Category Archives :Radio Introduction

Retevis RT85 is an analog radio which comes with emergency alarm function. Its frequency range is VHF 136-174Mhz and UHF 400-470Mhz. For the first time use full dot matrix screen.  ...

Retevis new generation Mini DMR mobile radio RT73, it integrated brand new features, and be capable of all advanced digital technology features. It utilizes TDMA technology to attain double call capacity on a permitted frequency.  ...

Single-frequency repeater, it is a repeater that uses only one frequency to achieve the repeater function. It allocates one timeslot to receive a signal and the other to transmit it at the same frequency, using DMO mode to extend radio coverage.  ...

Are you looking for a DMR mobile radio that could easily fit on your vehicle’s dashboard. Yes, here it is. Retevis RT73 which is the perfect size you are looking for. It has all the bells and whistles you wanted from frequency range, GPS, build quality and most of all SIZE.  ...

Retevis RT44 with GoHeart app is the ultimate outdoor networking device with a user-friendly interface that allows users to get help, track friends and talk to them without needing internet or telecommunication signal.  ...

No matter climbing, canyoning, country sports, cycling, ,wilderness-survival-bushcraft, extreme sports etc. communication is very important. Retevis according to the needs of outdoor enthusiasts design a outdoor communication tool RT44. It can meet all your outdoor needs.  ...

An easy-to-use, no complicated adjustment, novice antenna. If you don’t have a roof to set up a Ⅴ antenna and inverted V antenna. But you have a balcony, come on to try this 10 band shortwave balcony antenna.  ...

An easy-to-use, no complicated adjustment, novice antenna 10 Band 3.5-54Mhz Shortwave Balcony Antenna   ...

Recently Ailunce have developed three new types of Yagi antennas, so there are four types of Yagi antennas in Ailunce official web. Then, how to select the suitable type of Ailunce yagi antenna?  ...

As an electromagnetic transducer element, the position of the antenna in the entire radio communication system is very important.  ...