Features: This duplex hotspot board supports UHF, VHF, and supports 400M, 100M, and 800M.With premium temperature complementary crystals, stable operation performance and no bias frequency.Wide ranges of applications, supporting B+, 2B, 3B, 3B+, 4B, etc. Circuit tantalum capacitor filtering, stable operation, can be 7 * 24 hours opened.The using effect of is very nice, (C4FM, P25 have been tested).Support OLED screens and serial screens. Compatible with for and ready for use.Specifications:Name: Duplex Hotspot BoardMaterial: plasticcolour: As shownPackage Contents:1 x Duplex Hotspot Board1 x Display2 x SMA interfaceOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.