This antenna kit provides a +2dBi panel mount antenna with a 190mm RP-SMA to U.FL coax. To mount to a panel, drill a 1/4" (6.4mm) hole in the panel, and attach by tightening down the hexagonal retaining nut.

This is an official Raspberry Pi Compute Module 4 Antenna Kit for use with dual-band Wi-Fi and bluetooth devices..

Specifications:

• 2400-2500/5100-5800 MHz (Bluetooth, Wi-Fi 2.4GHz, Wi-Fi 5GHz)
  
• 50 ohm impedance
• Omnidirectional radiation pattern (toroidal)
• RP-SMA connector
• U.FL/IPX connector
• 190 mm coax (see diagram for dimensional details)