Pro PMR radio palm sized & extremely well built Pre-programmed on Business Radio Light frequencies for out of box & ready to use solution 16 Channels factory set with DCS & CTCSS operation Scan function included High 4W medium 2W & low 1W RF output Battery Save function & low battery function Drop charger & Li-on battery as standard N42KQ is the single handset version N43KQ is the twin handset version brbr Legal operation of these units requires a current Business Radio Light License available to buy from Ofcom lasts 5 years & covers an unlimited number of handsets. To help you get started we have included an application form in the box. br