Sentriplex

Resources

Practical guides for security and frontline teams — push-to-talk, replacing two-way radios, lone-worker safety and guard tours.

Push-to-talk

How to Replace Two-Way Radios With a Push-to-Talk App

A practical guide to replacing two-way radios with a push-to-talk (PTT) app: what you gain, what to watch for, and a 5-step rollout for security and frontline teams.

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Safety

Lone Worker Safety: A Practical Guide

A practical lone worker safety guide: welfare check-ins, duress and man-down alerts, escalation and GPS — how to protect staff who work alone or in high-risk roles.

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Security operations

What Is a Guard Tour System?

What is a guard tour system? How QR, NFC and GPS checkpoints replace patrol wands, give proof of presence, and keep security patrols accountable.

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Buyer's guide

Best Push-to-Talk Apps: A 2026 Buyer's Guide

How to choose the best push-to-talk app in 2026 — the criteria that matter (range, safety, dispatch, security, pricing) and a checklist for evaluating PTT apps.

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Comparison

Push-to-Talk Over Cellular (PoC) vs Two-Way Radios

Push-to-talk over cellular (PoC) vs two-way radios (LMR): range, coverage, cost, safety and compliance compared — so you can choose the right team communication.

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Industry

Push-to-Talk for Security Guards & Teams

Push-to-talk for security guards: instant team voice, panic/SOS, lone-worker safety, guard tours and live dispatch on the phones officers already carry.

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Industry

Push-to-Talk for Retail Teams

Push-to-talk for retail: instant store-floor coordination, manager broadcasts, loss-prevention call-outs and panic alerts on staff phones — no radios to buy.

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Industry

Push-to-Talk for Hotels & Hospitality

Push-to-talk for hotels and hospitality: connect front desk, housekeeping, security and events instantly, with panic alerts and lone-worker safety — on staff phones.

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Industry

Push-to-Talk for Warehouses & Logistics

Push-to-talk for warehouses and logistics: hands-free voice across large sites, docks and yards, with location and man-down safety — on existing phones, no repeaters.

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Safety

Panic Button App for Employees

A panic button app for employees: one-tap SOS with GPS location and a live hot-mic, silent duress alerts, and escalation — protect frontline and lone staff.

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Guide

Team Communication App for Frontline Workers

Why frontline teams need more than chat: a team communication app with instant push-to-talk voice, broadcast, dispatch and safety — built for deskless workers.

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Industry

Push-to-Talk for Events & Venues

Push-to-talk for events and venues: coordinate stewards, security, production and front-of-house instantly, with panic alerts and live dispatch — on staff phones.

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Industry

Push-to-Talk for Construction Sites

Push-to-talk for construction: reliable voice across large, low-coverage sites with man-down and lone-worker safety — on the phones crews already carry.

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Guide

Walkie-Talkie App for Business

A walkie-talkie app for business turns staff phones into instant two-way radios — with channels, dispatch, recording and safety that consumer apps and radios lack.

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Industry

Push-to-Talk for Healthcare & Facilities

Push-to-talk for healthcare and facilities teams: reach porters, security, maintenance and care staff instantly, with lone-worker safety and panic alerts.

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Reference

PTT, PoC & LMR: A Push-to-Talk Glossary

A plain-English push-to-talk glossary — PTT, PoC, LMR, half-duplex vs full-duplex, channels, dispatch, geofencing and man-down — for teams evaluating radio alternatives.

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