No Serial to 4G

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{"cid":"130183","pid":"23333003","pimg_url":"\/\/img1.tradegrowthhub.com\/ae\/1f\/3d58eca58a96\/product\/79569701_s-w400xh400.jpg","name":"485 Dtu Wireless Transmission Factory Remote Terminal Unit Rtu Rs232 Gsm Module ZHC4921 Modem Serial Transparent To Gprs IOT Router 123","attrs":{"Price":"Negotiable","MOQ":"1.0 Pieces","Delivery Time":"Negotiable","Brand":"IOTRouter"}}

{"cid":"130183","pid":"23332988","pimg_url":"\/\/img1.tradegrowthhub.com\/ae\/1f\/3d58eca58a96\/product\/79569657_s-w400xh400.jpg","name":"485 transparent gateway 4g industrial DTU RTU ZHC4921 GSM\/GPRS\/3G\/4G M2M IOTRouter 126 radio transmission lora\/rs485\/iot","attrs":{"Price":"$77.00(1 - 29 Pieces) $75.00(30 - 99 Pieces) $74.00(>=100 Pieces)","MOQ":"1.0 Pieces","Delivery Time":"Negotiable","Brand":"IOTRouter"}}

{"cid":"130183","pid":"23332967","pimg_url":"\/\/img1.tradegrowthhub.com\/ae\/1f\/3d58eca58a96\/product\/79569566_s-w400xh400.jpg","name":"Transparent 485 Wireless Transmission Serial To Wifi Ethernet Converter RTU M2M Gsm Module Wireless Temp& Humidity Data Transmission Modem ZHL4921W IOT Router 166","attrs":{"Price":"Negotiable","MOQ":"1 Piece","Delivery Time":"Negotiable","Brand":"IOTRouter"}}

{"cid":"130183","pid":"23332944","pimg_url":"\/\/img1.tradegrowthhub.com\/ae\/1f\/3d58eca58a96\/product\/79569476_s-w400xh400.jpg","name":"485 4G DTU transparent wireless transparent 4G DTU module 232\/485 communication serial port transmission IoT transparent module ZHC4012","attrs":{"Price":"$58.00(1 - 29 Pieces) $53.00(30 - 99 Pieces) $50.00(>=100 Pieces)","MOQ":"1 Piece","Delivery Time":"Negotiable","Brand":"IOTRouter"}}