Bofeng R9 Wireless Device Works on high and low frequency UHF / VHF Frequency range: VHF : 136 / 174 UHF : 400 / 520 Package contents: 1- 4000 mAh battery 2- Device holder 3- Antenna 4- Device charger 5- Bofeng R9 wireless device (There are currently quantities of devices available for companies, institutions, and restaurants. To order, contact via WhatsApp)