(19)
(11) EP 4 740 270 A1

(12)

(43) Date of publication:
13.05.2026 Bulletin 2026/20

(21) Application number: 24829017.3

(22) Date of filing: 20.06.2024
(51) International Patent Classification (IPC): 
H01Q 5/30(2015.01)
H01Q 15/00(2006.01)
H01Q 21/06(2006.01)
 H01Q 1/42(2006.01)
H01Q 19/10(2006.01)
H01Q 21/30(2006.01)
(52) Cooperative Patent Classification (CPC):
H01Q 1/42; H01Q 1/246; H01Q 15/0013
(86) International application number:
PCT/SE2024/050612
(87) International publication number:
WO 2025/010002 (09.01.2025 Gazette 2025/02)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA
Designated Validation States:
GE KH MA MD TN

(30) Priority: 06.07.2023 SE 2350856

(71) Applicant: Kaelus AB
183 38 Täby (SE)

(72) Inventor:
  • SOHL, Christian
    113 42 Stockholm (SE)

(74) Representative: AWA Sweden AB 
Box 5117
200 71 Malmö
200 71 Malmö (SE)

   


(54) A BASE STATION ANTENNA MODULE COMPRISING A FREQUENCY SELECTIVE SURFACE LAYER MOUNTED ON AN OPENING IN A REFLECTOR