The single RMU2040 On-Site 2-Way Radio from Motorola is designed to let you securely communicate in up to a 250,000 square-foot work environment. It operates on 99 UHF frequencies and has 219 PL/DPL codes, with up to six that are customizable. Its built-in 1500MW speaker is designed to provide enough output for use in noisy conditions, such as construction sites or manufacturing lines. FCCID: AZ489FT4913 The RMU2040 includes a rechargeable lithium-ion battery as well as a drop-in tray charger. A holster and power supply are also included.Manufacturer Included Items:Motorola RMU2040 On-Site 2-Way Radio (Single)HolsterLithium-Ion BatteryPower SupplyDrop-In Tray ChargerBundle Items Include:4 x Motorola RMU2040 On-Site 2-Way Radio4 x Motorola HKLN4604 Swivel Earpiece with In-Line Microphone & Push-to-Talk | Motorola Solutions | | 4 x Motorola RMU2040 On-Site 2-Way Radio (RMU2040 | 4 Pack With Mic Bundle | Black | Best Buy