RT21 Robust Durable License Free Business Radio (6 Pack)

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Retevis RT21 Durable License Free Walkie Talkie for Construction

Retevis RT21 has a stylish appearance and a comfortable feel. The shell is sturdy, wear-resistant, and not easy to scratch. This two way radio is suitable for warehouses, docks, construction sites, tourism, hotels, logistics, factories, etc.

Long and Sturdy Antenna Design

With longer antenna design, RT21 has a longer range in the same environment. Whether it is retail, hotel, hospital, school, construction, or manufacturing industry, RT21 can provide you with clear and stable signal transmission.

Long Battery Life Walkie Talkie

Built-in 1100 mAh battery, continuous use for 10–12 hours, it takes about 3 hours to fully charge, and standby for more than 72 hours.

Rugged and Long Lasting

The body is made of durable materials, can withstand shock and vibration in harsh environments, and can be used for a long time to save corporate communication costs.

License Free and Easy to Use

RT21 can work out of the box. It can talk directly with most Retevis FRS walkie talkies, which is convenient for employees to get started.

FAQ on Retevis RT21 Walkie Talkie for Construction

Question 1: Can RT21 be used with RT22?

Answer 1: Both Retevis RT22 and RT21 two way radios are FRS radios with 16 channels, they can communicate with each other on the same channel and CTCSS/DCS.

Question 2: Are Retevis RT21 waterproof?

Answer 2: RT21 is not really waterproof, but just life waterproof. However, we have many portable waterproof walkie talkies, such as Retevis RB47 and RB46 waterproof walkie talkies. They are all IP67 waterproof, which can work for at least 30 minutes while under 1 meter of water.

Question 3: What is the range of Retevis RT21?

Answer 3: Retevis RT21 walkie talkie ranges from 0.5 to 2.5 miles, depending on the condition of the terrain. It can reach an extended range in an open field and other areas with no obstructions at all. While in the city, it somehow has a restricted range due to interference, such as buildings and infrastructures.

Question 4: Does the RT21 have voice scrambling?

Answer 4: Yes, RT21 has a scramble function. There are 1-8 scramble types to choose from in the channel information. And you can set different scramble types in different channels, which will ensure your communication security.