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![]() B07X3Z8YTD Price: $12.49 Score: 1000.000 Category: Electronics Rating: 4.5 Votes: 62 Find similar productsHiLetgo Digital FM Transmitter Module FM Transmitter Stereo Frequency Modulation DSP PLL 76.0-108.0MHz Multi-Function Frequency Modulation with LCD Display. Specifications: Output Power: 100mW Modulation Mode: standard FM Equivalent Noise: >=30dB Power Supply Voltage: DC 3.0V-5.0V Operating Current: 35mA Adaptive Antenna: 75cm bar antenna Audio Frequency Response Range: 50Hz-18 KHz Transmission Frequency: 76.0MHz to 108.0MHz (Campus broadcast: 76.0MHz-87.0MHz) Frequency Adjustment Stepping: 0.1MHz/times (short press the key); 1.0MHz/times (long press the key) Sound Track: LINE/USB channel (stereo); MIC channel (single channel) Settings: 1. Setting of backlight LED mode When the power is off, press the “FRE-” and “FRE+” button at the same time to start up. B1 indicates always bright. B0 indicates that the backlight is closed for 20 seconds, and the reset setting takes effect. (the factory defaults to 20 seconds of backlight delay). 2. Start/close the campus radio frequency band Press VOL+ and VOL- key at the same time, and then connect the power supply. LCD displays C1, which means to start the campus broadcast(76-87mhz). C0 means closing the campus radio frequency band. Take effect after restart. (the factory defaults to close the campus radio frequency band). 3. Settings of stereo/mono transmission mode The back of the module has two solder joints M,G. Short connecting is the monophonic launch. Disconnecting these two points is the stereo system launch. (the factory defaults to stereo system launch). Note: the stereo system must satisfy the input to the module's audio source is stereo and the radio is also stereo to achieve the stereo effect. When using a single speaker (monophonic) radio or input to the module's audio signal as mono, there is no stereo. Package Includes: 1 * Digital FM Transmitter Module. | ![]() B008ZR0KK0 Availability: Currently unavailable Score: 9.346 Category: Electronics Rating: 5 Votes: 1 Find similar productsClearFM™ 0.5W Long Range Fm Transmitter - CZH-05B - WITH NEW HI (0.5W) LO (0.1W). The 100mW - 500mW FM transmitter is designed to transmit fm signal wirelessly, while maintaining transmission stability, clear high quality stereo sound, being compact and intuitive, and simple and easy to use. Features A high-fidelity high-stability: Built-in PLL frequency PLL, audio pre-emphasis, limiter and low pass filter circuit, can achieve high-fidelity, high stability of signal transmissionClear stereo sound quality: Has a total of three power amplifier, to ensure that the output of three-dimensional sound effectsGood shielding: Designed closely, not because of external sensor signals generated frequency driftExcellent heat dissipation: Use of a high quality aluminum alloy chassis, lightweight and excellent heat dissipation, can ensure the stability of continuous work equipment>Easy to use: Panel with LCD (blue backlight) shows transmission frequency, according to the identity of each interface to connect other hardware, easy to adjust, and intuitive. Technical Specifications: Power Output: 100mW/ 500mW ±20%FM Transmitter Frequencies: 76-108MHzTuning Step: 100KHz/0.1MHzPower Supply: 9-12V DC (The current load of power supply should over 1A)Stability of Frequency: ±0ppm?-10?~+50??Frequency Response: 100 - 15000HzSignal to Noise Ratio: >70dBDistortion: <0.5%Operationn Time: True 24/7Antenna Design: Rubber AntennaAntenna Connector: BNC typeOutput Impedance: 50 ohmAudio Input Connector: 3.5mm headphone connectorMic Input Connector: 3.5mm headphone connectorTuning Design: Stable PLL TechnologySize of Transmitter Unit: L:113mm, W:88mm, H:38mmShipping Weight: 1KgTransmission Signal: FM Stereo Package Includes - ClearFM CZH-05B FM Transmitter-Black or Silver *1- Rubber Antenna*1- Power supply *1- Power cord *1- Audio cable *1. |
