- Upgraded duplexer
25W high power
Portable design
IP66 waterproof - Upgraded Feeder Cable
- Easy installation, plug and play
- Frequency Range: 462.550-462.725 MHz (TX) 467.550-467.725 MHz (RX)
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Retevis RT97L GMRS Repeater Kit with FRP Antenna and Coaxial Cable

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25W RT97L GMRS Repeater Kit with FRP Antenna and Coaxial Cable
The Retevis RT97L GMRS Repeater kit with FRP antenna and coaxial cable offers high power, IP66 waterproof, and high-temperature protection, ensuring reliable communication in any environment. Its portable design, screen display, and easy Raspberry Pi connection make it a versatile solution for your team. Ideal for construction sites, logistics, property management, and large farms.
25W High Power GMRS Repeater
With the 25W GMRS repeater kit, including an FRP antenna and coaxial cable, you get strong and reliable signals across your farm or building, minimizing dead zones for seamless communication.
IP66 Waterproof GMRS Repeater
Whether it's torrential rain or a dusty construction site, the waterproof GMRS repeater kit with FRP antenna and coaxial cable keeps your signal strong—rain or shine.
Portable and Lightweight GMRS Repeater
The GMRS repeater, with its compact 11.22 × 2.68 × 7.28-inch size and lightweight 7.86lb design, fits easily in your backpack. It’s the perfect companion for maintaining strong signals in transient lifestyles or remote work scenarios.
Compatible with Raspberry Pi
Perfect for outdoors, construction sites, or rural cabins, this GMRS repeater kit extends your connectivity range. With Raspberry Pi integration, you can link sensors, cameras, and alarms—even through thick walls or dense forests.
16 Adaptive Channels
Stay connected effortlessly with 16 channels. Seamlessly switch between high and low power modes to adapt to your surroundings, ensuring clear and reliable communication wherever you go.
Smart Overheat Protection
Designed for extreme conditions, the portable GMRS repeater automatically reduces power when temperatures exceed 60°C, preventing overheating and ensuring consistent, reliable performance even in hot climates.
Cold-Weather Performance
The GMRS repeater is equipped with a low-temperature mode that activates an internal heating system when the temperature drops to -15°C, preventing freezing and ensuring reliable operation even in challenging winter conditions.
LCD Screen Display
The GMRS mobile repeater features a clear LCD screen display, providing real-time information such as channel and battery level, so you can easily monitor and adjust settings at a glance.
RT97L GMRS Repeater Kit Applicable Scenarios
The RT97L GMRS Repeater Kit is perfect for large farms, ranches, construction sites, outdoor events, hunting camps, and open-air theaters, ensuring reliable communication in vast and challenging environments.
Detail Display
Installation Steps
FAQ
1. What is the difference between 5W and 25W?
The difference in power can be significant. For example, using 5W of power, communication over a long distance might result in weak or no signal. However, with 25W of power, the range can greatly improve, allowing for clearer and more reliable communication over much longer distances.
While power is crucial, factors like antenna height also play an important role. In situations where elevation isn't favorable, higher power can be a big help in extending communication range.
2. Is the actual output power really 25W?
The factory output is between 22W-25W. However, when operating with a duplexer, there may be power loss, reducing output to around 15W-22W, depending on the quality, thickness, and length of the feeder cable.
3. What’s the GMRS Repeater Frequency Range (TX and RX)?
For users operating with GMRS, the frequency range of the RT97L is:
- TX (Transmit): 462.550 - 462.725 MHz
- RX (Receive): 467.550 - 467.725 MHz
This range allows for effective communication and operation in the designated GMRS frequencies, which are crucial for users who need clear, uninterrupted signals.
4. How Does Using a Raspberry Pi Enhance RT97L’s Functionality?
The RT97L portable gmrs repeater is designed with flexibility in mind. By connecting the repeater to a Raspberry Pi via its DB-9 interface, users can expand the repeater's functions. This allows for easy programming and the ability to customize the repeater to fit specific needs, whether you’re operating in a particular area, enhancing security, or fine-tuning performance.
5. What Is Amp Absorption in TX and RX?
- Receive Mode Absorption: 180mA
- Transmit Mode Absorption: 5.5A
6. How is the RT97L Waterproof Even if the Doors Are Uncovered?
The RT97L gmrs mobile repeater is rated IP66 waterproof, meaning it can withstand powerful jets of water from all directions. This rating ensures that it performs well even in harsh weather or environments with heavy water flow. However, to ensure optimal performance and longevity, it's always a good idea to install the repeater in a protected location, especially in areas with extreme weather conditions.
7. Does the RT97L Have an Internal Duplexer?
Yes, the RT97L portable repeater comes equipped with an internal duplexer, which is essential for enabling the repeater to work efficiently with an antenna. The duplexer allows the device to handle both transmit and receive signals simultaneously without interference.
