class 1 iot gateway with 50 60hz frequency

{"cid":"91198971","title":"Measurement Accuracy Class 1 0 IOT Gateway Offering Frequency 50-60Hz Operation Temperature -25C-70C Sensor Data Collection","imgUrl":"https:\/\/img.chinax.com\/nimg\/cb\/9d\/95716cbeff1c6de382deb8a30068-200x200-1.jpg","attrs":{"Brand Name":"stron","Model Number":"STC18-A","Place of Origin":"China","Application":"Utility","Operating Voltage":"5V","Keyword":"Oem 4g\/2G Ble Gateway","Waterproof":"IP54","Measurement Accuracy":"Class 1.0","Range":"1000m","Transmitting Power":"20dBm (max)","Frequency":"50-60Hz"}}

{"cid":"91201147","title":"LETARON Smart Cabinet LED Light 90W 24V UL Listed Constant Voltage LED Driver with IOT Smart Control Box","imgUrl":"https:\/\/img.chinax.com\/nimg\/9b\/c1\/6df07858b639b9ad6937dc231cf6-200x200-1.jpg","attrs":{"Price":"USD13.85\/pcs","Brand Name":"LETARON","Model Number":"AED90-24V-SG","Minimum Order Quantity":"1000","Delivery Time":"25-35 days","Certification":"CB\/CE\/UL\/SAA\/UKCA\/ENEC\/SAA","Place of Origin":"CHINA","Payment Terms":"T\/T","Supply Ability":"15 Million sets per Year","Packaging Details":"PE bag & Carton","Input Voltage":"120-240VDC","Power":"90W","Dimensions":"241*60*20mm","Output Voltage":"24V","IP Rate":"IP20"}}