27 results for power on off switch found in 0.000 seconds

Inductor . . . 6-position antenna switch . . . Balun for balanced lines . . . 1. ... easier than ever. Gives minimum SWR at only one setting. Broadband design ends ... handles 3 KW PEP SSB amplifier input power (1500 Watts PEP SSB output power). ... meter shows SWR, forward and reflected power at a single glance! You get a 6- ... position antenna switch that lets you select two coax lines and ... -T Tuner TM . . . . A new twist on proven technology Replacing two ... than ever. You get minimum SWR at only one setting and a broadband response that ... Q you get high efficiency and more power into your antenna. Wide-spaced tuning ... capacitor plates let you run high power without arcing. Lighted cross-needle ... shows you SWR, forward and reflected power simultaneously. It reads peak or ...

ground. A ground matching knob lets you switch in inductance to bring an attached wire ... meter reads SWR/Forward/ Reflected power at-a-glance. 4:1 balun for balanced ... current/voltage 12-position inductor switch and two 1000 volt air-variable ... ground potential even if your rig is on the second floor or higher with no ... that causes your rig to quit working on some bands? Do you have TVI/RFI that ... RF grounding, especially if your rig is on a second floor with no ground at all. ... to a single earth ground to help bleed off static and RFI and prevent RF hot spots ... 2500 Watts continuous carrier output on all modes and all HF bands into most ... unbalanced antennas even on 160 Meters where even the best antenna ... feature you'll ever want in a high power tuner -wide matching range, 1.8 to 30 ...

MHz Operation Custom designed inductor switch, 1000 volt tuning capacitors, Teflon R ... MHz. Tunes any antenna Tunes out SWR on dipoles, verticals, inverted vees, ... heavy duty 4:1 balun. Custom inductor switch The inductor switch is the most likely ... up in any antenna tuner. MFJs inductor switch in the MFJ- 949E was custom designed to ... in your tuner. 8-Position Antenna switch lets you select two coax fed antennas, ... true peak forward and average reflected power simultaneously on 300 Watt or 30 Watt ... ranges. Lamp has on/off switch, requires 12 VDC or 110 VAC with MFJ- ... TM lets you pre-tune your MFJ-949E off-the-air into its built-in dummy load! Makes ... MFJ 300W Roller Inductor Tuner Worlds only 300 Watt AirCore TM Roller Inductor ... SWR/Wattmeter reads true peak forward power, QRM-Free PreTune TM, 8 position antenna ...

just a tuner, its an 8-position antenna switch. The photo tells the story: you can ... lighted cross needle SWR/wattmeter with on/off switch (lamp uses 12 VDC or 110 VAC ... shows SWR, and forward and reflected power in 300/60 and 30/6 watt ranges selected ... inductor gives low losses for more power out. Uses 1000 Volt capacitors. The ... ultra-compact HF transceivers while offering features especially designed for the ... lines. From the factory, the MFJ-971 offers forward power readings of 30 watts ... maximum or 300 watts, on its cross needle meter. You can monitor ... forward power, reflected power, and SWR simultaneously. For dedicated ... converts the maximum forward reading on the meter to 6 watts. The meter lamp ... may be powered by an external 12 VDC source if you ...

L-network with antenna. Gives you more power out. Handles 300 Watts. SO-239 ... L-network with antenna. 11 values of switchable capacitance 30 pF-2000 pF. 600 Watts. ... compact 6Wx4Hx2 1/2D inches. RF Bypass Switches Connect your antenna and transceiver to ... this MFJ RF Bypass Switch and you can switch in or bypass your antenna tuner, linear ... , preamp, wattmeter or other device switch in and bypass any coax fed device with ... L-network with antenna. 11 values of switchable inductance, .2 uH-12 uH. Handles 200 ... a 50% wider matching range at a higher power level than lesser competing products. ... SWR/Wattmeter with backlit LCD, antenna switch for 2 antennas, built-in radio ... . You can select up to 4 antennas on each antenna connector. Each antenna ... solutions of competing products with only 128 L/C values each! Highly intelligent ...

com Lightning Protected Heavy Duty Coax Switches MFJ gives you a center ground position ... 500 MHz! Mount this 4-position SO-239 switch on your operating desk and youll have ... connectors. MFJ-1702C 2-position Coax Switch has a new lightning surge protection ... protection, better isolation. High power Antenna/ Transceiver Switch lets you ... select one of six antennas and one of six different transceivers in any ... 4 3/4W6 1/2Hx3D inches. Select one of six antennas from 1.8- 30 MHz. ... B MFJ Six Position Antenna/Transceiver Switch MFJ-1700C $99 95 Ship Code B Balanced ... line antenna switch Use one of six different balanced feedlines, 1. ... 89 95 Ship Code B 6 Position HF Antenna Switch MFJ-1706 back MFJ-1706H back MFJ-1704 ...