![]() B01BLN8RK4 Availability: Currently unavailable Score: 8.264 Category: Electronics Rating: 2.4 Votes: 2 Find similar productsFailSafe 25Watt Professional Long Range Transmitter + Professional Grade -7D Cable + RangeMax 2.0 1/2 Wave Antenna (0.1 W to 25.0 W + Built-in SWR Meter). The CZH-T251 25Watt FM transmitter is a professional FM transmitter. It is featured with one button control for all functions, including: RF output, VSWR protection, temperature protection, electronic volume adjustments. It is also equipped with low pass filters. This means that with one touch you are able to setup the transmitter and walk away without worries of the equiptment breaking due to temperature or RF feedback. It’s applicable in many places, such as stadiums, radio stations, motels, public squares, churches, theaters, and many more... This kit comes with a transmitter, power supply, an easy to assemble di-pole antenna, and our professional grade broadcast cable. Everything you need to get broadcasting right out of the box. The RF output is easily adjustable between 0.1W and 25W. This means that the system is perfect for whatever size application you wish for it. Technical Specification -Size 215mm x 165mm x 54mm chassis -RF power up to 25 watts -Standing wave protection, and overtemperature protection. -Output power from 0.1W ~ 25W continuously adjustable -RF power lock feature -Screen depicts exact output power and various working status. Operating frequency: 87.5 ~ 108MHz Output power: 0-25Watt (continuously adjustable) Output Impedance: 50 ohm Spurious and harmonic radiation:-60db Frequency response: 50 ~ 15KHz (3db) Distortion: 0.2% Left and right channel separation: 45db LINE IN connector: RCA two-channel Cinch (stereo) The microphone interface: 6.5mm (1/4inch Jack) Rated working voltage: DC 12~13.8V 5A/6A Maximum power consumption: 60W. | ![]() B01A7Q3A44 Availability: Currently unavailable Score: 6.803 Category: Electronics Rating: 4.1 Votes: 15 Find similar productsBundle Deal - 0.5 W Fail-Safe Long Range FM Transmitter FS CZH-05B + Rangemax 1.0 Antenna. Kit includes: 500 mW RangeStar FM Transmitter - RangeMax 1.0 Professional Grade Antenna - 3.5 mm Audio Cable - 25′ 50 Ohm Cable Adapter ***The RangeStar 500 mW Dual Mode Stereo FM Transmitter (FSCZH-05B) with 0.5 Watt or 0.1 Watt Dual Mode Capability, RCA Inputs, and TNC Antenna Connection is your answer for wireless music, audio, or voice throughout your whole house and property to any FM Radio in its path! F-S Electronics’ is a USA company focused on carrying the best of the best! The RangeMax 1.0 1/4 Wave Ground Plane FM Antenna is made for broadcast professionals coupling a unique, omnidirectional co-linear design and easy assembly with the same durability all F-S Electronics products are known for. F-S Electronics recommends the RangeMax for broadcasting applications from 1 Watt all the way up to 150 Watts and offers a 3.5 dBi gain boost perfect for low power professional FM broadcasting. It has an overall height of nearly 6 feet (2 meters) and a width footprint to match (6 feet), yet is still surprisingly very lightweight (under 3 lbs.)!!! But don’t be fooled…The RangeMax boasts a windspeed tolerance of 100 MPH and can even withstand direct blows without affecting its broadcast range. If you are a hobbyist, an amateur, or a broadcast professional, the RangeMax will not disappoint you–GUARANTEED! Specifications: Size: 70″ L x 70″ W (3/4″ to 1″ Mast) Gain: 3.5 dBi Frequency range: 88 MHz to 108 MHz Power max.: 150 Watts Connector: N-Type***. |
![]() B0002W7SYW Availability: Currently unavailable Score: 6.711 Category: Electronics Rating: 5 Votes: 2 Find similar productsSoundstream VFM5 Pll FM Modulator (Black). PLL FM MODULATOR. | ![]() B07Z7TPTS3 Availability: Currently unavailable Score: 6.494 Category: Electronics Rating: 3.6 Votes: 68 Find similar productsHYS HF Transceiver 3-30Mhz HF Power Amp for 3-30Mhz Handheld Radio with a Mini Fan. This model can be amplify for HF radio. 