High power 2 way radio long range; 2.15 dB gain long rubber antenna; strong signal; can effectively penetrate multi-layer floors; metal houses obstacles; ensure stable signal and clear communication at long distances; it is the best choice for professional commercial work walkie talkies ^^ Heavy duty walkie talkie; RT86 is a rugged walkie talkies; the body of RT86 is made of ABS material; it is drop-proof and durable; the screen is hidden under the ABS body; Unlike the 2 way radio with glass or plastic displays on the market; the RT86 hidden screen is drop-proof; scratch-proof and anti-reflective; RT86 has IP54 protection; is waterproof and dustproof; and is a walkie-talkie that can be used for a long time in any environment; saving the cost of commercial teams ^^ Rechargeable walkie-talkie with long battery life; 2600mAh Li-ion rechargeable battery; 16 hours working time; 130 hours standby time; with power saving mode; can meet your continuous use all day; USB charging port for flexible charging ^^ Easy to use; RT86 is pre-set and ready for use out of the box; It is easy to pair and supports wireless clone; which reduces team deployment time; equipped with durable and comfortable earpieces to ensure the security and privacy of calls during business work and reduce unnecessary interference ^^ RT86 professional radios 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 mail; we will offer firmware for you