Skip to main content
  • Home
  • Sensaphone 4G LTE Modem with Battery Backup, AT&T

Sensaphone 4G LTE Modem with Battery Backup, AT&T


Order now and we'll ship usually within 3-5 business days.

WARNING: Cancer and Reproductive Harm –

Product Description

The 4G LTE Cellular Modem with Battery Backup, AT&T, provides cellular access to all Stratus EMS, Sentinel, and Sentinel Pro Ethernet models. The modem allows you to place your Sensaphone security system in a location where Ethernet cables may not be able to reach your network router. The unit features a lockable, IP65-Rated weatherproof housing that ensures continued operation in extreme outdoor environments. The kit contains an external antenna that allows the modem to be placed in areas that may limit cellular signal strength such as metal cabinets. It also includes a power supply and battery backup that will keep the device active for up to 8 hours in the event of loss of power. The Modem connects to the Sensaphone Monitoring System via an Ethernet cable (not included).


  • Connects any Ethernet-based Stratus, Sentinel and Sentinel Pro to the cloud via a cellular connection
  • Weatherproof housing allows unit to be mounted outdoors
  • Cellular service subscription required for use, sold separately
  • Battery backup provides up to 8 hours of activity in the event of a power loss
  • Includes external antenna, power supply and wall mounting hardware

In The Box:

  • Cellular Modem
  • Antenna
  • IP65 weatherproof enclosure
  • Power Supply
  • Battery Backup

NOTES: Sentinel Monitoring System (Sentinel, Sentinel Pro, or Stratus EMS) are sold separately. Only compatible with AT&T cellular network. For compatibility with Verizon cellular network, see PHFGD-4GLTE-VZ. Ethernet cable not included.

Available for sale only in the U.S.

Tech Specs

  • Part Number: FGD-4GLTE-AT
  • Modem Technology: 4G-LTE (Bands B2, B4, B5, B12 & B13) for US and Canada only
  • Modem Data Rate: 150Mbps downlink, 50Mbps Uplink
  • Cellular Carriers: AT&T
  • Antenna:
    • Omni-directional outdoor IP66 rated
    • Frequencies: 2G/3G/4G from 698-960/1710-3800MHz
    • Peak Gain: 5 dBi
    • Cable 16'
    • Wall or Mast Mount
  • Housing: High impact polycarbonate, UL Type 4X/6P (IP 66/68)
  • Dimensions: 11.1 inches H x 9.4 inches W x 3.5 inches D
  • Weight: 8.5lbs
  • Operating Temperature: 5°F to 122°F | -15°C to 50°C
  • Warranty: 1 Year Limited

Product Docs