SQ909 is a handheld detector for comparing nearby RF readings and checking a possible camera lens by reflected red light. Its telescopic antenna, colored signal-level bar and high/low sensitivity control are visible on the body. The manual lists a 10MHz–8.5GHz RF range, vibration alert and a separate optical viewing window.
| Model | SQ909 |
|---|---|
| Listed RF range | 10MHz–8.5GHz |
| RF controls | Telescopic antenna; high and low sensitivity |
| Signal indication | Colored signal-level lights; vibration setting |
| Optical check | Red lights and viewing window |
| Battery | 500mAh rechargeable |
| Listed working time | Approximately 8–9 hours |
| Listed charging time | Approximately 1–2 hours |
| Dimensions | 55 × 89 × 15mm |
| Listed net weight | 65g |
Compare RF readings around the room
Extend the antenna and start with high sensitivity. If the signal-level lights stay high near ordinary electronics, switch to low sensitivity and move closer to the area being checked. Phones, routers and other active transmitters can raise the reading. Compare positions and inspect any unusual source directly rather than treating the light bar as a device identification.
Check a suspected lens by reflection
Switch to the red-light lens check and look through the viewing window while moving across a suspected opening from several angles. A bright reflection calls for closer inspection. Glass, metal and other smooth surfaces can also reflect light, so the optical check is one part of an inspection, not a positive camera identification.
Use the vibration setting when needed
The vibration setting provides an RF alert when the light bar is out of view. Test it with a known transmitter before relying on it during an inspection. The two sensitivity levels help narrow down a stronger nearby source after an initial sweep. The body measures 55 × 89 × 15mm and fits into a small tool pouch.
Charging and sample checks
The SQ909 manual lists a 500mAh battery, roughly 8–9 hours of continuous operation and a 1–2 hour charging time. A charging cable and user guide are listed with the detector. Run a sample in each mode, check the cable and manual language, and confirm the desired packaging before the wholesale order.
Wholesale price
These reference unit prices are in USD and follow the four quantity bands below. Send the quantity, destination, manual language and packaging requirements for a matching quote. Shipping is quoted separately.
| Order quantity | Reference unit price (USD) |
|---|---|
| 5–49 units | US$31.74 per unit |
| 50–199 units | US$31.13 per unit |
| 200–499 units | US$30.52 per unit |
| 500+ units | US$30.15 per unit |
Frequently Asked Questions
What frequency range is listed for SQ909?
The Wideband RF Detector with Lens Check and Vibration – SQ909 is specified for RF signals from 10MHz to 8.5GHz. Its telescopic antenna, high and low sensitivity settings and signal-level lights help an operator compare readings around a room. The reading shows nearby radio energy; it does not identify the source without a closer inspection.
How does the SQ909 lens check work?
The Wideband RF Detector with Lens Check and Vibration – SQ909 has red lights around a viewing window for an optical lens check. Shine the lights toward a suspected opening and look through the window from several angles. A reflection should be inspected closely; reflections from ordinary glass or polished surfaces can also appear.
Does SQ909 have a silent alert?
The Wideband RF Detector with Lens Check and Vibration – SQ909 includes a vibration setting for a pocket alert during an RF sweep. The colored signal-level lights remain useful for comparing readings when the device is in view. Test the vibration and sensitivity controls on a sample, particularly where phones, routers and other known transmitters are operating.
What are the SQ909 battery and size?
The Wideband RF Detector with Lens Check and Vibration – SQ909 has a listed 500mAh rechargeable battery and a 55 × 89 × 15mm body. The supplied manual lists roughly 8–9 hours of continuous use and 1–2 hours for charging. Confirm working time with the selected mode and battery condition on an approved sample.
What comes with a SQ909 sample?
The Wideband RF Detector with Lens Check and Vibration – SQ909 manual lists one detector, one charging cable and one user guide. Before a wholesale order, confirm the actual sample contents, manual language, charging connection, packaging and the operation of RF, lens-check and vibration modes. State the quantity and destination for a matching quotation.
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