Cellular & Internet Adapters

All Products: 112 of 16
Drop items here to shop
Product has been added to your cart
  • 4G VoLTE Cellular Dialer for Self or Professional Monitoring (Alarm Systems, Elevators, & Phones)
    • 3% less than eBay

    4G VoLTE Cellular Dialer for Self or Professional Monitoring (Alarm Systems, Elevators, & Phones)

    Compatibility: Regular phone line devices

    • Turns a landline alarm or phone into a cellular device
    • AT&T, T-Mobile, & Ultra Mobile // 4G, LTE, VoLTE
    • Supports Contact ID & Voice Calls
    • Compatible with the Cornell 4800 system
    Not rated yet
    • $154.95
    • if ordered online. Order by phone: $159.95, Save $5.00
  • 4G LTE Verizon Network Cellular Dialer for Self-Monitoring Alarm System Fixed Terminal
    • 4% less than eBay

    4G LTE Verizon Network Cellular Dialer for Self-Monitoring Alarm System Fixed Terminal

    Compatibility: Regular phone line devices

    • Turns a landline alarm or phone into a cellular device
    • Verizon Towers - Unlimited Minutes - No Contracts
    • Only $15/Mo.+tax (Uses 3rd Party Billing)
    • Self-Monitoring Only; Does not support Contact ID
    Not rated yet
    • $134.95
    • if ordered online. Order by phone: $139.95, Save $5.00
  • Ultra Mobile Pre-Paid SIM Card (Triple Cut: Standard, Micro, Nano) for T-Mobile Network
    • 5% less than eBay

    Ultra Mobile Pre-Paid SIM Card (Triple Cut: Standard, Micro, Nano) for T-Mobile Network

    Compatibility: Any Unlocked T-Mobile Compatible Device (Alarm List in Description)

    • Required to obtain cellular service through UltraMobile
    • Pre-paid account ($3/mo.)
    • Includes 100 mins, 100 texts, & 100 megs per month; (overages 3¢/1¢)
    • Includes activation & 30-days of service from date activated
    Not rated yet
    • $34.95
    • if ordered online. Order by phone: $36.95, Save $2.00
  • Ultra Mobile Pre-Paid SIM Card (Triple Cut: Standard, Micro, Nano) for T-Mobile Network [1-Year Service Included]
    • 1% less than eBay

    Ultra Mobile Pre-Paid SIM Card (Triple Cut: Standard, Micro, Nano) for T-Mobile Network [1-Year Service Included]

    Compatibility: Any Unlocked T-Mobile Compatible Device (Alarm List in Description)

    • Required to obtain cellular service through UltraMobile
    • Pre-paid account ($3/mo.)
    • Includes 100 mins, 100 texts, & 100 megs per month; (overages 3¢/1¢)
    • Includes activation & 360-days of service from date shipped
    Not rated yet
    • $171.05
    • if ordered online. Order by phone: $173.05, Save $2.00
  • T-Mobile Pre-Paid SIM Card (Triple Cut: Standard, Micro, Nano)
    • 11% less than eBay

    T-Mobile Pre-Paid SIM Card (Triple Cut: Standard, Micro, Nano)

    Compatibility: Any T-Mobile Compatible Device (Alarm List in Description)

    • Required to obtain cellular service through T-Mobile
    • Add to plan or add pre-paid account
    • Includes FREE Activation by phone
    Not rated yet
    • $24.95
    • if ordered online. Order by phone: $27.95, Save $3.00
  • $12/mo. 5G LTE-M Cellular Communicator (Phone Line to Cellular for Alarm System)
    • 8% less than eBay

    $12/mo. 5G LTE-M Cellular Communicator (Phone Line to Cellular for Alarm System)

    Compatibility: All Contact ID or CIA Format Alarms (List in Description)

