Shield Tech Security

Phone Line or VOIP Alarm Starting at $134.95 Use your existing landline or cable company VOIP phone line for professional or self-monitoring. 5G Cellular Alarm Starting at $249.95 Unlimited AT&T or T-Mobile service for only $7.50/month. Add Smart Phone Control for only $1 more! Cellular & Internet Alarm Starting at $244.95 Use our internet cloud service for only $2.69/mo. to text or ring your phone through the internet. Cellular Alarm Starting at $89.99 Use T-Mobile's prepaid cellular service for only $3/mo. or add an additional  line to your family plan. Phone Line Alarm Starting at $74.95 Use your existing landline for low cost professional monitoring or monitor it yourself for free! Phone Line/VOIP Alarm Starting at $124.95 Use your existing landline or cable company VOIP phone line for professional or self-monitoroing.