Table 11. WWAN module specifications (continued)Description Option one Option two● GPS/GLONASS/Beidou/Galileo ● WCDMA/HSPA+● GPS/GLONASS/Beidou/GalileoEncryption Not supported Not supportedGlobal Navigation Satellite System(GNSS) Supports GPS, and GLONASSLocation sensor and NMEASupports GPS, and GLONASSLocation sensorNOTE: For instructions on how to find your computer's IMEI (International Mobile Station Equipment Identity) number,see the knowledge base article 000143678 at www.dell.com/support.AudioThe following table lists the audio specifications of your Latitude 7330 Rugged Extreme.Table 12. Audio specificationsDescription ValuesAudio controller Realtek ALC3254Stereo conversion SupportedInternal audio interface High definition audioExternal audio interface Headset (headphone and microphone combo) portNumber of speakers TwoInternal-speaker amplifier Supported (audio codec integrated)External volume controls Keyboard shortcut controlsSpeaker output:Average speaker output 2 WPeak speaker output 2.5 WSubwoofer output Not supportedMicrophone Dual-array microphonesStorageThis section lists the storage options on your Latitude 7330 Rugged Extreme.Your computer supports one of the following configurations:● One M.2 2230/2280 solid-state drive (Class 35 or Class 40)Table 13. Storage specificationsStorage type Interface type CapacityM.2 2230 solid-state drive PCIe 3 Gen x4 NVMe, Class 35 Up to 1 TBSpecifications of Latitude 7330 Rugged Extreme 17