BAOFENG GMRS Radio GM21 GMRS Handheld Radio Long Range Walkie Talkies for UV-5R GMRS Rechargeable Two Way Radio with GMRS 771 NOAA Weather Receiver,999 Channels,Copy Frequency and USB-C Charger

UNLIMITED COMMUNICATION TIME — The rechargeable walkie talkie supports micro USB charging. You can charge them indoors, on the road, and even camping and hiking, and you do not need to pay for batteries, again and again, saving stress and money for you.
LONG RANGE TRANSMISSION AND CRYSTL CLEAR SOUND — With upgraded custom helix gain antenna,super penetration,and lossless transmission technology. You can speak clearly and your kids can hear clearly within 1 mile in yard or indoors. Longer range communication in open areas with little or no obstruction.
CRYSTAL CLEAR SOUND — Upgrade to larger speakers, automatic noise reduction technology, and stronger penetration, you can hear clear sound without distortion even in noisy environments, and adapt to a variety of harsh working environments

True High-power 2 way radios features strong penetration and keep the sound transmission real; high gain antenna expanded the instant communication distance
Built in 3000 mAh rechargeable li-ion battery; sustainable use of 12-24 hours when fully charged which meet the needs of standard shifts; low-battery alert will remind you to charge it in time
RT1 high power radios; 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

Wide Channel Selection: Enjoy 50 channels at your disposal, and use the channel scan feature to quickly check for activity and find a clear channel for your conversation.
Extended Range: Communicate effortlessly even in remote, open areas with minimal obstructions. Switch between low power (up to 10km) and high power (up to 30~38 km) modes as needed. The range may vary by different using environment.
Hands-Free Operation: Activate the Voice and Sound Activation Transmission (VOX) with three sensitivity levels to enjoy hands-free convenience. Keep your hands free for other tasks while staying connected.

NR30 can talk directly with itself; if you need compatibility with other radios; please make sure that the radios have the same frequency and CTCSS/DCS; need firmware support you can contact us via Amazon email
One key to increase the distance; high power walkie talkies; when the existing distance and power cannot meet the demand; only by adjusting the side key, you can switch to a higher power to achieve a longer distance; press and hold PF1 for 3 seconds to switch to three power levels; one beep represents low power; two beeps represent medium power; and three beeps represent high power; long range communication; Retevis NR30 walkie talkies offer reliable communication even in remote areas
IP67 waterproof rating; Retevis NR30 2 way radios are built to withstand even heavy rain or all kinds of bad weather; ensuring durability and longevity