HRL-50K6G HRL-50K6G-1310NM HRL-5-D-D-2 HRL-5-E-D-2 HRL-5-E-S-2 HRL-5-E-S-2-RS HRL-5-F-D-2 HRL-5-M-D-2 HRL-5-M-S-2 HRL-5-M-S-2-RS