Retevis RM21 is a new marine radio, which is a better choice. Today we will tell you why you should choose marine raio RM21?
1,Noise reduction
All radio have some basic featuers, such as waterproof, floating function ,vibration draining function…This all important when you use it on water. Except all the basic featuers, our update RM21 add noise reduction function, which improve the quality of talking and hearing from each other. 
2, 5W
Comparing with similar price RM01, its power is higher, which has a higher cost performance. RM01 is 3w. So you only add a few prices to buy a longer distance radio.
3, 1800mah battery capacity
Battery capacity is also a big improtant featuere for radio, RM21 also incease battery capacity than other marine radio.
4, Slim size and lightweight
Smaller size make it comfortable to hold in hand. Its light weight makes no burden to hang on you neck or put in pocket.
5,Emergency Channel 16 and Channel 9 keep you safe on water
So choose the RM21 and you will like it.
Retevis is the brand specializing in the design and manufacture of two way radios .We have own R&D team to support customized needs. Certainly, our products are approved by FCC, CE . If you want OEM or ODM, welcome to contact us:info@retevis.com
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