Radioddity QT40 10 Meter Mobile Ham Radio SSB/AM/FM/PA 40W, NOAA Alert
Radioddity QT40 10 Meter Mobile Ham Radio SSB/AM/FM/PA 40W, NOAA Alert
General Technical
Frequency Range: RX/TX: 28.000-29.695MHz (Programmable); RX: VHF: 140-170MHz & Weather band.
Frequency Band: L/H band: A/B/C/D/E/F,
Channel: 480 channels (40 programmable per band)
Frequency Control: Phase-Locked-Loop Synthesizer
Frequency Tolerance: ± 5.0 ppm
Temperature Range: -20°C to 50°C
Microphone: with push-to-talk /UP/DN and coiled cord
Input Voltage: 13.8V
Dimensions: 11.2 x 7.9 x 2.4''
Weight: 3.3lbs
Antenna Connector: UHF, SO-239
VOX Level: 0-9
Roger Beep Level: Off, 01-05
LED Brightness Level: 1-3
Q & A
Q1: Why canât I hear any sound or receive signals on most bands?
A: This is often related to the Squelch (SQ) or RF Gain settings. If the Squelch is set too high, it filters out all incoming signals. Please try turning the SQ knob counter-clockwise to the minimum to see if static returns, then adjust gradually. Also, ensure your antenna is properly tuned for the specific band you are using.
Q2: How do I fix "Low Modulation" issues during transmission?
A: First, check the Mic Gain settings in the menu. To ensure your voice is crisp and clear on SSB or other modes, speak directly into the microphone at a consistent distance.
Q3: Is this radio legal to use in the US?
A: Our radio is designed for licensed amateur radio operators and complies with FCC part 15B regulations, FCC ID: T4K-ARESII. To operate on the 10-meter band in the US, an Amateur Radio License is required. Technician Class licensees have limited segments (28.000-28.500 MHz), while General Class and above have full access to the entire band.
Q4: Why is my SWR pegged out and there is no receive audio?
High SWR is usually caused by poor antenna grounding or placement. Ensure your antenna mount has solid contact with bare metal on the vehicle chassis. For no audio, check if PA mode is accidentally turned on, or if the Squelch is set too high. If the indicator illuminates yellow and shows Error Code E5 (TX SWR too high), stop transmitting immediately to protect the radio.
Q5: Why is the scan function not working?
You MUST adjust the Squelch (SQ) knob until the background static noise just disappears BEFORE activating the scan. If the squelch is open (static is heard), the scan function will not start.
Q6: How can I fix the product issue asap?
We provide lifetime suppor t. You can reach us via two ways:
1: From your Order Page (Recommend). Go to "Your Orde rs" > Find this orde r > Click "Get product support" or "Contac t seller".
2: From the Product Page,Look under the "Bu y Now" button > Click on "Radioddity" > Click the "As k a question" button.
Our tech team will reply within 24 hours with professional troubleshooting steps.
Thanks to the VOX function, you can keep your hands free while communicating. The QT40 automatically detects your voice and starts transmitting, allowing you to focus on driving or other tasks while staying in contact.
Say goodbye to static-filled conversations. The QT40 features digital noise reduction technology that filters out unwanted background noise, providing you with crisp and clear audio.
Whether you're tuning into your favorite FM/AM radio station, monitoring the latest weather updates, or communicating in SSB (LSB/USB)/PA modes, this radio has got you covered.
Functions & Features
- SWR Readout and High SWR Protection
- Voltage Protection
- Programmable Roger Beep
- Echo Function
- NPC function
- SCAN function
- FM Repeater Offset Function(+/- 100kHz)
- +10KHz Function
Functions & Features
- PC programmable
- CTCSS/DCS Codes, with separate settings for TX and RX
- TX and RX Noise Reduction(NRC)
- Scrolling Frequency Display Function
- SQ, ASQ Function
- RF Gain Adjustment & PWR Adjustment
- Microphone Gain Adjustment
- PWR/RX RSSI S-Meter
- NB/ANL Function
- TOT Function
- HI-CUT Function
- Busy Channel Lock
- TX Audio Monitor
- Powerful Performance: The QT40 10 meter radio boasts a 40 watts transmission power and 28.000-29.695MHz frequency range that delivers crystal-clear communication over long distances, making it an ideal choice for outdoor enthusiasts, truckers, and emergency responders. FCC ID: T4K-ARESII
- Noise Reduction: With TX and RX digital noise reduction technology, the QT40 ensures that you'll never have to strain to hear or be heard in noisy environments.
- Accurate Signal Meter: The PWR/RX RSSI Signal Meter provides you with a clear picture of your signal strength, helping you to optimize your communication for the best possible results.
- Weather Channel: With its impressive weather band and NOAA alert feature, you can stay ahead of the curve and be prepared for any sudden changes in the weather. Whether you're out camping, hiking, or simply enjoying a day out in the park, this radio has got you covered.
- Customizable Features: The QT40 is equipped with a range of customizable features, including CTCSS/DCS, ASQ, SQ function, RF gain control, TOT, VOX, HI-CUT function, and echo function, giving you complete control over your communication experience.
| Brand | Radioddity |
| Color | Silver & Black |
| Number of Channels | 40 |
| Special Feature | Auto Squelch, Echo, PC programmable, VOX Function |
| Frequency Range | 28.000-29.7MHz |
| Talking Range Maximum | 10 miles |
| Voltage | 13.8 volts |
| Water Resistance Level | Not Water Resistant |
| Item Weight | 3.3 pounds |
| Included Components | Microphone x 1, QT40 Radio x 1, USB Programming Cable x 1 |
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