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Vandal Resistant Low Profile 3G/4G/LTE Omni-Directional Antenna - 3-5 dBi Gain - Fixed Mount - 10 ft Coax Lead - For Cisco, Cradlepoint, Digi, Novatel, Pepwave, Proxicast, Sierra Wireless, and others

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Key Features

  • LOW PROFILE - 3 inches Tall with 3-5 dBi Gain -- Omni-directional

  • VANDAL RESISTANT Materials & Design - SMA Male Connector on 10 ft Coax Lead

  • COMPATIBLE with all North American & Worldwide 2G, 3G, 4G, LTE Cellular Networks such as AT&T, Sprint, T-Mobile, Verizon, US Cellular, Bell Canada, Rogers, Telus, Digicel, Moviestar, Telcel, and more

  • COMPATIBLE with 3G/4G/LTE modems and routers from Airlink, CalAmp, Cisco, Cradlepoint, Digi, Multi-Tech, Netcomm, Novatel, Pepwave, Proxicast, Sierra Wireless, Sixnet/Red Lion, and others

  • PERFECT FOR industrial, commercial and Internet Of Things (IOT) applications such as: Hotspots, Kiosks, Vending, Point-of-Sale (POS), Machine-to-Machine (M2M), Video Surveillance (Cameras, DVRs, NVRs), Vehicles, SCADA, Telemetry, PLCs, RTUs, Digital Signage


For outdoor/indoor applications. Excellent for hotspots, kiosks, M2M, IoT, telemetry and vehicle applications. Connect this antenna to existing cellular modems, routers or other 3G/4G/LTE enabled devices which have SMA external antenna connectors.

This low profile (~ 3 inches tall) fixed mount omni-directional antenna provides 3 to 5 dBi of gain and supports all cellular frequency bands for AT&T, Verizon, Sprint, T-Mobile, Bell, Rogers, Telus and other worldwide carriers.

Permanently mounts via a 5/8 in. (16 mm) hole with locking internal nut. Resists vandalism with no exposed coax cable, high impact ABS radome shell and an extra thick threaded mounting post. Includes 10 ft of low-loss RG58U coax fed through center mounting post. Includes "L" bracket for optional wall mounting.

Ideal for use in vending machines, meter housings, equipment sheds, or other locations requiring a low-profile vandal resistant external antenna. Also suitable for vehicle mounting on buses, vans, trucks or other mobile installations. Completely waterproof (IP67) when installed with post extending into a water-tight enclosure. Not waterproof when used exclusively with wall bracket.

Integrated SMA male plug connector mates with SMA female jack found on most cellular modems and routers.

* For optimum performance this antenna should be mounted on a flat, horizontal metal surface at least 8 inches in diameter.

Note: LTE systems should use the 2 lead version ANT-121-M22

The Wi-Fi version of this antenna is ANT-131-002.


Application Examples


Vending Machines

Kiosks & ATMs

Machine Control Panels


Vending Machines 

  • Inventory Levels
  • Machine Status
  • Advertising Updates
  • Price Changes

Kiosks & ATMs 

  • Bank Machines
  • Self Service Kiosks
  • Digital Signage
  • Alarm Systems

Machine Control Panels 

  • PLC's
  • NEMA Enclosures
  • Weather Stations
  • Meters & Pump Houses

Emergency Vehicles 

  • Police / Fire
  • Ambulance / EMS
  • Hazmat
  • Command & Control
Pro Tips

For Best Results

  • Orient antenna vertically
  • Mount through a horizontal metal surface at least 8 inches in diameter
  • Do not use a Y cable to connect 2 modem ports to 1 antenna
  • Do not extend coax cables
  • Fully tighten coax connectors to modem antenna ports
  • Stand 3+ feet away from antenna when testing
  • Maximize signal Quality (SINR, RSRQ) not signal Strength (RSSI, RSRP, bars)
ANT-121-002 Specifications
Electrical Properties
Frequency Range 698~960 / 1710~2700 MHz
Impedance 50 ohms
Antenna Gain 3-5 dBi
Radiation Omni
Polarization Vertical
VSWR ADGP < 2.0:1
Max input power 50 W
Ground Plane 8 inch (20 cm) diameter min. 
Mechanical Properties

Radome: UV stabilized ABS plastic (black)

Connector: Brass with Nickel plating

Mounting Bracket: Aluminum

RoHS compliant

Connector SMA Male on 10 ft (3m) low-loss RG58U coax cable
Operating Temp. -40°C to +80°C
Height Radome: 3.2 inches / 82 mm

Radome: 1.9 inches / 48 mm at base

Mounting post: 0.55 inches / 14 mm

Weight 6.2 oz (176 g)
Environmental Rating

IP67 (waterproof)


SKU: ANT-121-002

UPC: 617237750464