Best practice for RUTX50 with 3 pcs SISO OMNI antennas?

Hi! I use RUTX50 in recreational boating and planning to use 3 pcs (existing) SISO OMNI-directional marine antennas with following tech specs:

  • Target network = 4G+ (LTE-A) with mobile frequency bands B1, B3, B7, B8 and B20 (698-2700MHz)
  • Antenna “a” data = 1 port/SISO/698-2700MHz acting as “MAIN” antenna
  • Antenna “b” data = 1 port/SISO/890-960MHz acting as “AUX1” antenna
  • Antenna “c” data = 1 port/SISO/1920-2170MHz acting as “AUX2” antenna

To which antenna ports should I connect a.m. antennas to get best theoretical reception from modem signal reception point of view (assuming that RSRP&RSRQ are equal for whole frequency range)?

Should I add 4th antenna (e.g. standard MOBILE antenna) to last (remaining) port to get better reception (and not leaving it empty)?

Is RUTX50 and RUTM51 having same “behaviour” regarding recommended antenna connections?

For best connection you should connect all 4 antennas.

Check Which antenna to use with a RUTX50? - #3 by Chris70CH