ADVA "OSA 5420 WITH ONE QUARTZ (STRATUM 3E G.812 TYPE III), AGEING/DAY +/-5E-10, TEMPERATURE STABILITY +/-50E-10, GNSS RECEIVER FOR GPS L1, GLONASS G1, BEIDOU B1, GALILEO E1, PLUGGABLE PSUS, 2X EXP SLOT MUST ORDER SOFTWARE, PSUS, POWER CABLE, ANTENNA KIT AND SFP SEPARATELY. USE MOUNTING KIT 1013902002. MUST BE ORDERED WITH 90W PSUS: 1040904033 / 1040904034 / 1040904048-01"
