Luiton LT-310SDR 15W PTT Mini SSB Radio
Luiton LT-310SDR 15W PTT Mini SSB Radio
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Quick Specs Table (Selling Summary)
| Feature |
Benefit |
| AI Noise Reduction (1–15) |
Super-clean audio |
| PA/AM/FM/USB/LSB Modes |
All popular modes in one radio |
| Dual Watch (2 channels) |
Monitor two frequencies at once |
| Adjustable Color Backlight |
Day/night visibility |
| Clarifier (fine tuning) |
Perfect SSB reception |
| Full Button Lock |
Prevents accidental changes |
| 12–13.8V DC (neg ground) |
Works in cars, trucks, base |
| Direct battery connection |
Max power + less noise |
| Complete kit (mic, bracket, cord) |
Ready to install |
| SO-239 antenna connector |
Standard, easy to use |
Included Accessories:
- 310SDR Unit ×1
- Stock Microphone ×1
- DC Power Cord with Inline Fuse ×1
- Mounting Bracket with Hardware ×1
- Microphone Hanger with Hardware Set ×1
- Operating Manual ×1
- Warranty Registration Form ×1
Important Installation & Safety Notes
- Do not install in any location that interferes with safe vehicle operation.
- Do not pinch or sharply bend power or antenna cables.
- Route coaxial cable away from power cables and vehicle wiring.
- Before installation: measure battery terminal voltage with engine running – must not exceed 16 VDC.
- A switched power source is recommended to prevent draining the vehicle battery.
- Connecting directly to the battery provides:
- Maximum RF output
- Noise reduction (battery acts as a large capacitor)
- When testing VSWR:
- Close all vehicle doors
- Avoid testing near large metal objects or buildings
Key Selling Points of the 310SDR Transceiver
1.Advanced AI-Powered Noise Reduction
Feature: Built-in AI Noise Reduction with 15 adjustable levels (default level 6).
Benefit: Dramatically cleans up receive audio by reducing background noise, making weak signals clearer and listening less fatiguing, especially in noisy mobile or base environments.
2. Multi-Mode Operation
Feature: Supports PA / AM / FM / USB / LSB modes, selectable via a single button (MODE/BEEP).
Benefit: Extremely versatile – works for short-range FM, long-distance SSB (USB/LSB), and standard AM. Suitable for both hobbyist and professional use across different bands.
3. Dual Watch (DW) Function
Feature: Monitor two channels simultaneously with the DW/RFG button.
Benefit: Never miss traffic on a priority channel while scanning or listening to another. Ideal for monitoring emergency or calling channels.
4. User-Friendly Color LCD & Menu System
Feature: Adjustable LCD backlight color (long press MENU/COLOR) and an intuitive menu system.
Benefit: Customizable visual interface for day/night operation. Easy to navigate settings without needing a computer.
5. Clarifier (CLARIFIER) for Fine Tuning
Feature: Dedicated Clarifier mode (CLA/LOCK button) with adjustable tuning steps.
Benefit: Allows precise fine-tuning of off-frequency SSB signals, ensuring clear voice reproduction on sideband.
6. Built-In Protection & Lock Function
Feature: One-button full lock (long press CLA/LOCK) disables all buttons and knobs. Also includes VSWR protection guidelines (do not exceed 1.8:1).
Benefit: Prevents accidental setting changes during operation. Following VSWR guidelines protects the final RF transistors from damage.
7. Robust Mobile & Base Installation Flexibility
Feature: Works on 12–13.8V DC negative ground systems. Can be connected to fuse block (switched) OR directly to battery.
Benefit: Direct battery connection maximizes RF output and reduces vehicle noise (battery acts as a large capacitor). Suitable for both permanent mobile installs and base station use.
8. Complete Package – Ready to Use Out of the Box
Feature: Includes transceiver, stock microphone, DC power cord with inline fuse, mounting bracket & hardware, microphone hanger, manual, and warranty card.
Benefit: No need to buy additional basic accessories. Everything required for installation and operation is included.
9. Standard Antenna Interface
Feature: Rear-panel SO-239 connector (PL-259 mate) with 50-ohm impedance. Recommends RG213, RG58A/U, or Mini RG-8 coax.
Benefit: Compatible with virtually all standard HF/VHF mobile and base antennas – easy to replace or upgrade antennas.
10. Ignition Noise Blanker & Filter Compatibility
Feature: Built-in noise blanker circuit. For extreme cases, compatible with RF Limited XLF Series alternator/ignition noise filters.
Benefit: Significantly reduces alternator and ignition whine in vehicles, providing clean receive audio even in electrically noisy installations.
Featured Review
“The LT-310SDR punches well above its weight for the price. Compact, multi-mode, and the AI noise reduction actually works.” — Simon the Wizard, simonthewizard.com
Additional information
| Weight |
0.7 kg |
| Dimensions |
21 × 19 × 5 cm |
| Config |
Dark Blue
|
| Frequency Range |
26.965 ~ 27.855 MHz
|
| Number of Channels |
80
|
| Antenna Impedance |
50 ohms. unbalanced
|
| Frequency Control |
Digital Phase-Locked Loop (PLL) Synthesizer
|
| Power Supply |
12–13.8V DC. negative ground
|
| Output Power |
SSB: 15W. FM: 7W. AM: 7W (Avg). PEP: 16W
|
| Frequency Steps |
10 Hz – 1 MHz
|
| Spurious Emissions |
>50 dB below peak output
|
| Carrier Suppression |
>55 dB below peak
|
| Unwanted Sidebands |
>50 dB below peak (1 kHz tone)
|
| FM Deviation |
±2 kHz max
|
| Audio Response |
>30 dB below peak
|
| Microphone Impedance |
300–30.000 Hz. ECM. 2.2 kΩ
|
| Circuit Type |
Double Conversion Superheterodyne
|
| IF Frequencies |
1st: 10.695 MHz (SSB). 2nd: 455 kHz
|
| Sensitivity |
SSB: 0.25 μV (10 dB S+N/N). AM: 1.0 μV. FM: 0.3 μV (12 dB
SINAD)
|
| Selectivity |
SSB: 2.6 / 3.3 kHz (-6 / -60 dB). AM/FM: 6.0 / 9.0 kHz (-6 / -60
dB)
|
| Clarifier Range |
Continuous (Digital VFO)
|
| Audio Output Impedance |
8 Ω
|
