42 results for sound activated transmitter and receiver found in 0.000 seconds

with a built-in microphone for clear and loud delivery of voice and sound ... the single mini earphone picks up sound at a distance of up to 100 feet away ... jack for bedshaker snooze control and battery back-up 907654 $39.95 tgs pro ... vibrator wir 237 infrared tv receiver the guide uses the t32 transmitter ... participants wear the r35 8-channel receiver equipped with an earphone or headphone ... on accessories ideal for factory and plant tours museums and exhibits ... kit includes headset microphone transmitter 10 receivers and case delivers enhanced ... sound from tv stereo or audio output device ... or neckloop great for meetings offices and other small group situations.compatible ... with transmitters operating on 2.3 mhz/2.8 mhz 5-year ... with ear 013 earphone hed 021 headphone and nkl 001 neckloop 1-tel 040 teletalker ...

built in telephone ringer snooze dimmer and wireless doorbell and doorknock ... transmitter it also features a loud buzzer with ... adjustable volume control up to 95db and a bed shaker it has a variety of ... your alerting preference choose between sound vibration or flashing of table lamp or ... includes a night light reading switch and security timer it also works as a ... receiver for the ka300 system kit 981000 179.70 ... office or apartment into one system 1 transmitter included with system for 1 audible ... your home it covers a broad area and displays up to three alarm channels ... includes backup rechargeable 9v battery and ac adapter these alerting devices ... smoke carbon monoxide security pool and etc audible alarms when the alarm is ... activated a wireless signal will ka300tx be sent ...

hear-more silent call telephone transmitter the telephone transmitter is connected ... to a modular jack the transmitter signals the receiver alerting user to ... or strobe use with any silent call receiver operates on 9 volt battery included 5 ... devices by silent call handheld pager transmitter battery operated transmitter sends ... signal to any silent call receiver sc1004-1 65.95 pendant style pager ... transmitter battery operated transmitter sends signal to any silent call ... receiver sc1004-2 65.95 silent call doorbell ... transmitter transmitter is attached to wiring of doorbell ... activated by same current that operates chime ... wires to existing doorbell and sends wireless signal to any silent ... call receiver requires existing doorbell chime 5 year ...

omni page utilizes three components receiver transmitter and charger unit attaches ... easily to a belt or pocket and sends a vibration to alert the wearer ... when a transmitter is activated any one silent call transmitter may be ... used with the receiver 9v rechargeable battery included ... battery charger must be ordered w/receiver up to 100 ft range 5 year mfg warranty ... omni page kit 192.35 1 omni page receiver 1 telephone transmitter 1 battery ... charger the good vibrations receiver this unit receives signals from various ... silent call transmitters which in turn causes a vibration and ... below the symbol to let you know which transmitter is sending the signal 9v rechargeable ... battery charger must be ordered w/receiver sc1097-1 119.95 scbat $16.45 battery ...

devices personal amplification devices soundwizard ii complete system the powerful ... amplifier and tone control allows you to hear clearly ... comfortably at home watching tv the soundwizard ii is everything you need to stay ... -year warranty provides peace of mind and the optional infrared and phone modules ... provide flexibility and absolute value to this remarkable ... device the soundwizard ii is compatible with headsets earbuds ... neckloops silhouettes and external speakers it comes with a base ... receiver pair of dual earbuds aa batteries neck ... lanyard phone module short phone cord and a infrared module need to purchase ... infrared transmitter to use with tv 709832 $169.00 709853 ... $49.00 infrared transmitter hf mega ear with headset reliable ... amplifier with high/low frequencies on sound reception adjustable thumbwheel volume ...

this bed vibrator between mattress and box springs or under pillow and plug it ... -up alarm or into sonic alerts remote receivers lightweight and portable unit responds ... super shaker 120v bed vibrator when activated by your wake-up alarm or doorbell ... telephone and/or baby cry signaler the super shaker ... strobe wireless w/one button white receiver and one button built in strobe light is ... or noisy environments just plug receiver into a convenient wall outlet and it s ... vibrator place unit between mattress and box springs or under pillow and plug it ... sonic alert wake-up alarm lightweight and portable unit responds to wake-up alarm ... alert clocks 9000206 $49.95 doorbell transmitter can be used as a replacement or ... additional doorbell for am-100 and am-6000 units 9001815 $38.95 120055 $ ...

iambic paddle. Adjustable weight and tone and has a front panel volume and ... in dot-dash memories, speaker, sidetone and semi-auto/tune modes. Keys grid block, ... . Side tone with built-in speaker and volume control. Adjustable CW speed 5 ... . Keys direct or grid-block keying transmitters, solid state or tube rigs. Uses 9-volt ... Menu Driven Memory Keyer Same features and as the MFJ-490 but a stand alone unit ... Designed for classroom use with great sound that enhances learning of Morse code. ... Plenty of volume from a built-in 1W amp and 3 inch speaker. Volume control and ... , 1/4" key jack, 3.5mm external speaker and DC input jacks. Requires 12V DC. Metal ... include LCD readout, printer port and audio tape recording output. Build and ... A/B, reverse paddle, change speed and tone on-thefly). Practice sending into ...

