Features of RS485 GPRS Modems USR-GPRS232-734
Support:GSM850/900,DCS1800/1900，able to be used around the world
Support GSM/GPRS/EDGE and 2G/3G/4G card, but don’t support 3G/4G network
Each connection support 4KB data cache, when in abnormal connection choosing data cache to avoid data lost
Support sending registration package and heartbeat package data
Support remote configuration via SMS
Support multi work modes: SMS transmission mode, network transmission mode and httpsD mode
Support basic instruction set and extension instruction set
Support establishing, maintaining and closing network connection by using
extension instruction set, more flexibility in application
Support sending Chinese/English SMS via simple instructions, avoiding PDU sending Chinese SMS which complex and hard use
Support class RFC2217,can modify module serial parameter via network dynamically
Support wide voltage 5~36V power supply, using DC power supply and terminal power supply
RS485 circuit using electrical isolation scheme, has anti-interference ability
Application Field of Industrial GSM Modems USR-GPRS232-734
Power industry: power remote meter reading, substation monitoring, power line monitoring
Municipal industry: street lamp remote monitoring management, pipe network remote monitoring, urban energy consumption monitoring
Oil industry:
remote monitoring of oil-gas well, GPRS remote oilfield automation detection monitoring system, Gas pipe network monitoring system solutions
Environmental protection industry: pollution sources
monitoring, atmospheric environment monitoring, noise monitoring, dust
monitoring
Agricultural application: greenhouse remote monitoring and management, aquaculture monitoring management, agricultural water pump monitoring management
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