BTS is the a cell within the site there can be 1, 2 or 3 BTS, normally 3.
You can lock a BTS down and it will not effect the other BTS or the BCF. Lock the BCF down and you stop all BTS transmissions from the site.
A BCF has a number say 13
Cell 1 is called BTS 13, , Cell2 BTS 14 and Cell 3 BTS 15 for MML reasons to be able to distingush between the BTS’s on the site (BCF) so BCF13, BTS14 refers to the site and the 2nd BTS
A BCF controls the whole site that is you can stop the whole site from transmitting MML = ZEFS:23:L;). A BTS is a cell within the BCF (site) you can lock a BTS down (ZEQS:BTS,21:FHO,30:L;)and the rest of the BTS’s stil transmit.
There are usally 3 BTS to 1 BCF, so on a Nokia site build it may look like this:
FlexiHopper is kind of Radio, lets say Nokia MW Transmission unit(Outdoor Unit). It is cover diffrent frequencies depends on distance like 7,15,18,23 GHz.It can broadcasting both V & H It has 3 ports:
1) Grounding
2) AGC
3) Flexbus
for less than 1Km distance Nokia has MetroHopper (58 GHz).