Do you love traveling, hunting, fishing or just chatting with friends and colleagues at a distance? Then you need a good radio that will provide you with quality, reliable and secure communication in any conditions. But how to choose a radio among the many offers on the market? What criteria are important when buying? And how to find the optimal balance of price and quality?
We want to introduce you to one of the best models of radios that combines all the necessary features and functions for comfortable and effective use. This is Retevis RT3S - digital DMR radio with analog mode support. This radio has many advantages over other models and competitors, which we will discuss in this article. We will also give you recommendations on how to choose and buy, as well as provide a link to the seller on Aliexpress at the bottom of the page. We are sure that after reading this article you will want to buy this radio for yourself or as a gift for your loved ones.
I bought this walkie-talkie here
Features and Specifications
Retevis RT3S is a digital DMR (Digital Mobile Radio) radio that also supports analog mode. This means that you can use it to communicate with other DMR radios, as well as with regular analog radios. This is very convenient if you want to switch to digital communication, but do not want to give up your old analog devices. In addition, digital mode has a number of advantages over analog mode, such as:
cleaner and better sound without noise and interference;
longer range and less signal attenuation;
higher security and confidentiality of communication due to encryption and encoding;
more efficient use of frequency spectrum due to splitting channels into two time slots;
wider choice of functions and settings due to programming.
Retevis RT3S has the following technical parameters:
Frequency range: VHF 136-174 MHz / UHF 400-480 MHz
Number of channels: 3000
Output power: 5 W / 3 W/ 1 W (selectable)
Power supply voltage: 7.4 V
Battery capacity: 2000 mAh
Working time: up to 18 hours
Dimensions: 131 x 61 x 36 mm
Weight: 258 g (with battery and antenna)
Retevis RT3S has the following functions and settings:
Two DMR time slots (TDMA): slot 1 and slot 2
Two modes of operation: digital DMR / analog FM
One color display: 1.77 inches, 160 x 128 pixels, backlight, display of information about channel, battery charge, signal, time etc.
Keyboard: 16 keys, including PTT (Push To Talk), SOS, scan, menu etc.
Antenna: removable SMA-Female, dual-band, length 17 cm
Connectors: microphone / headphones (KENWOOD standard), USB (for charging and programming), antenna
Voice functions: voice confirmation of channel number, voice encryption, voice priority, voice repeater
Scanning: scanning channels, scanning groups, scanning priority channels
Programming: programming with computer or keyboard, support for CPS (Customer Programming Software)
Compatibility: compatible with other DMR radios Tier I and Tier II, as well as with analog radios
Other functions: dual receive / transmit, standby mode, power saving mode, monitor mode, VOX mode (voice activation), TOT mode (Time Out Timer), BCL mode (Busy Channel Lockout), BCLO mode (Busy Channel Lockout Override), Squelch mode (noise suppression), CTCSS / DCS mode (Continuous Tone Coded Squelch System / Digital Coded Squelch), DTMF mode (Dual Tone Multi Frequency), ANI mode (Automatic Number Identification), PTT ID mode (Push To Talk Identification), SMS mode (Short Message Service), GPS mode (only for version with GPS), recording and playback of sound, alarm function, FM radio function etc.
Advantages and Disadvantages
Retevis RT3S is an excellent digital DMR radio with analog mode support that is suitable for any purposes and tasks. It has many advantages that make it a profitable and convenient choice for any user. Here are some of them:
High quality of sound and communication: thanks to the digital DMR mode you can enjoy clear and crisp sound without noise and interference. You can also communicate at long distances and in difficult conditions without losing signal or quality of communication.
Large number of channels and functions: you can set up to 3000 channels according to your discretion and choose from many functions and settings for optimal use of the radio. You can also program the radio with a computer or keyboard for more precise and convenient adjustment.
Support for analog mode: you can switch between digital and analog modes depending on your needs and conditions of communication. You can also communicate with other analog radios if they do not support DMR. This is very practical if you do not want to change your old devices or if you work in a mixed communication environment.
Affordable price and quality: you can buy this radio at a very favorable price on Aliexpress, where you will also get a warranty and delivery. You can also be sure of the high quality of manufacturing and operation of the radio, which has passed all the necessary tests and certifications. Retevis is a well-known and reliable brand that has earned the trust of many users around the world.
