Cellular & Internet Adapters

All Products: 112 of 14
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  • 4G LTE Cellular Dialer for Self or Professional Monitoring Alarm System Fixed Terminal
    • 4% less than eBay

    4G LTE Cellular Dialer for Self or Professional Monitoring Alarm System Fixed Terminal

    Compatibility: Regular phone line devices

    • Turns a landline alarm or phone into a cellular device
    • Supports AT&T Service
    • Supports Contact ID & Voice Calls
    • Compatible with the Cornell 4800 system
    Not rated yet
    • $119.95
    • Ebay/Amazon Price: $124.95, You 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 - $15/Mo. - No Contracts
    • Supports Voice Calls
    • Compatible with the Cornell 4800 system
    Not rated yet
    • $119.95
    • Ebay/Amazon Price: $124.95, You save $5.00
  • Ultra Mobile Pre-Paid SIM Card (Triple Cut: Standard, Micro, Nano) for T-Mobile Network
    • 9% 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 10¢)
    • Includes pre-activation & 30-days of service from date shipped
    Not rated yet
    • $29.95
    • Ebay/Amazon Price: $32.95, You save $3.00
  • T-Mobile Pre-Paid SIM Card (Triple Cut: Standard, Micro, Nano)
    • 6% 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 (Anytime before 10/27/2021)
    Not rated yet
    • $15.00
    • Ebay/Amazon Price: $15.95, You save $0.95
  • AT&T Pre-Paid SIM Card (Select Option: Nano, Micro, Standard)
    • 14% less than eBay

    AT&T Pre-Paid SIM Card (Select Option: Nano, Micro, Standard)

    Compatibility: Any AT&T Compatible Device

    • Required to obtain cellular service through AT&T
    • Used for pre-paid accounts ($25/quarter)
    • Prepaid plan includes 100 mins/text per quarter; (overages 25¢)
    • Pre-Activated (Fund account within 30-Days)
    Not rated yet
    • $29.95
    • Ebay/Amazon Price: $34.95, You save $5.00
  • 5G LTE Mini M2M Cellular Communicator (Phone Line to Cellular for Alarm System)
    • 37% off

    5G LTE Mini M2M Cellular Communicator (Phone Line to Cellular for Alarm System)

    • 5G EarlyBird Sale

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

    • Can only be used with 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.
    Score: 5.00 (votes: 1)
    No reviews.
    • $99.99
    • Ebay/Amazon Price: $159.95, You save $59.96
    Item will ship approximately 5-10 days after purchase!
  • Linksys Digital Broadband Adapter - (Phone Line to Internet Adapter for Alarm System)
    • 20% 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
    • Ebay/Amazon Price: $99.99, You save $20.04
    Only 1 left in stock.
  • VOIP Broadband Adapter - (Phone Line to Internet for Alarm System)
    • 17% 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
    • Ebay/Amazon Price: $59.99, You save $10.00
  • 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
    Ebay/Amazon Price: $39.95,You save $3.00
  • VONETS Mini Wifi Bridge Repeater
    • 4% 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
    • Ebay/Amazon Price: $22.95, You save $1.00
  • 4G/LTE Cellular Antenna (3G/2G GSM/WCDMA Backwards Compatible)
    • 30% less than eBay

    4G/LTE Cellular Antenna (3G/2G GSM/WCDMA Backwards Compatible)

    Compatibility: Supports most cellular dialers

    • Compatible with LTE/4G/3G/2G
    • Short 7.75 inch antenna
    • 6 1/2 foot cord
    • SMA connector (Sub-Miniature A)
    Not rated yet
    • $6.95
    • Ebay/Amazon Price: $9.95, You save $3.00
  • 4G LTE Short Cellular Antenna (3G/2G GSM/WCDMA Backwards Compatible)
    • 17% less than eBay

    4G LTE Short Cellular Antenna (3G/2G GSM/WCDMA Backwards Compatible)

    Compatibility: Supports most cellular dialers

    • Compatible with LTE/4G/3G/2G
    • Short 3.75 inch antenna
    • 3-foot cord
    • SMA connector (Sub-Miniature A)
    Not rated yet
    • $9.95
    • Ebay/Amazon Price: $11.95, You save $2.00
All Products: 112 of 14