RT97S Full Duplex Portable GMRS Repeater
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- 8 GMRS Repeater Channels
- Built-in sound card can be connected to Raspberry Pi
- Extend the distance of the handheld Radios
- Can be powered by DC12V~24V power, car power and solar battery
Note:
This product does not include a cable to connect to the Raspberry Pi.
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RT97S Full Duplex Portable GMRS Repeater
The RT97S repeater is ideal for solar-powered repeater sites where low power and a small footprint are required. At such a small portable size, this repeater is perfect for farming, camping trips or emergency preparedness.
GMRS Repeater
Retevis Original Design GMRS Repeater, featuring 8 GMRS repeater channels, full 5W of output power after the duplexer. 
Car Charger
Built into a cable TV amplifier box, the RT97S is rugged and water-resistant. Two power adapters come with the repeater, a 12V/24V cigarette lighter plug, and an AC adapter.
Multi Charging Methods
RT97S Can be powered by DC12V~24V power, car power and solar battery.
Spec
| Specifications | |
| Frequency Range | 462.550 - 462.725 MHz (TX), 467.550 - 467.725 MHz (RX) |
| Channel Capacity | 8 GMRS 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
Support
Firmware/Software
- RT97-RT97S-GMRS-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.
