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Topic #1: RF technologies

Please be referenced of the following all wireless RF technologies band, they are consisted of cellular band from GSM to UMTS, we can easily understand the uplink or downlink frequencies zone.

Topic #2: Outdoor antenna gain chart

Wireless SI (System Integrators) always asks for outdoor antenna gain chart in comparison to covered distance while in wireless installation projects, we provide you the attached useful table in figuring out the details of the power gain, distance and adjustment tool, please open the below PFD file of file name "Antenna Distance Gain Chart" for more details, the copyright is belong to SI-buy.com.

Topic #3: Mesh Network Concept

The state-of-the-art MESH network is getting matured in RF technology development stage, a few of wireless pioneer makers are to introduce indoor or outdoor mesh network equipment to the wireless market, the major feature of mesh network is aimed at automatic routing protocol to enable auto-bandwidth or redundancy back if any of CPEs disabled. Please see the attached mesh network concept file.  

Topic #4: RF connector profile

RF connectors are consisted many kind of connector head, crimp or bulk head, male or female, jack or plug, use of individual cable category...it's very confused to installers or even professional, the below image is indicating the major use of RF connectors, the outlined dimension and connector head figure.

Topic #5: Base station tower

Below is showing the key elements of BTS (Base station Transmission System) system, every BTS system will be determined by telecom operators/carriers' requirement as well as on-site condition, some of them are high tower or lower pole installation only.