Understanding the architectural and operational differences between conventional DMR and trunked systems, and when each is the right choice for your network.
A practical guide to choosing between conventional and trunked DMR, comparing channel efficiency, call management and total cost of ownership for different fleet sizes.
An engineering overview of IP backbone connectivity between repeater sites, roaming, voting and the protocols that tie dispersed DMR infrastructure into a single coordinated network.
Comparing HF and satellite communications on cost, latency, infrastructure dependence and suitability for different operational environments and mission profiles.
Selecting the right HF form factor for your deployment: manpack portability, vehicular power and antenna advantages, and base station throughput compared side by side.
Key criteria for choosing a next generation firewall: throughput, threat protection subscriptions, SD-WAN capability, management and total cost across branch and campus deployments.
A vendor neutral comparison of deployment architecture, management platforms, licensing models and ecosystem integration when choosing between Sophos and Fortinet for your organisation.
A structured approach to engineering a nationwide radio communications network: frequency allocation, coverage planning, site selection, backhaul and redundancy design.
What a drive test or walk test coverage survey involves, what data it produces, and how the results inform repeater placement, antenna selection and frequency planning decisions.
Radio Interoperability Across DMR, HF, LTE and SIP
Bridging disparate radio technologies using interoperability gateways and SIP trunks so that DMR, HF, push to talk over cellular and dispatch systems operate as a single coordinated network.
DMR (Digital Mobile Radio) is an open digital radio standard used for professional communications. Tier II covers conventional channel based operation, straightforward to deploy and cost effective for smaller fleets. Tier III adds trunking, which dynamically assigns channels across the network to support large user groups with higher call volumes and more efficient spectrum use. The right tier depends on fleet size, call traffic and coverage area. Our engineers will assess your requirements and recommend the appropriate architecture.
Do you supply, or also install and support?
Sigcomx handles the full project lifecycle. We supply equipment from leading global manufacturers, plan and design the system, carry out installation and commissioning, program and configure radios and network equipment, and provide ongoing maintenance and technical support. You deal with one engineering partner from initial survey through to long term operations, rather than coordinating multiple vendors.
Can you respond to tenders and BOQs?
Yes. We regularly respond to government and corporate procurement tenders across communications, cybersecurity and ICT. We can provide compliant technical specifications, bill of quantities pricing and supporting documentation. Upload your tender document or BOQ via our quote page and an engineer will review it and prepare a formal response.
Which firewall brand is right for us?
Both Sophos and Fortinet deliver capable next generation firewalls, but they differ in management approach, subscription model and ecosystem integration. Sophos Central offers a cloud managed, easy to operate platform well suited to organisations that want strong managed detection and response integration. Fortinet's Security Fabric is a broader ecosystem spanning switching, wireless and SD-WAN under unified management. The right choice depends on your team's capability, existing infrastructure and security posture. Speak with one of our engineers for a no obligation recommendation.
Get What You Need
Need a specific datasheet or proposal?
Tell us what you are specifying and we will send the relevant documentation, pricing or tender package directly.