If there is a human body with a heartbeat, the Resqtec Life and Motion Tracer will detect it.
Even an unconscious human body can be detected seen the LM1 detects the movement of the chest.

LIFE AND MOTION TRACER

LM1Radar System: Ultra Wide Band (UWB)

Antenna: Enhancement-model medium coupling UWB Antenna

Center Frequency / Protection class: 400MHz / IP65

Through-wall detection range: thickness of wall: 50 cm / 19.7 in.

Through-wall detection range: detection range: Resting life body ≥ 25m / 82 ft. ; moving life body ≥ 30m / 98.4 ft.

Penetrable material: Concrete, soil, rock, non-metal (i.e. wood), low moisture content objects

Penetrating performance: Detects any vital signs through 10m / 32.8 ft. brick solid wall

Detection Opening angle / horizontal area / cone-shape volume: ±60°/≥8400m2 (10046 ft2)/≥84000m3 (10046 ft2)

Remote Control Distance≥: 100m (328 ft) in spacious circumstance

Detection Accuracy / Detection Model / Medium offset mode: ±10cm (3.9 in)/ single-dimensional range finding model /air; through wall; ruins

Function of Remote Expert Service / GPS: Supported

Dimensions radar host / hand-held terminal: 430 x 430 x 180 mm (16.9 x 16.9 x 7 in.) / 193 x 122 x 10 mm (7.6 x 4.8 x 0.4 in.)

Weight radar host / hand-held terminal: 6.5kg (14.3 lbs) / 345g (12.2 oz.)

Continuous working period radar host / hand-held terminal: 10 hrs.

Batter type radar host / hand-held terminal: Chargeable lithium hydrate battery

Operating system / Software: Android 4.0.3./Object identification system software LM1

Operating temperature: -20°C +60°C (-4°F +140°F