MFJ RF Sense T/R Switch Automatic T/R Switch senses transmitted RF and switches your ... receive (opened in transmit) for an On-Air sign or other use. Instead of using RF ... sense to switch the antenna, a control line input lets ... your key/keyer or PTT line switch the antenna. Adjustable time delay ... circuit gives you delayed switching. All modes. 200 Watts SSB PEP. Measures ... and lightning induced surges on 50 Ohm coaxial line. MFJs Guardian ... 69 95 Ship Code A Rig/Antenna RF Safety Switch MFJ- 1703 keeps your expensive ... you forgot to change your antenna switch! 1.8 to 30 MHz. Your transceiver is ... always hooked up to one of two antennas! Connect two rigs and ... two antennas and switch to different combinations. 300 watts ... CW. Handy mounting tabs. All metal, switches 50-75 Ohm unbalanced lines. MFJ-1703 $ ...

DC Multi-Outlet Strips Each Anderson PowerPole outlet can carry up to 40 amps. You can ... coded Red and Black. Extra Anderson PowerPole connectors, contacts and fuses are ... from your transceivers main DC power supply keeps you neat, organized and ... up and shorting out. Outlets are fused/switched/RF bypassed. New! MFJ DC Multi-Outlets ... with Anderson PowerPole connectors Genderless, polarized and ... standard MFJ-1118, $74.95. Lets you power two HF and/or VHF rigs and six or more ... RF bypassed 5-way binding posts let you power your accessories. They handle 15 Amps ... protected by a master fuse and have an ON/OFF switch with ON LED light. Built-in ... /4x2 1/2 inches. MFJ-1117, $54.95. For powering four HF/VHF radios (two at 35 Amps each ... to MFJ-1118. No 35 amp posts. Has ON LED and 0-25 VDC voltmeter. 15 amps ...

instantly replay to check your copy on the LCD display. Custom Character Sets ... exclusive. Practice copying realistic on-the-air style plain English QSOs. Gets you ... , prosign or FCC character sets (has only letters, numbers and prosigns required ... on FCC tests), random call signs, random ... to 8 characters). You can change speed on-the-fly while playing a session 3 to 60 words- ... , ready to use next time--just turn on and replay. Check your copy, select ... and program custom characters and words on 2 line LCD display with 32 huge 1/4 ... inch high-contrast characters powerful sound and sight learning! Only MFJ ... TM dots/dashes lets you concentrate on learning without distracting, harsh ... .95. Speaker for group practice. Loud, powerful audio! 3 3/4x3x2 1/4 More pocket size ...

jack lets you record and play back off-the-air signals great help if you didnt get it ... with high, medium, and low selection switches. It always sends out a constant and ... mode and max efficiency for SSB. Has On-Air indicator and an output level volume ... control. On-Air blinks on and off when in receiving mode and will light ... with PTT momentary and PTT lock switches that allow you to switch between long ... one-sided QSOs and fast two-sided conversations ... . The frequency up/down switches let you operate your transceiver at ... , MR, PF) are for Kenwood transceivers only. An output level meter lets you adjust ... Built-in battery check circuit. Press power switch and the level meter shows ... battery condition with power voltage for a few seconds. This ...

a miniscule 4% of total speech energy. On the other hand, the low frequencies, ... very little to intelligibility only 4%. To dramatically improve your ... reduce speech energy below 500 Hz where only 4% of speech intelligibility lies. The ... . . . Immune to RFI. Has phone jack, on/off speaker switch, 2 inputs, bypass ... switch. 10Wx2 1/2Hx6D . Needs 12 VDC. MFJ-1316 ... 12 VDC/1.5 Amps. MFJ-72, $58.80. All-in-one MFJ- 616 Accessory Pack. Includes MFJ- ... , two MFJ-281 speakers and MFJ-1316 power supply. Save $7! MFJ Speech ... Tiny, compact 3 3/4x3x2 1/4 inches, but powerful booming sound! MFJ Compact Mobile ... comfortable. Youll forget theyre even on as you listen to stations all over the ... . The MFJ-382 gives superb, loud and powerful ClearTone TM audio. Speaker is 3-in. ...