Convenience of use and wear: you can easily control the radio with the keyboard and display, which shows all the necessary information. You can also enjoy comfort and safety when wearing the radio thanks to its compact size, light weight, sturdy case, removable antenna and convenient clip for attaching to clothing or belt.
But Retevis RT3S also has some disadvantages that you should know before buying. Here are some of them:
Complexity of setting up and programming: you may encounter difficulties when setting up and programming the radio if you do not have enough experience or knowledge in this area. You may also need special software and cable to connect the radio to the computer. You should be careful when choosing frequencies, codes, slots and other parameters, so as not to violate the legislation or interfere with other users.
Limitation of GPS functions: if you choose the version of the radio with GPS, then you should know that the GPS function works only in digital DMR mode and only with other Retevis RT3S radios with GPS. You will not be able to use the GPS function in analog mode or with other models or brands of radios. You should also have a good reception of satellite signal for GPS operation.
Insufficiency of battery: although the battery of the radio has enough capacity for long-term operation, it may quickly discharge when using the radio intensively, especially in digital mode or when turning on the GPS function. You should monitor the battery level and charge the radio in time. You can also buy an additional battery or charger for the radio, so as not to stay without communication in critical situations.
Conclusion
Retevis RT3S is an excellent digital DMR radio with analog mode support that is suitable for any purposes and tasks. It has many advantages, such as high quality of sound and communication, large number of channels and functions, support for analog mode, affordable price and quality, convenience of use and wear. It also has some disadvantages, such as complexity of setting up and programming, limitation of GPS functions, insufficiency of battery. But these disadvantages do not outweigh all the merits of this radio, which is one of the best on the market.
If you want to buy this radio or learn more about it, then we suggest you go to the link to the seller on Aliexpress, where you can find the most favorable price, warranty and delivery. You can also see reviews from other buyers and ask your questions to the seller. Do not miss your chance to buy this wonderful radio for yourself or as a gift for your loved ones.
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I bought this walkie-talkie here
Retevis rt3s radio
General specifications
Frequency range: 150-160 and 450-460 MHz
Number of channels: 3000
Frequency stability: ±1ppm
Operating temperature: -30℃~+60℃
Operating voltage: 7.4V DC
Dimensions: 131 x 61 x 36mm
Weight: 258g (with battery)
Battery type: lithium-ion
Battery capacity: 2000mAh
Antenna impedance: 50Ω
Audio impedance: 1W@16Ω
Channel spacing: 12.5KHz
Vocoder: AMBE+2™
Transmitter
Power: high ≤ 5 W, low ≤ 1 W
Frequency stability: ±1.0ppm
Adjacent channel power: ≤ -60dB
Free time slot power: TDMA: ≤ -57dBm
Hum and noise: This email address is being protected from spambots. You need JavaScript enabled to view it.
Spurious radiation: antenna:9KHz-1GHz ≤ -36dBm 1GHz-12.75GHz ≤ -30dBm
FM modulation mode: This email address is being protected from spambots. You need JavaScript enabled to view it.
Digital modulation mode 4FSK: 12.5KHz(only data):7K60FXD12.5KHz(data and voice):7K60FXW
Maximum deviation of modulation: This email address is being protected from spambots. You need JavaScript enabled to view it.
Power of inactive time slot: -57dBm
Digital protocol: ETSI-TS102 361-1,-2,-3
Receiver
Analog sensitivity: 0.2μV@12dB SINAD
Digital sensitivity: 0.25μV(BER:5%)
Adjacent channel selectivity: ≤ This email address is being protected from spambots. You need JavaScript enabled to view it.
Intermodulation: ≤ -60dB
Spurious response: ≥ 70dB
Audio response: +1~-3dB
Features
GPS: built-in (optional)
Use of time division multiple access (TDMA) technology
Dual time slot for repeater
Dual time slot for point-to-point communication
Firmware upgradeable
Lone worker function
Encryption function
Compatibility with Mototrbo TierⅠ&Ⅱ
Single call, group call and all call
Analog and digital modes
Remote kill / stun and activate
Up to 3000 channels
Transmission interruption
Group call matching (promiscuous mode)
Private call matching (promiscuous mode)
Record
Emergency alarm
VOX
TOT