    • Use with Self-Monitoring & Professional Monitoring.
    • Converts phone line (Contact ID) to cellular data transmissions.
    • Optional Phone App Control, Push Notifications, & Text Messaging.
    • Compatible Shield Tech, DSC, Honeywell, First Alert, Paradox, etc.
    Not rated yet
    • $59.95
    • if ordered online. Order by phone: $64.95, Save $5.00
    Only 7 left in stock.
  • $10/mo. 5G LTE-M Cellular Communicator (Phone Line to Cellular for Alarm System)
    • 6% less than eBay

    $10/mo. 5G LTE-M Cellular Communicator (Phone Line to Cellular for Alarm System)

    Compatibility: All Contact ID or CIA Format Alarms (List in Description)

    • Use with Self-Monitoring & Professional Monitoring.
    • Converts phone line (Contact ID) to cellular data transmissions.
    • Optional Phone App Control, Push Notifications, & Text Messaging.
    • Compatible Shield Tech, DSC, Honeywell, First Alert, Paradox, etc.
    Not rated yet
    • $79.95
    • if ordered online. Order by phone: $84.95, Save $5.00
    Only 7 left in stock.
  • $7.50/mo. 5G LTE-M Cellular Communicator (Phone Line to Cellular for Alarm System)
    • 4% less than eBay

    $7.50/mo. 5G LTE-M Cellular Communicator (Phone Line to Cellular for Alarm System)

    Compatibility: All Contact ID or CIA Format Alarms (List in Description)

    • Use with Self-Monitoring & Professional Monitoring.
    • Converts phone line (Contact ID) to cellular data transmissions.
    • Optional Phone App Control, Push Notifications, & Text Messaging.
    • Compatible Shield Tech, DSC, Honeywell, First Alert, Paradox, etc.
    Not rated yet
    • $129.95
    • if ordered online. Order by phone: $134.95, Save $5.00
    Only 4 left in stock.
  • Linksys Digital Broadband Adapter - (Phone Line to Internet Adapter for Alarm System)
    • 4% less than eBay

    Linksys Digital Broadband Adapter - (Phone Line to Internet Adapter for Alarm System)

    Compatibility: STS-4xx Series Alarms & Contact ID Alarms(Full List in Description)

    • Can only be used with professional monitoring
    • Internet Service is Required

    • This Digital Broadband Adapter (DBA) is used to convert an analog phone signal (Contact ID) though high speed (broadband) internet service.
    Not rated yet
    • $79.95
    • if ordered online. Order by phone: $82.95, Save $3.00
    Only 1 left in stock.
  • VOIP Broadband Adapter - (Phone Line to Internet for Alarm System)
    • 6% less than eBay

    VOIP Broadband Adapter - (Phone Line to Internet for Alarm System)

    Compatibility: Phone Line Alarm Systems

    • Dedicated phone number
    • Internet service is required

    • This VOIP Phone Line Adapter is used to to make phone calls though high speed (broadband) internet service.
    Not rated yet
    • $49.99
    • if ordered online. Order by phone: $52.99, Save $3.00
  • Phone Switch - Primary Phone Line to Cellular Backup
    • 8% less than eBay

    Phone Switch - Primary Phone Line to Cellular Backup

    Compatibility: Phone Line Alarms

    • Allows for Primary Landline & Cellular Backup
    • Automatic line switch when phone line is cut
    • Powered by alarm or separate power adapter
    • Uses standard RJ11 phone jacks
    Not rated yet
    • $34.95
    • $36.95
    if ordered online. Order by phone: $39.95,Save $3.00
  • VONETS Mini Wifi Bridge Repeater
    • 8% less than eBay

    VONETS Mini Wifi Bridge Repeater

    Compatibility: Any Internet Compatible Device (Alarm List in Description)

    • Perfect for Alarm Systems and Wireless Cameras
    • Provides Up To 300Mbps Transmission Rates For Travel, Home, and Office Use
    • Syncs To Your Home Network
    • Complies with IEEE 802.11n, IEEE 802.11g, IEEE 802.11b Standards
    Not rated yet
    • $21.95
    • if ordered online. Order by phone: $23.95, Save $2.00
All Products: 112 of 16