rs485 to 4g 12 channel mqtt modem

{"cid":"91199119","title":"Rs485 To 4g 12 Channel MQTT Modem JSON Protocol Wireless Transceiver Module","imgUrl":"https:\/\/img.chinax.com\/nimg\/c0\/a0\/2bbbae6c8856e9ccc65da9bd75e2-200x200-1.jpg","attrs":{"Price":"USD55~59\/PCS","Brand Name":"IOTROUTER","Model Number":"ZHC493C","Minimum Order Quantity":"1PCS","Delivery Time":"1 WEEK","Certification":"CE FCC RoHs","Place of Origin":"Sichuan, CHINA","Payment Terms":"L\/C, T\/T, Western Union","Supply Ability":"50000PCS\/MONTH","Packaging Details":"270*180*55mm CARTON PACKAGE","Material":"Galvanized Steel Sheet","Interface":"RS485\/2DI\/1DO\/1AI","Protocol":"MODBUS TCP\/RTU MQTT JSON","Product Name":"Rs485 To 4g 12 Channel MQTT Modem","Function":"Analog Acquisition","Application":"Wireless Communication Between Sensor And Server","Working Voltage":"12V","Module Type":"4G LTE","OEM":"Support","Color":"Black"}}