42 Development of voluntary standards for interoperability, compatibility, reliability, performance, safety, and security of mobile wireless devices and Internet of Things (IoT) devices for use in telecommunications networks, mobile wireless networks, and cellular networks; Development of voluntary standards for interoperability, compatibility, reliability, performance, safety, and security of mobile wireless devices and Internet of Things (IoT) devices for use and deployment in connected wireless infrastructure and in IoT deployments on cellular networks; Development of voluntary standards for interoperability, compatibility, reliability, performance, safety, and security of mobile wireless devices and Internet of Things (IoT) devices for use and deployment in critical infrastructure and in the connected infrastructure of utilities service providers; Development of voluntary standards for mobile wireless products and services; Development of voluntary standards for telecommunications products and services; Development of voluntary standards for Internet of Things (IoT) products and services; Developing quality control standards for interoperability, compatibility, reliability, performance, safety, and security of mobile wireless devices and Internet of Things (IoT) devices for use in telecommunications networks, mobile wireless networks, and cellular networks; Developing quality control standards for interoperability, compatibility, reliability, performance, safety, and security of mobile wireless devices and Internet of Things (IoT) devices for use and deployment in connected wireless infrastructure and in IoT deployments on cellular networks Developing quality control standards for wireless industry for assuring wireless devices and Internet of Things (IoT) devices are network-ready and perform optimally on mobile wireless networks, cellular networks, and telecommunications networks; Development and establishment of testing specifications and procedures for the mobile wireless industry; Development and establishment of testing specifications and procedures for the wireless telecommunications industry; Development and establishment of testing specifications and procedures for interoperability, compatibility, reliability, performance, safety, and security of mobile wireless devices and Internet of Things (IoT) devices for use and deployment in critical infrastructure and in the connected infrastructure of utilities service providers; Testing, analysis and evaluation of the goods of others to determine conformity with certification standards; Testing, analysis, and evaluation of the goods of others to assure compliance with industry standards; Scientific and technological services, namely, scientific research, analysis, and testing for interoperability, compatibility, reliability, performance, safety, and security of mobile wireless devices and Internet of Things (IoT) devices for use and deployment in critical infrastructure and in the connected infrastructure of utilities service providers; Testing the functionality of apparatus and instruments; Testing, analysis, and evaluation of the goods of others to assure compliance with industry standards; Testing, analysis, and evaluation of cellular enabled internet of things (IoT) devices and equipment to assure compliance with industry standards;