• Retevis RT81 digital frequency bands can provide clearer sound quality than ordinary analog channels; no worry about clear communication even in a noisy environment
• RT81 high power walkie talkies are specifically designed for large commercial environments;channels are pre-set with CTCSS DCS to reduce unnecessary transmissions and therefore cannot talk directly to other brands of radios; if you need to talk to other brand walkie talkies; please contact us via Amazon mail; we will offer firmware for you
• Waterproof 2 way radio with IP67 rating can be used even in rainy days; tested for 1 meter drop;RT81 radio can still work as usual; strong shell and stubborn accessories will last long time and save cost for your business
• 2200 mAh battery; retevis 2 way radio fully charged can support about 12 hours of battery life; meet the needs of standard shifts
• Improve work efficiency; featured with group call; allows you to talk to other people simultaneously even they are not on the same channel; helps work crews connect; coordinate and collaborate to get the job done right
• Easy to use; out of the box; just turn to the same channel you can work directly; the simple side key is easy for every operator
• Long range walkie talkies; high power design; RT81 DMR radio can effectively penetrate buildings; steel structure; provide stable and reliable signal