• ALTA 3G Cellular Gateway
ALTA 3G Cellular Gateway

Part #
Region | Frequency
Not Selected - * Region Required
Product Variations

Standard (Generation 1) Products

Product Description

The ALTA 3G Cellular Gateway (for use in USA, Canada and Mexico) is based on a 3G (GSM HSPA+) wireless engine and comes integrated with Monnit's wireless access point network (WAN) for use with all Monnit ALTA wireless sensors. (User is responsible for setting up data plan with a compatible wireless carrier.)

  • True plug & play, no hassles for internet configuration set-up
  • No PC required for operation
  • Low-cost cellular service packages
  • Compatible with Mini-SIM 2FF SIM cards
  • Remote software upgrade capability
  • Local status LEDs with transmission and online status indicators
  • 50,000 sensor message memory
  • Watchdog function and on-line heart-beat control
  • AC power supply


If you choose a 2-year data plan through Monnit, the gateway will include a SIM card and come activated on the cellular network you choose, currently AT&T (US) or Rogers (Canada). These items will be added to your cart automatically. If you choose an un-activated gateway, you are responsible for purchasing a SIM card (Mini-SIM 2FF) and activating the gateway on your preferred network.

2 Year Agreement Cellular Data Plan Pricing (AT&T and Rogers):

$10 for the first MB. *
$5 for the second MB. *
$3 for each additional MB. *

* Data charges are based on a monthly billing cycle and reset the beginning of each month.

What's in the box?

  • 3G Cellular Signal Booster
  • Power Supply
  • Wireless Sensor Network Antenna
  • Cellular Network Antenna
  • Cellular Gateway
  • Monnit Cellular Gateway Quick Start Guide

Multi Carrier 3G Cellular Gateway Specifications

Cellular Carrier Multi-Carrier Support (Non-Activated)
Frequency Range: 800 / 1900 MHz
Antenna Connector: SMA
Gain (dBi): 1.5
Input Power 5.5 VDC @ 900 mA
Backup Battery Battery Type: Rechargeable Lithium Polymer
Battery Duration: Up to 24 hours
Battery Cycle Life: 500 times
LED Lights Cellular Status LED, Online Status LED, Sensor Network Status LED
Device Memory 50,000 sensor messages (messages will be stored in the event of Internet outage and transferred when connection is restored).
Enclosure Material NEMA 1, 2, 4, 4x, 12 and 13 rated, sealed and weather proof Monnit’s NEMA rated enclosures are constructed for both indoor or outdoor use and protect the enclosed circuitry against the ingress of solid foreign objects like dust as well as the damaging eff
Dimension 5.70 x 3.543 x 2.14 in.
Weight 12 oz.

ALTA Cellular Gateway Specifications

Dimension 5.004 x 3.8 x 1.51 in.
Storage Temperature: -20 to +85 °C (-4 to 185 °F)
Enclosure Material ABS
LED Lights Cellular Status LED, Online Status LED, Sensor Network Status LED
Operating Temperature -10 to +70 °C (14 to 158 °F)
Device Memory 50,000 sensor messages (Sensor messages will be stored in the event of Internet outage and transferred when connection is restored)

ALTA 900 MHz Specifications

Operating Frequency 900 MHz Operating Frequency
Certifications Complies with Part 15 of the FCC Rules. (FCC ID: ZTL-G2SC1)
Complies with Industry Canada standards. (IC: 9794A-G2SC1)
Device Range Device Range Up to 1,200 ft. non-line-of-sight, wireless device range*
Security Encrypt-RF® (Diffie-Hellman Key Exchange + AES-128 CBC)
Specifications Image

Suggested Application Uses for This Sensor

  • Transmits sensor data to the iMonnit online sensor monitoring portal
  • Commercial monitoring applications
  • Facilities monitoring
  • Small business monitoring
  • Large business monitoring