Categories Tech Briefs

UNDERSTANDING DRY CONTACT TERMINOLOGY AND HOW IT APPLIES WITH RESPECT TO THE BI-DIRECTIONAL AMPLIFIER (BDA), BATTERY BACKUP UNIT (BBU) AND FIRE ALARM CONTROL PANEL (FACP) EQUIPMENT

Understanding Dry Contact Terminology and How It Applies with Respect to the Bi-Directional Amplifier (BDA), Battery Backup Unit (BBU) and...

Best Practices for Public Safety and Cellular Analog Fiber DAS Deployment – Fiber Plant Installation

Introduction:The purpose of this document is to highlight the proper installation and end-to-end testing of the fiber plant (aka, fiber...

When, Why and How to use a Bias-T on Comba Public Safety BDAs

Comba Public Safety BDAs will require a Bias-T Kit for some applications. This tech brief will explain why the Bias-T...

Annual ERRCS Maintenance Items

As a Public Safety OEM, Comba is often asked: “What actions should be performed for an annual inspection, or PMI...

Using Filters on a Public Safety BDA to Ensure Optimal Performance

When you plan your Public Safety design with a BDA or Fiber DAS, an RF environment study or RF Site...

When to use 5W BDA vs. 2W Fiber Remote Units

With Comba Telecom’s 5W CriticalPoint Public Safety BDA now available, we decided to take a look at the use cases...

How uplink strength, gain and noise can affect the public safety network

Watch Matt Lunny's Video Tech Talk on Uplink Strength, Gain & Noise are affected by a buildings size and distance...

Commissioning a BDA – A walkthrough guide, Part II

PART 5: A DEEPER DIVE INTO DESIGN CONSIDERATIONSThis section is meant to detail design considerations for your public safety system....

Commissioning a BDA – A walkthrough guide, Part I

PART 1: PREPARATION – WHAT TO BRING TO THE JOB SITEThe very first step in commissioning a BDA is to...

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