rs485 to 4g iot mqtt router

{"cid":"91199119","title":"Rs485 To 4G Modbus IOT MQTT Router","imgUrl":"https:\/\/img.ismap.com\/nimg\/9d\/f7\/158c8201fc51bce66f6e32381f60-200x200-1.jpg","attrs":{"Price":"USD85~89\/PCS","Brand Name":"IOTROUTER","Model Number":"ZHL4921W","Minimum Order Quantity":"1PCS","Delivery Time":"3 WEEKS","Certification":"FCC ROHS CE","Place of Origin":"SICHUANG, CHINA","Payment Terms":"L\/C, T\/T, Western Union","Supply Ability":"50000PCS\/MONTH","Packaging Details":"270*180*55mm Carton Package","Chipset":"QUECTEL-EC20","Ports":"DI*2 DO*1 AI*1","Transmission Rate":"921600Kbps","Product Name":"Modbus MQTT Protocol IOT Router","System":"Linux","Working Voltage":"12V","Module Type":"4G LTE","Material":"Galvanized Steel Sheet","Size":"160x96x28mm","Main Function":"Data Transmission","OEM":"Support"}}

{"cid":"91200384","title":"ADW310 IoT 1-phase Wireless Smart Energy Meter","imgUrl":"https:\/\/img.ismap.com\/nimg\/db\/9e\/5fe96827d5617972761ff1f4f66a-200x200-1.jpg","attrs":{"Brand Name":"Acrel","Model Number":"ADW310","Minimum Order Quantity":"1 pc","Delivery Time":"2-3 days","Place of Origin":"China","Payment Terms":"T\/T","Supply Ability":"1000pcs\/day","Packaging Details":"cartoon","Rated Voltage":"220~264Vac L-N","Reference Frequency":"45~65Hz","Power Consumption":"\uff1c0.5VA (each Phase)","Rated Current":"20(100)A AC","Phase Wiring":"1-phase 2-wire"}}