! Eliminate all types of noise severe power line noise from arcing transformers and ... affecting your signal. It works on all modes -- SSB, AM, CW, FM, ... BCB to lower VHF. Null out strong QRM on top of weak rare DX and then work him! ... built-in active antenna or an external one. MFJs exclusive Constant Amplitude Phase ... TM makes nulling easy. RF-sense T/R switch automatically bypasses your transceiver ... , use external antenna. Same size, power requirements. MFJ Tunable, Programmable ... noise and interference simultaneously on SSB, AM,CW, packet, AMTOR, PACTOR, RTTY ... up to 57 dB attenuation 75 Hz away. Only MFJ gives you 5 tunable DSP filters. ... pinpoint and eliminate interference. Only MFJ gives you 5 factory pre-set filters ... . Instantly remove QRM with a turn of a switch! MFJs automatic notch filter searches ...

without success including most recent ones. Why? Because MFJ has made continuous ... fine value . . . fair price . . . best offering to date . . . performs very well indeed ... radio bands. Has Tune, Band, Gain, On-Off/Bypass controls and SO-239 coax ... 30 MHz. 20 dB attenuator, gain control, ON LED. Switch selects two receivers and ... with MFJ-1312D, $14.95. Your ham band only antenna does great on the ham bands ... receive weak signals well into VHF. On/off switch, power on LED, SO-239 coax ... Code A Dont miss rare DX due to signal power loss between your receiver and antenna ... receiver input from damage (including switching diodes and attenuator resistors) caused ... but adds an RF sense transmit/ receive switch with adjustable time delay to ...

-detent makes listening or calling off-frequency a snap! Easy on your Ears: Smooth AGC ... tracks only the signals you want to hear it never ... locks onto strong signals outside the audio ... volume. Rugged Transmitter: Motorola power amplifier transistor delivers full QRP ... : Set adjustable hold transmit/ receive switching to suit your normal sending speed or ... for full QSK during contests. Easy to Power: It uses little power -only 50 mA ... average on receive and 1.2 amp peak on transmit. Perfect for battery operation ... Construction: MFJ CW radios are built on G-10 double-sided plate-through PC ... A Integrated CW Station Radio, tuner, power pack fasten together to form a tiny 6X6 ... .95; MFJ-971 tuner, $99.95; MFJ- 4114 power pack, $69.95; portable antenna, $39.95 ...

FAX, maps, etc. MFJ-1289M, $49.95, dos only version. MFJ-1284W, $49.95. MFJCom for ... and compatibles. MFJ-1284M, $29.95, dos only version for TNC2s. MFJ-43, $9.95. Real ... Faster communication lessens congestion on crowded bands. TNC still gets 300/ 1200 ... for compatibility with other TNCs. Switch between your TNC or Mic by pushing a ... Why tie up your expensive 2 Meter rig on a single packet channel? Enjoy ... high quality packet 1200 to 9600 baud on 2 Meters, 24 hours-a-day! MFJs data ... go! MFJ-8621, $149.95. Ready-to-operate on 145.01 MHz. Order other plug-in ... the 2 Meter version, ready-to-operate on 223.700 MHz. MFJ-9606X, $169.95. Voice ... Ship code A MFJ-1272B/M TNC/Microphone Switch Alinco 8/Strd HT Icom 1/Yaesu/ ... your favorite accessories and operate off your autos 12 VDC cigarette lighter ...

cables, RS-232 serial cable and AC power supply. Provides fully automatic ... Modes or Normal Operation Select the ON digital mode all connections are made ... Play includes software, all cables, AC power supply . . . RFI-proof . . . Isolation ... , CW Contest Memory Keyer . . . Monitor On/Off Switch . . . RFI-Proof Extensive ... or Mono Audio Input A front panel switch selects left, right, or both sound card ... to accommodate various programs. Off-the-air recording for replaying or for use with ... spectrum analyzer programs. Monitor on/off switch lets you have a normal QSO and ... at the same time in the monitor on position. This is great for modes like ... included --audio and RS-232 cables, AC power supply and a CD with a collection of ...

