$500 via Verizon e-gift card (sent w/in 8 wks). Activation of 4G LTE/5G phone on 5G Get More plan req’d. Device must remain active for 45 days. $500 charge back if service cancelled w/in 12 mos or eligibility req’s are no longer met. See vzw.com/bring-your-own-device for details.
From the Dell Mobile Broadband Card utility, there is a button to disable the radio. Alternatively you can disable the device directly in Device Manager under modems where it's probably listed as Dell Wireless 5700 Mobile Broadband (CDMA EV-DO) Minicard.