Have a phone you love? Get up to $500 when you bring your phone.
$500 via Verizon e-gift card (sent w/in 8 wks). Activation of 4G LTE/5G phone on select Unlimited plans req'd. Line 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..
It would probably be cheaper to replace the modem. Check to see if you are eligible for an upgrade or if you have a insurance. You can also check ebay to see if they have spare parts, but I would think that is more trouble then it is really worth.