to operate A/V components through walls and floors up to 100 ft. Operates on 418 ... near controllable unit, then plug the receiver in remote location. Cables and AC ... quickly to any 18 in. satellite dish and adds reception of all local VHF/UHF ... channels (2to 83) and FM broadcast. (88 to 108 MHz). Builtin ... , providing more than one TV with DSS and VHF/UHF signals. Powered thru the cable ... by a DSS receiver. Durable, powder-coated element and ... amplifier with gain control improves AM and FM reception. Works with tuners and ... receivers with 75& or 300& FM antenna inputs. The ... . Useful 30-40 miles from broadcast transmitter............. $24.99 MOD-41 RF Modulator Connect up ... 39.99 LF-30S Leapfrog WaveMaster 30 Transmitter/ Receiver System An easy-to-use, cost ...

set · capacitance 2000pf ±30 136653cg · transmitter bandwidth 4.0khz 112db sound pressure ... 40±1.0khz · lead length/spacing 0.39 · receiver bandwidth 3.5khz -71db min sensitivity ... ±20 · lead length/spacing 0.28 · transmitter bandwidth 5.0khz 100db sound pressure ... level 139491cg 112db 40 ±1.0khz · receiver bandwidth 5.0khz -75db min sensitivity ... products ship from a separate warehouse and may not ship the same day each ... sensors · · · · omnipolar magnetically activated switch · zero power consumption can be ... ysensors 513279cg actuator magnet speed and proximity sensor · aluminum housing · ... form power w · resistant to dirt and moisture switching volt max vdc ... product ships from a separate warehouse and may not ship the same day each ... this product is available in both rohs and non-rohs versions add an r before ...

4-channel 2.4ghz wireless audio/video transmitter system ccir ntsc pal eia format · ism ... band 2.413 ­ 2.470ghz · four selectable transmitter and receiver channels · antenna mode ... with 1.3mm x 3.5mm center positive plug and two 2.5mm male to rca patch cables part ... digital video multiplex recorder record and monitor your security surveillance ... attach a monitor for viewing features and connect your pc through the rs-232 ... a rj-45 cable for network connection and install 1 or 2 hard disk drives to the ... using tcp/ip or internal back-up · plug and play · rs-232c rs-485 4-alarm input 1 ... relay output · pan tilt zoom and focus camera control video i/f · 4- ... 12vdc 4.16a power supply manual and software in cd-rom part no mfr part no ... 1 10 2.4ghz wireless audio/video transmitter · frequency range 2413mhz to 2470mhz · ...

Frequency Display with Dimmer Improved Receiver Design New Green Backlite Display ... Frequencies Programmable Repeater Split Receiver Clarifier (?0.5kHz) Dual Panel Meters ... rack-mounted unit offers exceptional sound quality and large, easy-to-use controls ... , variable power, noise blanker and built-in heavy duty AC power supply and ... provides 150 watts PEP output, and a rear panel frequency meter output for ... meters display received signal strength transmitter power output and antenna SWR. Clarifier ... audio tone controls for accurate receiver tuning improved reception under ... of programming scanning functions, and programmable repeater split for FM ... including programmable repeater offset and capabilities for a CTCSS tone option ... repeater activity on 10 meters and receiver scanning for quick search of active ...

Frequency Display with Dimmer Improved Receiver Design New Green Backlite Display ... Frequencies Programmable Repeater Split Receiver Clarifier (?0.5kHz) Dual Panel Meters ... rack-mounted unit offers exceptional sound quality and large, easy-to-use controls ... , variable power, noise blanker and built-in heavy duty AC power supply and ... provides 150 watts PEP output, and a rear panel frequency meter output for ... meters display received signal strength transmitter power output and antenna SWR. Clarifier ... audio tone controls for accurate receiver tuning improved reception under ... of programming scanning functions, and programmable repeater split for FM ... including programmable repeater offset and capabilities for a CTCSS tone option ... repeater activity on 10 meters and receiver scanning for quick search of active ...

audio pro family it has a built-in receiver and 100 watt amp that drives a 10-in ... woofer and 4-in tweeter in a black carpeted ... a retractable luggage handle wheels and built-in tripod mount its full ... response of 35hz20,000hz provides extra sound reinforcement power to cut through ... it has an spl of 116db voice mode and 114db music mode that s as loud as a ... rock concert and is powered by ac or rechargeable ... travel partner family it has a built-in receiver and 250 watt amp that drives 2 6 in neo ... woofers and a dynamic compression tweeter in a ... a retractable luggage handle wheels and built-in tripod mount it is powered by ... speaker model s1244-70 has a built-in receiver and 50 watt amplifier that drives a 60 ... access controls for simple operation and provides utmost flexibility in getting ...