wander lead into the appropriate socket on the base coil. Fine tuning is done by ... -1880T (80M) $24.95 MFJ-4103 Miniature Switching Power Supply can deliver up to 40 Watts ... (13.8 VDC at 2.89 Amps) of reliable power anywhere in the world. Incredibly tiny ... 3/8 and weighs just 10oz., including power cord, connector. Output DC cable with a ... standard coaxial DC power connector (2.1mm ID, 5.5mm OD). Sturdy ... specs and out performs all other switching power supplies made for the FT-817. ... for input voltages 100-240 VAC and power line frequencies 47-63 HZ. Use the MFJ- ... in the world by plugging in an AC power cord with an appropriate wall plug for ... 6/10/12/15/17/20/30/40/80 Tiny 10 oz. Switching Power Supply for Yaesu FT-817 and QRP ... PL-259 connector. Hearty 2.15 dBi gain on 440 MHz and full size 1/4 Wave on 2 ...

multiple of a 1/4 wavelength) exists on all bands. Approximately 250 kHz ... bandwidth at 2:1 VSWR on 80 Meters. With the addition of a base ... feet, 114 lbs. MK-17, $89.95. 17M add-on Kit. LC-160Q, $109.95. 160 M loading ... OPTIONS: KIT-160-88, $189.95. 160 M add-on kit. GRK-88, $99.95. Ground Radial ... 20/30/40 M No ground radials required! Off-center-fed Windom has 55% greater bandwidth than ... superb stability and 1/4 wave resonance on all bands. 18 feet, 9 pounds. New!MK- ... 80, $79.95. 80 Meter add-on kit for AV-14AVQ. Easy to install. ... self supporting no guys required. They offer remarkable DX performance with their ... PEP SSB, have low SWR, automatic band-switching (except AV-18VS) and include a 12-inch ... 80 M 10 80 M 10 40 M 10,15,20,40,80 Max Power 1500 W PEP 1500 W PEP 1500 W PEP 1500 W ...

amplifier gives you 160 Watts of output power for just 25W in from your base/mobile ... . Youll talk further, longer, clearer on all modes --FM, SSB, CW hear weak ... amplifiers. High SWR or excessive input power can damage your amplifier. Protection ... to produce splatter and distortion as power level changes. This amp with Active- ... transmitting and kicks in 160 Watts of power. Adjustable time delay give you smooth ... transmit/receive switching. Remote external keying. You can ... way. An RC-2, $45, Remote Control turns Power On/Off and select SSB/FM. Extra heavy ... .5 inches. MIRAGE . . . 160 Watts on 2 Meters! Power Curve Typical Output ... Power in Watts FCC Type Accepted The A-1015-G ... out weak signals and score exotic DX on sporadic E! Youll talk further, longer ...

your amp and your pride if you connect power backward. Automatic RF sense transmit ... / receive switch makes operation super easy. Low input ... from overheating. Individual pushbutton switches lets you select FM/SSB operation, ... receive preamp on/off and power on/off. LEDs show On-Air, receive preamp on ... and power on. 5 1/4x1 3/4x4 3/4 . Free mobile mount ... . B-34, $79.95. Like B-34-G but FM only, less preamp, mobile bracket. Super tiny ... just 8 Watts in! 18 dB GaAsFET preamp, on/off switch, On-air, preamp and Xmit ... etc. Reach distant repeaters . . . Log onto faraway packet bulletin boards. This ... 2 pound amplifier that delivers a super powerful 100 Watts. Free 3 foot handheld to B- ... ! Automatic RF sense Transmit/Receive switch. Remote keying jack. LEDs monitor On-Air ...

to the magic of radio that needs no power. Put up an antenna, connect a ground. ... volatile EEPROM message memories. Carry on entire QSOs by just pressing memory ... transmitter circuitry, solid one Watt plus output, shaped keying, .3 uV ... crystal oscillator tuning, front panel switch selects 1 of 2 crystals. 1 crystal ... included. Transmit and Receive switch. Connect receiver. 1 3/4 x4x3 1/2 in. ... covers the entire FM sub-band and runs off your 9V battery. Experience what its ... and broadcast clear stereo programming on the FM band! Realistic grand movie ... jack to drive phones. QRM down 60 dB one octave from center frequency (750 Hz) ... .95. Super CW filter/ amplifier Kit has powerful 1 watt audio amplifier to drive speaker ... 1012K, $34.95. Voice Activated Recorder Switch Kit can remotely and auto record ...

