RT21 Rugged License Free Business Radio (10 Pack)

Retevis RT21 has a stylish appearance and a comfortable feel. The shell is sturdy, wear-resistant, and not...
Vendor: Retevis
SKU: A9118JX5-C9034AX10
Availability: In Stock
Product Type: RT21
$356.99 CAD
$521.99 CAD
$356.99 CAD
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RT21 Rugged License Free Business Radio (10 Pack)

RT21 Rugged License Free Business Radio (10 Pack)

$521.99 $356.99

RT21 Rugged License Free Business Radio (10 Pack)

$521.99 $356.99

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, without complicated buttons, which is convenient for employees to get started.

FAQ on Retevis RT21 Construction Site Walkie Talkies

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.

Frequency Range FRS
Power 2W
Channel Capacity 16
Battery Capacity Li-ion 1100mAh
Working Voltage DC 3.7V
Working Temperature -10 °C~50 °C
Antenna Impedance 50 Ω
Weight (with battery) 195g
Size 225×54×30 mm
Sensitivity ≤0.2μV
Occupied Bandwidth ≤16KHz
Selectivity ≥65dB
Intermediation ≥55dB
Audio Power 1W
Audio Distortion ≤5%
Frequency Stability 5ppm
Current 80mA(when standby)220mA(when working)
Audio Response +7~-12.5dB
Modulation Mode 16KFΦ3E
Spurious Radiation ≤7.5μW
Modulation Noise ≤40dB
Modulation Distortion ≤5%
Frequency Stability 5ppm
Maximum Deviation ≤±5KHz
Current ≤2300mA
Audio Response(300-3000Hz) +6.5~-14dB
Adjacent Ch. Power ≥65dB
Intermediation Sensitivity 8~12mV


  1. Emergency Alarm
  2. Scan Function
  3. Busy Channel Lock
  4. TOT (Time-out Timer)
  5. Squelch Function
  6. VOX Function
  7. High/ Low Power Selectable
  8. CTCSS&DCS Encode/Decode
  9. Battery Save Function
  10. English/Chinese Voice Prompt
  11. Low Battery Prompt
  12. Power Protection Function
  13. Wide/Narrow Bandwidth Selection (25 KHz/12.5KHz)
  14. High Quality, Strong Shell, Strong Sense Of Texture

Package Includes:

  • 10 x Handheld Radios
  • 10 x Chargers
  • 10 x USB Cables
  • 10 x Belt Clips
  • 5 x User Manuals
  • 10 x Lanyards
  • 10 x Adapters

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Returns Policy

You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.


We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.

When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.

Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.

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