including the emitter follower and the Darlington. Studies power ampli ers ... classi cations, unipolar transistors, and thyristors. Includes discreet FETs, ... , linear regulated power supplies, and switching regulators. Discusses ... frequency effects and response of ampli ers. ELT 222 ... , operation, design, troubleshooting and programming. Investigates and analyzes ... for its operation. Includes programming and interfacing a microprocessor. ELT 223 ... an overview of electrical machines and how they relate to industrial ... of electrical motors, power factor and power factor correction, back-up power ... and electrical power monitoring. ELT 224 ... ers, their characteristics, operation and application, to linear and nonlinear ... introduction to Op Amp IC�fs, inverting and non-inverting ampli ers, comparators, ...

switch features · switches ac power on and off using low voltage control circuit ... up to 300vac or vdc · trace unenergized and open conductors · identifies breakers ... and fuses without powering down · locates ... in a bundle · identifies control alarm and telephone system wiring · traces ... coaxial cable shield · receiver range 1 to 3 feet from a cable being ... traced includes · receiver · transmitter · carrying case · 110v pigtail cordset ... multitest · true rms trms · measures and records broad spectrum of power quality ... ac voltage to 600v including sags and surges harmonics thd and individual up ... to 49th active reactive and apparent power and energy peak demand ... power factor frequency measurement and phase sequence · works with single and ... three phase systems · detects and records voltage anomalies sags and ...

passport® p-10we uhf personal sound system with wireless belt pack ... transmitter passport® this highly portable personal ... sound system is ideal for paging applications ... day-care activities crowd control and all situations where you need to raise ... the p-10we systems are battery powered and weigh only 6.5 lbs wired p-10 and ... comes complete with a wireless beltpack transmitter includes lavaliere headset microphones ... battery charger and shoulder strap the p-10we also features ... -1140-000 passport® p-10we uhf personal sound system with wireless belt pack ... transmitter $799.99 uhf wireless executive system ... for the ultimate in portable sound systems a 16-channel uhf wireless ... connect the custom designed docking receiver into any p-80 pd-150 pd-150 plus pd-250 ... battery into the included belt-pack transmitter and away you go no wires antennas or ...

electronic kits . . . fun to build and use! Full featured CW Keyer Kit is the ... in radio! Self-completing dot-dashes and dotdash memory forgive timing errors. ... radio circuit without soldering a thing and listen to the magic of radio that needs ... . Stations will come in amazingly loud and clear. 1 3/4x5x6 1/2 . Has antenna wire ... level. Order VEC-121K, $19.95. Aircraft Receiver Kit tunes entire voice aircraft band ... , gain advanced weather information, and discover how the National Air Traffic ... . True sinewave sidetone with soft rise and fall time eliminates harsh keyclicks. ... . Order VEC-221K, $69.95. Shortwave Receiver Kit lets you listen to the world! ... 40, 30, 31, 20, 25, 22, 19, 17, 16, 15 and 13 Meter bands. Explore AM, SSB, CW, ... WWV, RTTY and Packet signals. Vernier reduction drive ...

system offers automatic self-arming and hands-free disarming for vehicle ... communicates directly on its own unique and individualized frequency with the hands ... free security module and antenna attach the hands free fob to ... vehicle after riding your vehicle park and switch the ignition off with your key ... disabling your vehicle starter ignition and electronic fuel injection efi the ... module integrated security sensor and turn signal module hands free fob ... antenna module antenna harness and antenna mount dyna models 68200-07 ... fits 07-later touring and sportster® models 68207-07 fits 07- ... later vrsctm dyna® and softail® models except 08-later fxcw/c ... and 09 vrscf 91684-08 fits 08-later fxcw ... /c except japan and 09 vrscf models $299.95 $299.95 $299. ...

if a car or person passes by the transmitter simply place the transmitter near the ... entrance to your driveway and any anything passing by the transmitter ... will cause the receiver to sound a pleasant 80 db alarm the driveway ... patrol has a whopping 400-foot range and is battery operated making it easily ... sneak out at night requires one 9-volt and three c size batteries not included ... ever vigilant protection for your home and person the first thing a home intruder ... in 1 alarm #pa2in1 $14.95 surroundings and announces visitors by creating an ... alarm setting any detected motion will sound an 80 db alarm sensor has a 26-foot 8 ... motion sensor is completely portable and ready to guard any area you choose it ... the door is opened it will jam the door and at the same time gives off a loud ...

