New hanger being built at work and we will be building a new antenna farm on the roof. Primary radio is a Technisonic TBS-350 aviation band base station. It has a built in linear amp and outputs 25 watts. It looks like it should be a 100' run from the operations room to the roof. Our previous installs we have always used LMR-400 but this will be a permanent installation vs our temporary trailers we were based in so want to do it right. We will have 2'' pipe run from roof down to first floor with no bends, from there above a drop ceiling the coax would run to the operations room where it will drop down an interior wall and then exit and terminate at the radio.
Roof will have unistrut mounted on a parapet wall and a 16x16x8 NEMA 4 enclosure will be mounted to 2'' pipes to house the lighting protection and then transfer from roof to inside the building.
Using the online loss calculator shows LMR600 putting 20watts out after loss vs the 25 in. To get better than that you have to step up the LDF5-50A which gives 22.5 watts or go nuts with LDF6-50A which give 23.26 watts. The two of us doing the install are very familiar with the LMR400 so leaning towards the LMR600 vs the hardline products which we haven't used before. I might have answered my own question but what do you think?
Also this will end up in a separate thread but we are going to remote control the radio. It has a tone control board built it allowing 2/4 wire, DC/ tone keying. Buying LE20 from CPI remote desk controllers and installing them at everyone desks throughout the office.
Roof will have unistrut mounted on a parapet wall and a 16x16x8 NEMA 4 enclosure will be mounted to 2'' pipes to house the lighting protection and then transfer from roof to inside the building.
Using the online loss calculator shows LMR600 putting 20watts out after loss vs the 25 in. To get better than that you have to step up the LDF5-50A which gives 22.5 watts or go nuts with LDF6-50A which give 23.26 watts. The two of us doing the install are very familiar with the LMR400 so leaning towards the LMR600 vs the hardline products which we haven't used before. I might have answered my own question but what do you think?
Also this will end up in a separate thread but we are going to remote control the radio. It has a tone control board built it allowing 2/4 wire, DC/ tone keying. Buying LE20 from CPI remote desk controllers and installing them at everyone desks throughout the office.