SIG SAUER ECHO RQ35 Thermal Riflescope 3.5-28X

The SIG SAUER ECHO RQ35 is a compact thermal riflescope engineered for close-to-mid-range observation and target differentiation. It pairs a responsive LWIR thermal core with a 35mm objective and a 3.5-28X magnification range to provide clear heat separation and wide situational awareness. Designed for balanced handling, the RQ35 maintains natural rifle ergonomics while offering recording and mobile configuration via the BDX app.

Key Specifications

• The magnification range is 3.5-28X for flexible close-to-mid-range use.
• The objective lens measures 35mm to support broad situational awareness.
• The thermal sensor resolution is 384x288 for efficient heat contrast.
• The system operates at a 50 Hz frame rate for responsive imaging.
• The thermal core is a 12um LWIR design with <20 mK sensitivity.
• There are 8 selectable color palettes for customized viewing.
• Integrated video recording is enabled for documentation and review.
• BDX 2.0 connectivity is enabled for app configuration and streaming.
• The listed runtime is 12 hours using the internal battery and optional 18500 support.
• The unit weighs 31.7 oz (900 g) and carries an IP67 waterproof rating.

The ECHO RQ35 offers a practical, performance-focused thermal package that supports observation, range, and field applications where fast detection and confident identification matter. Its compact footprint, recording capability, and BDX integration make it a versatile addition to optics setups that demand reliable thermal imaging and straightforward operation.