All the walkie talkies have been set well could use directly out of box;ideal for warehouses; manufacturing; security; retail; hotels; schools High gain long antenna design The antennas of all RT21 walkie-talkies are not detachable Ultra-Clear Long Range Reception Powerful penetration Lifetime customer support; we provide 2 year warranty and 30 days no reason to return; 2 year warranty for radio body and 1 year warranty for accessories; If any; please contact us on Amazon; we will reply you within 12 hours Retevis RT21 radio provides a simple;reliable and durable communication solution to help schools connect;coordinate;and collaborate;while keeping students and staff safe Long antenna design; RT21 two-way radio has a longer range than other FRS radios in the same environment; you can get clear calls indoors and outdoors Our walkie talkies is only FRS walkie talkies;the FCC ID is 2AAR8RETEVISRT21;our walkie talkies meet FCC rule part 95 etevis Walkie Talkies eviewed – Pos, Cons, Altenatives Rechargeable walkie talkies; 1100mAh battery provides up to 12 hours of use Long range walkie talkies with covert air acoustic earpiece; you get clear... Paver Stone Mold PS 30037, 12 x 12 Portable Frs Two-way Radios RT68H Rechargeable License Free Business Radio (6 Pack) And 6-Way Charger Retc 15 Walkie Talkies More durable commercial walkie-talkies The RT21 two way radio has a long high-gain antenna design, which has a wider range and clearer audio than other lightweight FRS walkie talkies. Rugged two way radio 2M free fall Rugged walkie talkies; dust-proof and drop-proof; shock-resistant; stable reception and transmission even in harsh conditions 10-12 hours of battery life 3.5 hours to fully charge Solid durable back Clip Easy to use 2-way radio; vox allows you to operate hands-free;remote emergency alarm provides you with extra protection