which include a built in dvd player and wireless headphone transmitters peace ... lcd monitors reproduce vivid colors and provide crisp clear viewing of your ... can be a journey full of vivid imagery and sound in your rear seat have your ... favorite movies and video games waiting for you whenever ... universal slim profile · mpeg 1/2/4 mp3 and wma playback · adjustable display modes ... headphone optional wh204h · built-in receiver for compatible device · easy-fit ... bracket included · supports ntsc and pal · dimensions 49/10 w × 3-2/5 h × 4/ ... headphone optional wh204h · built-in receiver for compatible device · easy-fit ... bracket included · supports ntsc and pal · dimensions 7-1/8 w × 5-3/8 h × 1 ... universal slim profile · mpeg 1/2/4 mp3 and wma playback · adjustable display modes ...

electronic kits fun to build and use comprehensive soldering course kit ... designed for schools and individuals includes theory quizzes pc ... board and components for soldering practice used ... by universities vo-techs businesses and others order vec-1500k $29.95 crystal ... radio circuit without soldering a thing and listen to the magic of radio that needs ... stations will come in amazingly loud and clear 13/4x5x61/2 has antenna wire ... in radio self-completing dot-dashes and dotdash memory forgive timing errors ... true sinewave sidetone with soft rise and fall time eliminates harsh keyclicks ... filter kit has sharp four pole peak and notch filters zero in with frequency ... you vxo frequency control broadbanded transmitter circuitry solid one watt plus output ... .3 uv sensitivity direct conversion receiver includes crystal for popular qrp ...

every corner of the home cbx-300 cd receiver system tuner other features · 4 ... /am loop antenna · remote control cd receiver features · plays cds mp3-encoded cds ... and wma-encoded cds · enables playback of ... for cd entire/1 track/memory/random and mp3/wma cd 1 folder discs that have not ... · aero acoustic drive for powerful and natural sound · separated speaker ... up to 30 meters at 2.4 ghz · quick and easy to set-up · optical and analog ... recommended ipod not included rx-1 receiver unit rx-1 rear view contents · digital ... wireless audio receiver rx-1 · usb transmitter utx-1 · audio cable stereo mini-rca pin ... connecting the rx-1 in superb audio and video playback not just for music but ... video and photos too analog audio r l analog ... own dedicated remote control charged and ready to go perfect as a charging ...

operate. FMODs are packaged in pairs and can be combined with other FMODs to ... of crossovers to change the slope and crossover frequency point. FMODs ... a 12 dB per octave crossover slope and are compatible with all RCA type input ... running between the source (head unit) and the amplifi er. 24 kt gold over brass ... the line driver has an 8 volt output and the amplifi er has a 100mV (0.1V) to 2 ... to about 1/2 rotation. Many home A/V receivers and basic amplifi ers do not have input ... level controls and attenuators are also perfect for these ... FM reception for cars, boats, trucks, and RVs. Reduces fading. Improves sound ... unit to low level for use with amps and equalizers with RCA type inputs. Not ... speaker systems. Low pass, band pass, and high pass models for use with woofers ...

mm) Weight (Approx.): 4.6 lb. (2.1 kg) Transmitter RF Power Output (@13.8 V DC): SSB/CW/FM ... : 200-10k Ohms (Nominal: 600 Ohms) Receiver Circuit Type: Double-Conversion ... . Wide frequency coverage, outstanding receiver performance, and the convenience of ... design, with oftenused switches and knobs conveniently positioned for ... FREQUENCY COVERAGE RUGGED, HIGH-OUTPUT TRANSMITTER DESIGN Providing transmitter coverage ... of the HF, 50 MHz, 144 MHz, and 430 MHz Amateur bands, the FT-857 also ... 100kHzto56MHz,76to108MHz, 118-164MHz, and 420-470 MHz. Enjoy the excitement of ... , along with weather broadcasts, AM and FM broadcasts, aviation communications ... Borrowing extensively from the FT-897 transmitter design, the FT-857's rugged power ... ,providinglownoise ,lowdistortion,and highreliability.OnHFand6m eters, ...

valeo ­ diversity and value for pediatric fittings valeo ... with its 15 channel flexibility and the 3x3 soundselect valeo ensures that ... the best signal processing strategies and features are available according to the ... child s developmental and hearing needs research has shown that ... can be crucial in pediatric fittings and depends on the degree and configuration ... hearing instrument wearers freedom and wearer comfort digital feedback ... canceler audiozoom and digital noise canceler aero ­ value and ... lifestyles aero offers unrivalled value and versatility for young lifestyles with ... sophisticated digital technology and a full range of features the three ... processing strategies dwdrc dsc and dlimiting respond to individual needs ... and tastes and can be used as an acclimatization ...