1. for Hotspot Digital Networking Box! 2. Working Frequency Range: 144-148/219-225 3. Main Band: 420-475/842-950 Display Firmware Has Been Updated, Using Temperature Compensated Crystal Oscillator In Format With Zero Frequency Offset And Duplex Dual Time Slot. 4. Support C4FM Dstar P25... Digital Format To Solve The Problem Of Inconsistent Digital Intercom Formats. 5. It Can Communicate With Multiple Digital Formats And Use Mobile Phone Hotspot Network Or Wifi Network To Connect To The Internet, Satisfying Your Dream Of Communicating With Hams Around The World. Type: for : Protective Shell Working Frequency Range: 144-148/219-225 Note: Different Batches May Have Differences In Product Appearance, Color, And Printed Characters, Which Will Not Affect The Use Colour: Material:Aluminum alloy Package Contents: 1 x Duplex Board 2 x Antenna 1 x USB Wireless Network Card Only 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.