Cellular & Internet Adapters

All Products: 112 of 14
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  • AT&T Pre-Paid SIM Card (Triple Cut: Standard, Micro, Nano)
    • 20% less than eBay

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

    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
    • $12.00
    • Ebay/Amazon Price: $15.00, You save $3.00
  • 4G Cellular Dialer for Self or Professional Monitoring Alarm System 4G/3G WCDMA Fixed Terminal
    • 4% less than eBay

    4G Cellular Dialer for Self or Professional Monitoring Alarm System 4G/3G WCDMA Fixed Terminal

    Compatibility: Regular phone line devices

    • Turns a landline alarm or phone into a cellular device
    • Supports T-Mobile & AT&T Service
    • Supports Contact ID & Voice Calls
    • Automatic Failure Reset
    Not rated yet
    • $109.95
    • Ebay/Amazon Price: $114.95, You save $5.00
  • 4G Cellular Dialer for Self or Professional Monitoring Alarm System 4G/3G WCDMA Fixed Terminal
    • 4% less than eBay

    4G Cellular Dialer for Self or Professional Monitoring Alarm System 4G/3G WCDMA Fixed Terminal

    Compatibility: Regular phone line devices

    • Turns a landline alarm or phone into a cellular device
    • Supports T-Mobile, Ultra Mobile, & AT&T Service
    • Supports Contact ID & Voice Calls
    • Compatible with the Cornell 4800 system
    Not rated yet
    • $109.95
    • Ebay/Amazon Price: $114.95, You save $5.00
  • 4G Cellular Dialer for Self or Professional Monitoring Alarm System 4G/3G WCDMA Fixed Terminal
    • 2% less than eBay

    4G Cellular Dialer for Self or Professional Monitoring Alarm System 4G/3G WCDMA Fixed Terminal

    Compatibility: Regular phone line devices

    • Turns a landline alarm or phone into a cellular device
    • Supports T-Mobile & AT&T Service
    • Supports Contact ID & Voice Calls
    • Automatic Failure Reset
    Not rated yet
    • $112.95
    • Ebay/Amazon Price: $114.95, You save $2.00
    Special Order Item. (7-10 Days)
  • 2G GSM Cellular Dialer for Self or Professional Monitoring Alarm System Fixed Terminal
    • Free shipping
    • 43% less than eBay

    2G GSM 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 T-Mobile & Providers Using T-Mobile Towers
    • Supports Contact ID & Voice Calls
    • Automatic Failure Reset
    Not rated yet
    • $39.95
    • Ebay/Amazon Price: $69.95, You save $30.00
    Only 2 left in stock.
  • 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.+tax)
    • Prepaid plan includes 30 mins/text per month; (overages 10¢)
    • Includes FREE Activation (Anytime before 10/27/2021)
    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 ($3/mo.+tax)
    • Prepaid plan includes 30 mins/text per month; (overages 10¢)
    • Includes FREE Activation (Anytime before 10/27/2021)
    Not rated yet
    • $15.00
    • Ebay/Amazon Price: $15.95, You save $0.95
  • 3G/4G LTE Mini M2M Cellular Communicator (Phone Line to Cellular for Alarm System)
    • Free shipping
    • 7% less than eBay

    3G/4G LTE Mini M2M Cellular Communicator (Phone Line to Cellular for Alarm System)

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

    • Can only be used with Professional Monitoring.
    • Converts analog phone signals to cellular internet data transmissions.
    • Optional Phone App Alarm Control, Push Notifications, & Text Messaging.
    • Compatible with other alarms - DSC, Honeywell, Interlogix, Paradox, Napco, etc.
    Score: 5.00 (votes: 1)
    No reviews.
    • $129.95
    • Ebay/Amazon Price: $139.95, You save $10.00
  • Linksys Digital Broadband Adapter - (Phone Line to Internet Adapter for Alarm System)
    • 54% off

    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
    • $59.95
    • Ebay/Amazon Price: $129.99, You save $70.04
    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
  • VONETS Mini Wifi Bridge Repeater
    • 20% 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
    • $20.00
    • Ebay/Amazon Price: $25.00, You save $5.00
  • 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
All Products: 112 of 14