| SENSOR | A device that receives a signal or stimulus and responds to it (6) |
| ROUTER | A device that receives and sends data on computer networks (6) |
| SENSER | Receiver of a signal or stimulus (6) |
| DRAWAVEILOVER | Doctor and one partner receive a signal to hide |
| IRS | Government agency that receives a lot of money in April: Abbr. |
| EVACUEE | First Lady to receive a signal, she flees danger (7) |
| BEACON | A fire or light on a hill as a signal or warning (6) |
| BEEPER | Electronic device that receives signals and emits a beep to summon the person carrying it |
| GANTRY | Area behind a bar where bottles are mounted in optics; a stand for barrels; or, a structure supporting a crane, railway signal or road sign (6) |
| FILLIP | A boost or stimulus to an activity (6) |
| BECKON | To signal or summon as by nodding or waving (6) |
| ALARMS | Exclamations meaning "to weapons!" originally, later a word for distress/alert signals; or, devices transmitting said warnings, such as bells, clocks, sirens or tocsins (6) |
| HOIST | Word for "lift", hence a group of flying colours or flags, raised as a signal; or, a crane, jack or pulley with which to heave, elevate or winch (5) |
| PROD | Word for an ankus or spur; or, a poke with such a goad, thus a cue, reminder or stimulus to incite or urge forth (4) |
| CALL | A summons; a short social visit; a square-dance direction; or, a signal or series of notes sounded by bugle (4) |
| REACT | ABOUT TO PERFORM AND RESPOND TO A CERTAIN STIMULUS |
| BONFIRE | A large outdoor fire that is lighted as a signal or in celebration (7) |
| FLAG | An oblong, square or triangle of bunting as a vexillary emblem, ensign, signal or standard; a yellow iris; a bushy tail; or, from the Old Norse for "slice of turf", a flat slab or paving-stone (4) |
| DOUBLEUP | Share a room and respond to a very funny situation? |
| LATENCY | Time that elapses between a stimulus and the response to it (7) |