115200bps serial to 4g iot router

{"cid":"91199119","title":"Network Port Serial To 4G IOT Router GPS Location For Remote Monitoring","imgUrl":"https:\/\/img.chinax.com\/nimg\/41\/12\/7351ddb560e4a3dc63e2d9804e71-200x200-1.jpg","attrs":{"Price":"USD85~89\/PCS","Brand Name":"IOTROUTER","Model Number":"ZHL4921G","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":"Serial To 4G IOT Router","System":"Linux","Working Voltage":"12V","Module Type":"4G LTE","Material":"Galvanized Steel Sheet","Size":"160x96x28mm","Main Function":"Wireless Data Transmission","Customized":"Support"}}

{"cid":"91225511","title":"System Integration WiFi6 Wireless Iot Router with RS485 and RS232","imgUrl":"https:\/\/img.chinax.com\/nimg\/62\/b0\/c08610afbe712c6d1fd2b4c836b2-200x200-1.jpg","attrs":{"Price":"US $1-100 \/ Piece","Minimum Order Quantity":"1 Piece"}}