Compute Module 4 (CM4) Antenna Kit Raspberry Pi Compute Module 4 Antenna Kit is certified for use with the Raspberry Pi Compute Module 4 for deeply embedded applications. This antenna has a frequency range of 2400MHz to 2500MHz / 5100MHz to 5800MHz and a bandwidth of 100MHz to 700MHz. Raspberry Pi Compute Module 4 Antenna Kit offers vertical polarization and omnidirectional radiation in a 108mm x 10mm package with an SMA (female) connector and a screw-type installation. Other specifications include ≤2 voltage standing wave ratio (VSWR), 10W maximum power, 2dBi gain, and 50Ω impedance. The antenna operates in a -35°C to +75°C temperature range.