RT97S Customizable Full Duplex Portable Repeater
- Customized: The duplexer has a very narrow operating frequency band, Now allowing to customize the Repeater according to your TX and RX frequency.
- Built-in Sound Card: Exchange data with Raspberry Pi(not include) via DB9 connector
- Easy installation: built-in duplexer, volume is only 10.2*8.3*2.8in, weight is only 3.7ibl
- Multiple power supply methods: powered by DC12V~24V power (car power and solar battery), and AC220V power
- Best system performance: RT97S is dustproof and waterproof, and can be directly installed near the antenna to minimize the loss of the feeder.
NOTE:
- Please note the customized information when placing an order.
- After confirming your custom frequency, it will take 2 weeks to customize.
- After customization, the frequency is fixed and cannot be returned.
- This product does not include a cable to connect to the Raspberry Pi.
Payment Methods

Delivery Method

Key Features
- We offer free shipping straight to your door throughout the contiguous.
- It usually takes 3-20 business days* for your package to be delivered, so you can sit back and relax, worry-free.
- *Please see our shipping policy for more details.
Get a full refund when you return your undamaged products within 30 days - for any reason. Once the item arrives back at the anker warehouse for inspection, the refund process will begin.
See our refund policy for more details about what is needed for a smooth refund process.
Retevis provides a straightforward, hassle-free warranty to save you some headaches. All products come with their own unique warranty that you can find on the product listing or contact us at info@retevis.com with your order receipt for confirmation.
This limited warranty provided by the manufacturer in no way affects a potential statutory warranty provided by law.
We'll Always be There for You.
If you have any questions or concerns, feel free to contact us at info@retevis.com.
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What’s in the Box?
- 1 x RT97S Customizable Repeater
- 1 x Charger
- 1 x Power Supply
- 1 x Car Charger Cable
- 1 x Programming Cable
- 1 x User's Manual
Spec
Specifications | |
Frequency Range | Customizable Range: [UHF: 400-470MHz or VHF: 136-174MHz] |
Channel Capacity | 8 CH Repeater Channels |
Channel Spacing | ±12.5KHz Narrow/±25kHz Wide |
Operating Voltage | DC12V - 24V |
Operating Temperature | -22° F - 140° F (-30° C - 60° C) |
Frequency Stability | ±2.5ppm |
Antenna Impedance | 50 Ω |
Dimensions | 10.25" x 8.3" x 2.8" (260 x 210 x 70mm) |
Weight | 3.7 lbs (1.66 kg) |
Transmitter | |
Power Output | 5W |
Modulation | F3E |
Spurious Emission | -60dB or less |
Maximum Frequency Deviation | Wide: ±5kHz Narrow: ±2.5kHz |
Audio Distortion | 5% or less |
FM Noise | Wide:≤45dB Narrow :≤40dB |
Receiver | |
Sensitivity(12dB SINAD) | 0.2μV (Wide) 0.25μV (Narrow) |
Squelch Sensitivity | 0.15μV (Wide) 0.2μV (Narrow) |
Adjacent Channel Selectivity | ≥ 70dB (Wide) / ≥65dB (Narrow) |
Intermodulation | ≥ 55dB |
Spurious Rejection | ≥ 55dB |
Image Rejection | ≥ 55dB |
FM Ham and Noise | ≤-45dB(Wide) / ≤ -40dB(Narrow) |
Modulation Type | F3E |
Operating Bandwidth | ≤±7KHz / ≤±5KHz |
Audio Distortion | ≤ 5% |
Product Reviews
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ValdemarSolid constructionReviewed on Oct 07,2024Solid construction. I’m impressed with how durable the RT97S is. It’s been through some tough conditions.UlfricWork wellReviewed on Oct 07,2024Fantastic for family communications. I set it up to keep in touch with family across miles of rural terrain.TheobaldRT97s RepeaterReviewed on Oct 07,2024Perfect for property management. I use the RT97s to stay in touch with my team across a large commercial property.St. JohnRetevis repeaterReviewed on Oct 07,2024Great for off-grid camping. With the RT97S, we’ve maintained communication across several miles while camping in remote areas.RedmondBest repeaterReviewed on Oct 07,2024Boosted communication range for events. Used it at a large outdoor event and it handled the entire venue.QuinceyGood productReviewed on Oct 06,2024Worked perfectly on the first try. Set it up and it worked immediately, no issues at all.PeverellLong-lasting batteryReviewed on Oct 06,2024Long-lasting battery. The RT97s works great with my solar-powered battery setup for continuous operation.OswinReliable in remote areasReviewed on Oct 06,2024Reliable in remote areas. The RT97S gives me communication where cell service is non-existent.NiallGreat for group coordinationReviewed on Oct 06,2024Great for group coordination. It makes coordinating with multiple people in large areas much easier.MarmionPlug-and-play setupReviewed on Oct 06,2024Plug-and-play setup is fantastic. I had it running in minutes, no complicated configuration required.
Support
Firmware/Software
- RT97-RT97S-Software
- USB-Driver-WIN11-20230410
For the new version of the programming cable; Support WIN 11 System. NOTE: If you plug in the programming cable to the computer, and it shows “USB READER (COMX)” in device manager, then your cable is a new version.
- CH340-USB-Driver
For the old version of the programming cable; Not support WIN 11 System. NOTE: If you plug in the programming cable to the computer, and it shows “USB-SERIAl CH340 (COMX)” in device manager, then your cable is an old version.