These VHF/UHF handheld transceivers pack a lot of performance into a MIL-spec* rugged polycarbonate bodies. Designed to resist splash and dust*, the DJ-A10/A40 features professional grade specs such as 1W audio output, 2.5ppm frequency stability, capable of operating at 5W with 50 tone-squelch, DCS or DTMF/ANI in 128 programmable-channels or VFO; keep in touch for retails, construction, factory, warehouse, in a theme-park, shopping mall, exhibition hall, hotel…where you need reliable communications for business, the DJ-A10/A40 is a cost effective alternative to a mobile/cell phone!