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Antennas by Application

Smart Metering and AMI Antennas: Sub-GHz Utility Networks

Advanced metering infrastructure (AMI) connects electricity, gas and water meters over sub-GHz RF mesh and cellular IoT, favoring compact, low-cost antennas with consistent omnidirectional coverage.

Overview

Below we cover the frequency bands, radiation characteristics, mounting and selection criteria that matter most for smart metering and ami antennas. Mesh AMI tolerates modest per-node range because data hops node-to-node; collector and gateway antennas, mounted high, aggregate traffic from thousands of meters over a wide footprint.

Frequency Bands and Spectrum

The bands most relevant to smart metering and ami antennas are listed below. Each band brings different propagation, regulatory and antenna-size implications.

BandRange (MHz)Typical use
902-928 MHz ISM902-928US ISM / LoRa / RFID
800-960 MHz Cellular806-960GSM-900 / cellular
Wideband (700-2700 MHz)700-2700Multiband / all-cellular

Recommended Antenna Types

The following antenna classes are best matched to smart metering and ami antennas:

Rubber Duck / Terminal Antenna

Flexible whip terminal antennas for handhelds, CPE and IoT gateways.

Embedded FPC / PCB Antenna

Internal flexible-PCB and PCB-trace antennas for embedded modules and tracking devices.

Omnidirectional Fiberglass Antenna

Collinear omnidirectional antennas in a UV-stable fiberglass radome for 360 degree outdoor coverage.

Magnetic-Base Mobile Antenna

Magnetic-mount vehicular antennas for telematics and mobile connectivity.

Applications and Use Cases

Smart Metering and AMI Antennas support a range of deployments. The most common are:

  • IoT / M2M
  • Asset Tracking
  • Cellular Coverage

Mounting and Installation

Meter-side antennas are internal FPC or short external whips; collectors use pole- or rooftop-mounted omnidirectional fiberglass antennas.

Lightning Protection and Grounding

Pole-mounted collector antennas on the distribution network should include surge protection coordinated with the utility grounding practice.

Standards and Compliance

Designs and deployments in this area commonly reference:

  • Wi-SUN FAN
  • NB-IoT / LTE-M
  • FCC Part 15.247

Selection and Comparison

When narrowing down a model for smart metering and ami antennas, weigh these trade-offs:

  • RF mesh vs. cellular IoT
  • Internal vs. external meter antenna
  • Collector siting

Typical gain for this category is 2-8 dBi, usually terminated in a SMA / IPEX connector, though the interface can be customized.

Recommended Antennas from astronwireless.com

The following models from our catalog match the requirements discussed above:

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Frequently Asked Questions

What frequency bands do smart metering and ami antennas use?

Smart Metering and AMI Antennas typically operate across 902-928 MHz ISM, 800-960 MHz Cellular, and Wideband (700-2700 MHz). The primary band spans 902-928 MHz.

How should smart metering and ami antennas be mounted?

Meter-side antennas are internal FPC or short external whips; collectors use pole- or rooftop-mounted omnidirectional fiberglass antennas.

What antenna gain is typical for smart metering and ami antennas?

A typical gain range is 2-8 dBi. Higher gain narrows the beamwidth and extends range, so the right value depends on whether you need broad coverage or a focused long-distance link.

Which applications are smart metering and ami antennas best suited for?

Common applications include IoT / M2M, Asset Tracking, and Cellular Coverage. Mesh AMI tolerates modest per-node range because data hops node-to-node; collector and gateway antennas, mounted high, aggregate traffic from thousands of meters over a wide footprint.

What connector do smart metering and ami antennas normally use, and can it be changed?

The usual interface is SMA / IPEX. The connector and cable assembly can be customized — SMA, N-type, TNC, BNC, FAKRA and IPEX options are available on request.

Do smart metering and ami antennas need lightning protection?

Pole-mounted collector antennas on the distribution network should include surge protection coordinated with the utility grounding practice.

Which standards apply to smart metering and ami antennas?

Relevant standards and references include Wi-SUN FAN, NB-IoT / LTE-M, and FCC Part 15.247.

How do I get a quote for smart metering and ami antennas?

Use the antenna configurator on this page to specify your frequency, gain, polarization and mounting requirements. Submit the inquiry and an engineer from astronwireless.com will respond within one business day with matched models and pricing.