The Sig Sauer Echo RQ35 (model SOEC31200) delivers dependable thermal performance in a compact, efficient configuration built for practical engagement distances. A 35mm objective lens and a 384×288 thermal core give crisp heat separation for fast detection at close-to-mid range.
Key Specifications
- Manufacturer: Sig Sauer
- Model: Echo
- Product Type: Thermal riflescope
- Magnification: 3.5-28x
- Thermal Resolution: 384×288
- Objective Lens: 35mm
- Thermal Sensitivity: Less than 20 mK NETD
- Frame Rate: 50 Hz
- Run Time: 12 hours (internal + 18500 external)
- Waterproofing: IP67
Frequently Asked Questions
What is the difference between the RQ35 and the RV35? The RQ35 uses a lower-resolution 384×288 thermal core in the same compact 35mm-objective body, making it a more affordable entry point into SIG’s Echo R lineup, while the RV35 steps up to a 640×512 sensor.
Does the Echo RQ35 connect to the BDX app? Yes, it is BDX 2.0 enabled, allowing you to stream video, record footage, and adjust settings through SIG’s BDX mobile app.
Buy the Sig Sauer Echo RQ35 Thermal Riflescope
Shop the Sig Sauer lineup or browse more of our Night Vision Optics selection at Schaefer Defense.
| UPC | 798681704132 |
|---|---|
| Manufacturer | Sig Sauer |
| Manufacturer Part Number | SOEC31200 |
| Model | Echo |
| Power | 3.5-28X |
| Product Type | Thermal Optic |
| Resolution | 384X288 |







