The SIG Sauer ECHO RQ35 is a compact thermal riflescope designed to expand situational awareness at close-to-mid engagement distances. It pairs a 35mm objective with a responsive LWIR thermal core to produce clear heat separation and confident target differentiation. The RQ35 supports recording and mobile configuration via the BDX app, and offers an internal battery with external 18500 support for extended runtime. Its form factor is optimized for balance and natural rifle handling.
Key Specifications
- The objective lens measures 35mm for broad situational awareness.
- The magnification range is 3.5-28X to cover close-to-mid ranges.
- The thermal resolution is 384×288 for efficient target detection.
- The sensor runs at a frame rate of 50 Hz.
- The field of view is 7.6° for a balanced view at low magnification.
- The unit provides 8 selectable color palettes for display preference.
- Recording capability is yes for onboard video capture.
- BDX compatibility is BDX 2.0 enabled for app integration and configuration.
- Typical run time is 12 hours using the internal battery with external 18500 support.
- Ingress protection rating is IP67 for weather resistance in field conditions.
Purpose-built for users who need reliable thermal observation without added bulk, the ECHO RQ35 balances performance and maneuverability. Its combination of a responsive thermal core, recording capability, and app-enabled configuration makes it a practical option for everyday field use where fast detection and clear target separation are priorities.
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