Frequently Asked Questions (FAQ)
Welcome to VMD's FAQ page. Here, you will find answers to common questions about our satellite telecommunications solutions, radio communication systems, IoT services, and technical support. If you don’t find what you're looking for, feel free to contact us.
Satellite Telecommunication Solutions
What is the difference between LEO, MEO, and GEO satellite networks?
LEO: 500–2,000 km – low latency, great for IoT/mobile.
MEO: 2,000–35,000 km – balance between coverage and latency.
GEO: 35,786 km – broad coverage, higher latency.
Which satellite solution should I choose for connectivity at sea or in remote areas?
For maritime: GEO services like Inmarsat or Iridium Certus.
For remote land areas: LEO constellations like Starlink or OneWeb.
Do I need authorization to acquire satellite communication devices?
Yes, in many countries a license is required. Regulations vary. Always check local laws.
How does satellite communication work in an emergency?
- Send SOS messages
- Call emergency services
- Maintain communication during disasters
Radio Communication and IoT
What is the range of VHF and UHF radios?
VHF: 30–300 MHz – long range in open areas.
UHF: 300 MHz–3 GHz – better in urban settings.
How does an IoT asset tracking solution work?
IoT sensors transmit data via satellite, LPWAN, or GSM to track asset location and status in real time.
What are the advantages of satellite radios over traditional radios?
Satellite radios offer global coverage without local infrastructure, unlike VHF/UHF which rely on ground relays.
Do I need authorization to use VHF/UHF radios?
Yes, some frequencies require a license depending on local laws. Always verify before use.
Installation, Maintenance, and Support
Do you provide installation and configuration services for your equipment?
Yes, we provide complete setup and configuration for all our solutions.
What are the steps to subscribe to a maintenance contract?
- Contact us for assessment
- Choose your package
- Schedule your maintenance
How can I contact support in case of a technical issue?
Support is available by phone, email, or online. Quick response guaranteed.
Pricing and Subscriptions
How much do satellite telecommunication services cost?
Cost varies by service type and plan. Contact us for a personalized quote.
Do you offer flexible subscription plans for businesses?
Yes, we offer tailored business plans with flexible options.
How can I modify or cancel my subscription?
Contact customer service to manage your subscription according to your contract.
Orders and Deliveries
Do you ship internationally?
Yes, we ship to many countries. Contact us for regional availability.
What is your return and warranty policy?
We offer warranties and a return policy under specific conditions. Contact us for details.
Need Help?
If you didn’t find the answer to your question, our team is here to help:
📧 Email: commercial@vmdsolutions.net
📞 Phone: +216 70 73 20 70
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