This duplex hotspot board supports VHF, and supports 400M, 100M, and 800M. With premium temperature complementary crystals, stable operation performance and no bias frequency. Supporting B+, 2B, 3B, 3B+, 4B, etc. Support OLED screens and serial Nextion screens. Compatible with Raspberry Pi and ready for use.<br> Features:<br> This duplex hotspot board supports VHF, and supports 400M, 100M, and 800M.<br> With premium temperature complementary crystals, stable operation performance and no bias frequency.<br> Wide ranges of applications, supporting B+, 2B, 3B, 3B+, 4B, etc.<br> Circuit tantalum capacitor filtering, stable operation, can be 7 * 24 hours opened.<br> The using effect of DMR is very nice, (C4FM, P25 have been tested).<br> Support OLED screens and serial Nextion screens.<br> Compatible with Raspberry Pi and ready for use.<br> Specifications:<br> Name: Duplex Hotspot Board<br> Material: printed circuit board<br> Display size: 28 * 27 * 18mm / 1.10 * 1.06 * 0.71in<br> Item size: 66 * 56 * 6mm / 2.60 * 2.20 * 0.24in<br> Item weight: 20g / 0.71ounce<br> Package size: 120 * 80 * 20mm / 4.72 * 3.15 * 0.79in<br> Package weight: 25g / 0.88ounce<br> Packing List:<br> 1 * Duplex Hotspot Board<br> 1 * Display<br> 2 * SMA<br> Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Minnanxin