarded to the local serial port of the PC, which is more convenient and quick.

(Also applicable to scenarios without a cloud server)

MetInfo enterprise content manager system | MetInfo CMS

ZHC2921 2g m2m modem support modbus rtu gsm module IOT Router 52 in stock for Sensors


Configuration software docking


ZHC2921 has an RS485 interface, which supports the standard modbus RTU/TCP protocol. The
configuration software can directly read and command the ZHC2921 through the RS485 interface.

MetInfo enterprise content manager system | MetInfo CMS

ZHC2921 2g m2m modem support modbus rtu gsm module IOT Router 52 in stock for Sensors


The ZHC2921 supports networking functions and supports one-to-one and multiple-to-one networks. This need is very practical for some specialization scenarios.

The ZHC2921 supports networking functions and supports one-to-one and multiple-to-one networks. This need is very practical for some specialization scenarios.


Analog auto-calibration threshold reporting.

The ZHC2921 presets the analog linear calibration parameter value, the user only needs to modify the k/b value to achieve the linear calibration effect. In addition, the effect of analyzing the analog data can be realized by adjusting the k/b value, and the threshold will be reported.


MetInfo enterprise content manager system | MetInfo CMS

MetInfo enterprise content manager system | MetInfo CMS

Product Applications


ZHC2921 2g m2m modem support modbus rtu gsm module IOT Router 52 in stock for Sensors

DTU/RTU Modem is required in many places. Such as factory reservoirs, reservoirs for irrigation of farmland, water towers for water supply, water levels for rivers, etc. It is important to monitor the water level remotely. ZHC2921 2g m2m modem support modbus rtu gsm module IOT Router has a built-in GPRS module that can receive the water level value returned by the water level detector and transmit the data to the monitoring center. 

Complete the on-site data acquisition and upload function with the water level detector. Suitable for complex terrain and remote mountainous conditions, it can be used in pool water level monitoring, water tower water level monitoring, water tank water level monitoring, reservoir water level monitoring, river water level monitoring, natural gas storage tank liquid level monitoring, and oil storage tank liquid level monitoring.

MetInfo enterprise content manager system | MetInfo CMS

MetInfo enterprise content manager system | MetInfo CMSMetInfo enterprise content manager system | MetInfo CMSMetInfo enterprise content manager system | MetInfo CMS

Product packaging


MetInfo enterprise content manager system | MetInfo CMS


MetInfo enterprise content manager system | MetInfo CMS

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