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Description

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FAQ

1. Will the speaker-microphone from the RT97S work on the RT97L? 

Yes, the speaker-microphone for the RT97S and RT97L are compatible and can be used interchangeably.

2. What is the height and wind resistance rating of the RT97L antenna? 

The RT97L antenna model is MA09, operating in the 462-467 MHz frequency range.

Height: 175 cm (approximately 5.74 feet)

Wind resistance: 50-60 m/s

Additional specifications:

VSWR (Standing Wave Ratio) < 1.5

Antenna gain: 7.2 dBi

Connector type: SL16-K

Material: Fiberglass

3. Can the antenna cable that came with the RT97S be used for the RT97L?

Yes, the 15-meter 50-3 Pure Copper Coaxial Extender Cable for RT97 will work with the RT97L. However, the RT97L’s antenna cable has been upgraded to 15 meters of 50-7 cable, which offers lower loss compared to the previous version.

4. Can I replace the SL-16 connector with an N-type connector on the RT97L?

Yes, the RT97L can be adapted to use an N-type connector. We recommend the following two options:

Use an adapter: This is the most cost-effective and preferred method. The adapter is inexpensive and ensures no signal loss.

Replace the connector yourself: If you choose to replace the connector, please ensure that you use coaxial cable with an outer diameter of 4mm. Be cautious, as improper replacement can damage the paint and affect the waterproofing.

5. Will the RT97L operate on all 16 GMRS channels?

The RT97L is pre-programmed with 16 GMRS channels, all set according to GMRS standards. The device includes dedicated GMRS repeater frequency points, ensuring full compliance with regulatory requirements. To enhance convenience, the first 8 channels are set for wideband operation, while the remaining 8 are set for narrowband operation. This allows users to easily switch between the two bandwidth settings without needing additional programming.

6. RT97L repeater programming software has a problem when writing frequency?

When you click "Read", a password input box will appear. You can directly click "close" to ignore it, or input 288288.

If you want to set a password, click "write", the first "password" is 288288, then enter your "New Password".

7. 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.

8. 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. 

9. 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.

10. What Is Amp Absorption in TX and RX?

  • Receive Mode Absorption: 180mA
  • Transmit Mode Absorption: 5.5A

11. 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.

12. 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.

13. 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.

14. What is the RT97L's Duty Cycle?

The duty cycle for RT97L repeater is 100%.

    15. 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.

    16. 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.

    Technical Specifications Comparison

    Parameter RT97 RT97S RT97L
    Power

    Factory output: 10w

    After passing through the duplexer: 5w

    Factory output: 10w

    After passing through the duplexer: 5w

    		 Factory output: 22-25W
    After passing through the duplexer: 15-22W
    Waterproof Rating / / IP66
    Frequency Range TX: 462MHz
    RX: 467MHz    		 TX: 462.550-462.725 MHz
    RX: 467.850-467.725 MHz    		 462-467 MHz (GMRS)
    Channel Capacity 16CH 8 GMRS Repeater Channels 16 channels
    Channel Spacing ±12.5kHz (Narrow)
    ±25kHz (Wide)    		 ±12.5kHz (Narrow)
    ±25kHz (Wide)    		 12.5/25kHz
    Operating Voltage DC 12V-24V DC 12V-24V DC 15V/10A (AC 100-240V input)
    Operating Temperature -30°C to +60°C -30°C to +60°C (-22°F to 140°F) -30°C to +60°C
    Frequency Stability ±2.5ppm ±2.5ppm ±2.5ppm
    Antenna Impedance 50 Ω 50 Ω 50 Ω
    Dimensions 260×210×70 mm 260×210×70 mm (10.25×8.3×2.8 in) 285×185×68 mm (±5 mm)
    Weight 1.66 kg 1.66 kg (3.7 lbs) 3.5 kg (±0.5 kg)
    Modulation F3E FSE FM
    Spurious Emission ≤ -60dB ≤ -60dB ≤ -13dBm
    Max Frequency Deviation Wide: ±5kHz
    Narrow: ±2.5kHz    		 Wide: ±5kHz
    Narrow: ±2.5kHz    		 Wide: ±5kHz
    Narrow: ±2.5kHz
    Audio Distortion ≤ 5% ≤ 5% ≤ 5%
    FM Noise Wide: ≈45dB
    Narrow: ≈40dB    		 Wide: ×45dB
    Narrow: ×40dB    		 Wide: ≤45dB
    Narrow: ≤40dB
    Rx Sensitivity (12dB SINAD) 0.2µV (Wide)
    0.25µV (Narrow)    		 0.2µV (Wide)
    0.25µV (Narrow)    		 0.35µV
    Squelch Sensitivity 0.15µV (Wide)
    0.2µV (Narrow)    		 0.15µV (Wide)
    0.2µV (Narrow)    		 0.2µV / 0.15µV
    Adjacent Channel Selectivity ≥70dB (Wide)
    ≥65dB (Narrow)    		 ≥70dB (Wide)
    ≥65dB (Narrow)    		 ≥65dB / ≥70dB
    Intermodulation Rejection ≥55dB ≥55dB ≥60dB
    Spurious Rejection ≥55dB ≥55dB ≥60dB
    Image Rejection ≥55dB ≥55dB ≥60dB
    Duplexer Isolation / / >75dB
    Transmit Current / / ≤6A

