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Shopping Cart Beacon Installation Guide

The SignMetrix SmartTag Slim is a battery-powered shopping cart beacon that supports impression measurement, dwell time analysis, customer journey insights, and closed-loop attribution when deployed with the corresponding SignMetrix measurement infrastructure and integrations. 

This guide describes the step-by-step installation of a shopping cart beacon.

1. Hardware Specifications

Parameter Specification
Dimensions (L × W × D) 4.57 × 1.18 × 0.43 inches (116 × 30 × 11 mm)
Housing Black ABS
Net weight 34 g
Protection ratings IP67 / IK08
Connectivity Bluetooth Low Energy (BLE) 5.0
Chipset nRF52 Series
Battery 2 × CR2450 lithium coin cells
Battery life Up to 44 months, depending on configuration and operating conditions
Operating temperature −4°F to 140°F (−20°C to 60°C)
Certifications CE / FCC / RoHS

For more details: Shopping Cart Beacon Spec Sheet 

2. Installation Requirements

  • One SmartTag Slim beacon per shopping cart.
  • A mounting bracket with two matching fasteners and required nuts.
  • A screwdriver matching the supplied fasteners.

Use the specified mounting hardware and follow the bracket’s tightening specifications. The beacon requires no external power cable.

3. Installation Steps

Step 1 — Mounting Location

Mount the beacon horizontally on the rear section of the cart’s left side wire panel, near the handle end, immediately above the horizontal support wire. Keep the identification label visible and accessible.

Screenshot 2026-10-01 at 3.37.26 AM-1

Step 2 — Position the Beacon and Bracket

Place the beacon against the wire panel. Position the bracket on the opposite side of the panel and align it with both beacon mounting holes, keeping the cart wires between the beacon and bracket.

    Screenshot 2026-10-01 at 2.06.57 AM

Step 3 — Insert the Fasteners

Insert both fasteners through the mounting holes and secure them with the required nuts. Start both loosely, keeping the beacon horizontal and the bracket evenly positioned.

Step 4 — Tighten and Check

Tighten both fasteners gradually and evenly. Gently check that the beacon and bracket do not slide, rotate, or wobble. If loose, tighten further as needed without overtightening.

4. Maintenance

Inspect the beacon, bracket, and fasteners during routine cart maintenance. Replace damaged components and tighten loose hardware according to the mounting specifications.

 

Screenshot 2026-10-01 at 3.11.37 AM