8. How Many Channels Does the RT97L Have? And What Does It Mean?
The RT97L is capable of storing 16 different channels, which means it can quickly switch between up to 16 communication frequencies.
9. What is the RT97L's Duty Cycle?
The duty cycle for RT97L repeater is 100%.
10. What is the DB-9 Female Connector used for?
RT97S base station comes with a DB-9 port, which can be directly connected to the included speaker mic and is compatible with Raspberry Pi.
11. Does this repeater work with your handheld FRS units? Or just the GMRS radios?
Because of the limitations on FRS by the FCC, this repeater can be only ued for GMRS radio, no mater handheld GMRS radios or Mobile GMRS radios.
12. Is this repeater compatible with other manufacturers handheld GMRs radios that are repeater capable? For example BTECH, Radioddity, Midland?
Yes, the RT97L repeater is compatible with GMRS handheld radios that are repeater capable.
What’s in the Box?
RT97L Repeater x1
Charger x1
Power Supply x1
Car Charger Cable x1
Programming Cable x1
Bracket x4
Screw x8
Nut x4
Feedline ×1
Antenna ×1
User's Manual x1
Spec
Model | RT97L |
Output Power | Factory output: 22-25W After passing through the duplexer: 15-22W |
Frequency Range
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462.550-462.725 MHz (TX)
467.550-467.725 MHz (RX)
|
Channel Capacity
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16 CH
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Bandwidth
|
20KHZ/12.5KHZ
|
Audio Distortion
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≤5%
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Frequency Stability
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±2.5ppm
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Maximum Frequency Deviation
|
4.5KHZ/2.5KHZ
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Modulation Mode
|
FM
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Adjacent Channel Selectivity
|
≥65dB
|
Transmit Current
|
≤6A
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Operating Voltage
|
15V DC
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Antenna Impedance
|
50Ω
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Operating Temperature
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-30°C~+60°C
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Dimensions
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285x185x68mm
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Weight
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3563g
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Note: Power will further attenuate after passing through the feeder. The degree of attenuation depends on the diameter, length, and material of the feeder. Please select an appropriate feeder according to your specific situation.
|
Feature
● 16 Channels
● Channel Lock
● Scan Channel
● Volume Set
● Modem Set
● Squelch Level
● Repeater Delay
● High/Low Power Switching
● Backled Adjustment
● Low Temperature Mode
● 50 CTCSS codes/210 DCS codes
● Init Option
● Software Version
Product Reviews
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DanielFor security repeaterReviewed on Apr 12,2025I’m with a preparedness group called Anderson Island Prepares on a small island in Puget Sound. Currently, we’re using Ailance HAG 1 radios, and we’re looking to upgrade to a 25W repeater. We’ve got a 5W repeater in the group now, which works well, but we could definitely use more power to improve communication between our island and others in the area. The RT97L looks like a promising option with its 25W output, and we’re hoping it’ll help us extend our range and ensure better connectivity with neighboring islands.WilliamLong Range RepeaterReviewed on Apr 12,2025I get 20 miles out of the 10 watt rt97s with high quality LMR400 and a high gain comet antenna mounted 37 feet up. The L should get more. Expect itThomasUpgrade duplexerReviewed on Apr 12,2025The new RT97L model is pushing 18+ watts past the duplexer—huge upgrade!Charlie25W RT97LReviewed on Apr 12,2025With the 10W RT97S repeater, I can easily get 10 miles on a handheld. Simplex range around here is about 2 miles, but I’ve had base stations connect from as far out as 20.1 miles using their base setups. Can’t wait for the new 25W RT97L to ship!JacobWorks greatReviewed on Apr 12,2025I have this RT97S set up and it works great.JackWork well in both rural and elevated locationsReviewed on Apr 12,2025We have access to grain elevators with about 150 feet of elevation, which should help maximize the range of our repeater. The RT97S’s performance in both rural and elevated locations makes it an ideal candidate for our setup.GeorgeRetevis RT97LReviewed on Apr 12,2025Our goal is to create a reliable communication network for locals, and the RT97L’s GMRS capabilities, combined with its ease of use and installation, make it a strong contender for the job. Looking forward to seeing how it performs!HarryCommunity GMRS RepeaterReviewed on Apr 12,2025We're planning to set up a community GMRS repeater in South Central Kansas, with the potential to expand later. The goal is to provide reliable communication in case of grid, cellular, or internet outages. The Retevis RT97L seems like a promising option for this project, given its 25W power output and durability.OliverWorth every penny.Reviewed on Apr 12,2025Utterly fantastic! Long range and clear! If I ever need more, I will get these ones again.