    FAQ

    Yes, the speaker-microphone for the RT97S and RT97L are compatible and can be used interchangeably.

    The RT97L antenna model is MA09, operating in the 462-467 MHz frequency range.

    Height: 175 cm (approximately 5.74 feet)

    Wind resistance: 50-60 m/s

    Additional specifications:

    VSWR (Standing Wave Ratio) < 1.5

    Antenna gain: 7.2 dBi

    Connector type: SL16-K

    Material: Fiberglass

    Yes, the 15-meter 50-3 Pure Copper Coaxial Extender Cable for RT97 will work with the RT97L. However, the RT97L’s antenna cable has been upgraded to 15 meters of 50-7 cable, which offers lower loss compared to the previous version.

    Yes, the RT97L can be adapted to use an N-type connector. We recommend the following two options:

    Use an adapter: This is the most cost-effective and preferred method. The adapter is inexpensive and ensures no signal loss.

    Replace the connector yourself: If you choose to replace the connector, please ensure that you use coaxial cable with an outer diameter of 4mm. Be cautious, as improper replacement can damage the paint and affect the waterproofing.

    The RT97L is pre-programmed with 16 GMRS channels, all set according to GMRS standards. The device includes dedicated GMRS repeater frequency points, ensuring full compliance with regulatory requirements. To enhance convenience, the first 8 channels are set for wideband operation, while the remaining 8 are set for narrowband operation. This allows users to easily switch between the two bandwidth settings without needing additional programming.

    When you click "Read", a password input box will appear. You can directly click "close" to ignore it, or input 288288.
    If you want to set a password, click "write", the first "password" is 288288, then enter your "New Password".

    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.

    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. 

    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.

    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.

    Receive Mode Absorption: 180mA
    Transmit Mode Absorption: 5.5A

    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.

    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.

    The RT97L is capable of storing 16 different channels, which means it can quickly switch between up to 16 communication frequencies.

    The duty cycle for RT97L repeater is 100%.

    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.

    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.

    Yes, the RT97L repeater is compatible with GMRS handheld radios that are repeater capable.

    No. This feature requires factory-installed hardware (a custom repeater and duplexer). It must be purchased as a pre-configured pair and cannot be manually set up using separate units.

    RelevantDocuments

    Driver

    RT97-USB-Driver
    175.14 KB rar
    Download

    Software

    RT97L-Programming-Software-Custom
    1002.99 KB zip
    Download
    RT97L-Programming-Software-DMR
    121.92 KB zip
    Download
    RT97L-Programming-Software-GMRS
    985.42 KB rar
    Download

    Manual

    RT97L-User-Manual-GMRS
    2.4 MB pdf
    Download

    Firmware

    RT97L-Update-Firmware-V1.5
    1.46 MB zip
    Download

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    With over 15 years of innovation and growth, RETEVIS offers a wide range of radio walkie talkie products, from industrial long distance walkie talkies to commercial two-way radios, radio repeaters, and wireless radio communication solutions. Trusted by millions of users worldwide, RETEVIS ensures reliable, clear, and instant communication across over 170 countries and regions, serving industries like construction, security, manufacturing, emergency response, and more.

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