FAQ

Security Surveillance FAQ

Answers to the most common questions about CCTV and video surveillance systems in Bangladesh — resolution, storage, bandwidth, VMS, and Bangladesh Bank compliance.

21
Questions
FAQ
Security Surveillance

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Security Surveillance FAQ

Q01What camera resolution do I need for my business?

Q02How many cameras does my business need?

Q03How much storage do I need, and how do I calculate it for 90-day retention?

Q04What is H.265+ and why does it matter for storage costs?

Q05What is IP65 vs. IP66 and which do I need for outdoor cameras?

Q06Can I view my cameras remotely on my phone?

Q07What is the difference between an NVR and a DVR?

Q08What camera brands does SSAL supply?

Q09What is video analytics?

Q10What is the difference between dome and bullet cameras?

Q11What is a PTZ camera and when do I need one?

Q12What is night vision and which type do I need?

Q13What is a thermal camera and when do I use one?

Q14How often should CCTV cameras be maintained?

Q15What happens if a camera goes offline?

Q16Can cameras be hacked, and how do I protect them?

Q17How do I calculate CCTV bandwidth?

Q18What is a VMS (Video Management Software)?

Q19How much does a CCTV system cost in Bangladesh?

Q20Is CCTV mandatory for Bangladesh banks under Bangladesh Bank regulations?

Q21What happens to my footage if the NVR hard drive fails?

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