revolutionary ALS-600 is amateur radios only linear amplifier that uses four rugged ... TMOS RF power FETs -gives unequaled no tune solid ... and a 120/220 VAC, 50/60 Hz AC power supply for home operation. You get ... ! ALS-600 gives 600 Watts PEP Output power and 500 Watts CW with continuous ... prevents amplifier damage if you switch to the wrong band, use the wrong ... protection enables if output forward power or reflected power exceeds a safe level ... . Output power is automatically reduced to prevent ... read SWR, forward and reflected peak power simultaneously. An Operate/Standby ... switch lets you run barefoot , but you can ... instantly switch to full power if you need it. You get a front-panel ... feature lets you adjust your output power on the convenient front panel display. ...

or 1500 Watts continuous carrier output on all modes and all HF bands into most ... antennas -- even on 160 Meters where most antenna tuners ... fail. Its perfect for Ameritrons most powerful amplifiers where the ATR-30 just loafs ... range impedance matching for true high power performance. 6:1 vernier reduction ... easy. Super Balun, 6 position Antenna Switch Super heavy duty three core choke balun ... core saturation. A 6 position antenna switch lets you select your desired operating ... antenna. Read true Peak Power Ameritrons active electronic true peak ... accurately reads forward and reflected power and SWR simultaneously on a lighted ... 1/2 D inches. Has Ameritrons superb one year limited warranty with legendary ... Handles 1.2 kW PEP SSB. Slightly less on 160 Meters. 13 1/2Wx5 1/2H x13 1/4D ...

.com QSK-5 Pin Diode Xmit/Receive Switch... $349 Worlds most advanced Transmit/ ... Receive Switch. Gives high power QSK operation from your linear ... unwanted harmonics. Frequency select switches to 1 of six different ranges, 1.5-30 ... selected it reduces harmonics above cut-off frequency. Handles 1 kW SSB input power ... CW or 400W RTTY. SWR less than 1.3:1 on all ham bands. SO-239 in/output. 5 1/ ... safely tunes up your amp for full power output and best linearity. Keeps ... average power to low safe level to prevent ... overheating, tube damage, power supply stress and premature component ... similar, variable pulser and delay. Add-on Electronic Bias System . . . $39 95 for ... Current Protector . . . $79 Stops power-up inrush current and absorbs momentary ...

AMERITRON Doubles Average SSB Power Ameritrons AL-80B kilowatt output ... linear can double your average SSB power output with high-level RF processing ... RF Bias TM completely turns off the classic 3- 500 tube between words. ... required). You get 800 watts output on CW, 500 watts output on RTTY, an extra ... heavy duty power supply, genuine 3-500 tube, nearly 70% ... ! Dynamic ALC TM doubles average SSB power The AL-80Bs exclusive Dynamic ALC TM ... can more than double your average SSB power for up to 6 dB improvement in ... intelligibility, maximizing talk power without distortion/splatter. A ... panel control lets you adjust output power level. The AL-80Bs exclusive ... Instantaneous RF Bias TM turns off the classic 3-500 tube (except ... guts of the AL-80B is its heavy duty power supply. A 26 pound transformer using a ...

AMERITRON...the worlds high power leader! 79 AL-811 . . . 600 WATTS ... linear amplifier gives you plenty of power to bust through QRM! You get a quiet ... transmitting tubes, extra heavy duty power supply, all HF band coverage, ... -811 covers all HF bands. No compromise on WARC and most MARS bands -- you get a ... 100% rated output. Operate AL-811 on all modes. Get 600 Watts output PEP SSB ... Watts output CW. You even get 300 Watts on continuous carrier modes like RTTY, ... emitting layer from instantly stripping off even if mistuning causes a sudden, ... are so inexpensive that you can replace one for mere pocket change. Extra heavy ... duty power supply gives you peak performance year ... after year The heart of the AL-811 power supply is its heavy duty power ... to explode or fail. Ameritrons AL-811 power supply is built tough so you get peak ...

Worlds First dual power level 300/150 Watts SSB/CW Tuner -- ... Select 300 Watt SSB/CW power level and match 6-1600 Ohm antennas Or ... . . . select 150 Watt SSB/CW power level and match extra wide-range 6-3200 ... complete with SWR/Wattmeter, antenna switch for two antennas and 4:1 current balun ... settings. The next time you operate on that frequency and antenna, these tuner ... connectors. Select up to 4 antennas on each antenna connector. Each antenna ... , MFJs IntelliTuner TM algorithm based on MFJ s famous SWR Analyzer technology ... components values are determined. Only those values are searched for ultra- ... read SWR, forward and reflected power at a glance. An audio SWR meter lets ... SWR when you cant see/read meters. Turn on a highly visible, instant response SWR ...