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Cellular & Internet Adapters

All Products: 1–12 of 15
Show: 12
Sort by: Recommended
Item # Product name   Price  
STS-LTEB 4G VoLTE Cellular Dialer for Self or Professional Monitoring (Alarm Systems, Elevators, & Phones)
  • 3% less than eBay
  • $154.95
    • if ordered online. Order by phone: $159.95, Save $5.00 online!
STS-LTEV 4G LTE Verizon Network Cellular Dialer for Self-Monitoring Alarm System Fixed Terminal
  • 4% less than eBay
  • $134.95
    • if ordered online. Order by phone: $139.95, Save $5.00 online!
STS-SIMU Ultra Mobile Pre-Paid SIM Card (Triple Cut: Standard, Micro, Nano) for T-Mobile Network
  • 5% less than eBay
  • $34.95
    • if ordered online. Order by phone: $36.95, Save $2.00 online!
STS-SIMU-R5 Ultra Mobile Paygo Refill
  • $11.50
  • –
  • $27.25
if ordered online. Order by phone: $0.00,Save − $11.50
STS-SIMT T-Mobile Pre-Paid SIM Card (Triple Cut: Standard, Micro, Nano)
  • 11% less than eBay
  • $24.95
    • if ordered online. Order by phone: $27.95, Save $3.00 online!
MN02-LTE-M-$12 $12/mo. 5G LTE-M Cellular Communicator (Phone Line to Cellular for Alarm System) Only 6 left in stock.
  • 8% less than eBay
  • $59.95
    • if ordered online. Order by phone: $64.95, Save $5.00 online!
MN02-LTE-M-$10 $10/mo. 5G LTE-M Cellular Communicator (Phone Line to Cellular for Alarm System) Only 7 left in stock.
  • 6% less than eBay
  • $79.95
    • if ordered online. Order by phone: $84.95, Save $5.00 online!
MN02-LTE-M-$7.50 $7.50/mo. 5G LTE-M Cellular Communicator (Phone Line to Cellular for Alarm System) Only 3 left in stock.
  • 4% less than eBay
  • $129.95
    • if ordered online. Order by phone: $134.95, Save $5.00 online!
STS-DBA-LINKSYS Linksys Digital Broadband Adapter - (Phone Line to Internet Adapter for Alarm System) Only 1 left in stock.
  • 4% less than eBay
  • $79.95
    • if ordered online. Order by phone: $82.95, Save $3.00 online!
STS-MONSW Phone Switch - Primary Phone Line to Cellular Backup
  • 8% less than eBay
  • $34.95
  • –
  • $36.95
if ordered online. Order by phone: $39.95,Save $3.00
STS-VAP11N VONETS Mini Wifi Bridge Repeater
  • 8% less than eBay
  • $21.95
    • if ordered online. Order by phone: $23.95, Save $2.00 online!
STS-ANTA 4G/LTE Cellular Antenna
  • 17% less than eBay
  • $9.95
    • if ordered online. Order by phone: $11.95, Save $2.00 online!
All Products: 1–12 of 15
Show: 12