1.Turn on/off switch 2.Auto receive/transmit switch 3.Electrode reversal protect Specifications Frequency range:HF Operate voltage:12-14 Vcc Input current/POWER:14-20 A Input power:3-5 W Input power SSB:2-10 W FM Output power:PEP Max 150 W(Input 10W)(Note: Note:Normal the output power is 70-100W) AM Output power:PEP Max 150 W(Input 10W) (Note:Normal the output power is 70-100W) Output power SSB:300 W(Input 10W) PEP Max 250W (Input 5W ) PEP Max(Note:Normal the output power is 120-250w) Working mode:FM- AM-CW-SSB Note:if you will test the max PE power to FM/AM 150W or SSB 300w,you can try use input 10w from FM/AM /SSB radio but please don’t use too long time, the operate will cause damage to power transistor, more serious will cause the Amp to burn out. Blown fuse:2x12 A Dimension:109x225x35 mm Net weight:750 g. Product Description Compact high power all mode Amp with automatic TX/Rx switch and On/Off switch. Electronic switch. Inversion polarity protection.It will decrease the amp' life time and also if the antenna can not endure the output watt, which will damage the amp. Packing Incudes:1*TC-300N Amp. |
![]() B00D1QRPHG Price: $49.98 Score: 6.410 Category: Electronics Rating: 3.2 Votes: 38 Find similar productsTecsun PL-310 fm/am Stereo World Band Dsp Receiver. By-laws: PL-310's basic technical indicators: ● Frequency Range Frequency Modulation (FM) standard frequency coverage: Russia, part of the campus radio: 64 ~ 108 MHz Europe and the United States: 87.5 ~ 108MHz, Japan: 76 ~ 108MHz Short-wave (SW) 2300 ~ 21950 kHz Medium-wave (MW) in Asia, Africa and Europe: 522 ~ 1620 kHz North America: 520 ~ 1710 kHz Long-wave (LW) 153 ~ 513 kHz ● Noise limit sensitivity Frequency Modulation (FM) (S / N = 30dB) >2 uV Medium-wave (MW) (S / N = 26dB) > 1 mV / m Long-wave (LW) (S / N = 26dB) >10 mV / m Short-wave (SW) (S / N = 26dB) > 20 uV ● Optional: Frequency Modulation (FM)> 60 dB Medium-wave (MW)> 60 dB Long-wave (LW)> 60 dB Short-wave (SW)> 60 dB ● FM stereo separation: better than 35 dB ● Output Power: Speaker: 350 mW Headset: 8-32 ohm stereo headset ● Storage Memory: Total 500 Frequency Modulation (FM) 100 Ge Medium-wave (MW) 100 Ge Long-wave (LW) 100 Ge Short-wave (SW) 200 Ge ● Naoxing mode: radio or buzzer downtown downtown ring ring ● Quiescent Current FM <25 mA MW / LW <23 mA SW <35 mA Shutdown standby <90 uA ● speaker size and type of Speaker Dimensions: Diameter 57 mm / 16Ω cone speaker ● Power Supply : External Power: DC 5V 300 mA USB Adapter ● Physical Size: W 141 × high 87 × thickness 30 (mm) ● Weight: About 187g (without batteries) ● Random Annex: Stereo headphones, protective cover, manual, certification, service guarantees, after-sales follow-up survey form. ● Three kinds of colors: black, silver, gray. Colors indicate the time of purchase. Buyers did not specify the default to any color. ● In Stock.this item ships for FREE with Super Saver Shipping. | ![]() B07HF96RFP Price: $10.23 Score: 6.329 Category: Electronics Rating: 1 Votes: 2 Find similar productsfosa Bt Decoder Board, MP3 WMA Decoder BoardWireless Bt Module with USB and SD Card Slot, USBFMRemote Decoding Board Module. Description: This Bt decoder board with USB and SD card slot allows you to playback music from external U disk or SD card , as well as the FM radio broadcast. With memory function and backlight function , it is much convenient for you to operate and use the Bt decoder board. Specifications: Screen size: 45 * 8mm1.8 * 0.3inch Panel size: 87 * 23 * 31mm3.4 * 0.9 * 1.2inch Power supply: 12V , 5V Curt 800MA 1A Bt: Bt 4.2 Package weight: 41g Package List: 1 x Bt Decoder Board 1 x Remote Control 1 x Surface Cover 2 x 3 pin Cable 1 x 2 pin Cable Note: No hands e call function. |
![]() B07VGJYKT3 Price: $4.2 Score: 6.098 Category: Electronics Rating: 5 Votes: 1 Find similar productsBluetooth Receiver Board USB 5V Wireless Bluetooth 2.1 Audio Receiver Amplifier Module FM Radio Board Supports MP3,WMA,WAV,FLAC,APE. Features: 100% new high quality electronic components audio receiver board. Support playback format: This receiver supports MP3, WMA, WAV, FLAC, APE (only supports APE's FAST encoding format). The front-end output can directly push the earphones, or it can be connected to the power amplifiers. The audio input mode includes for Bluetooth reception, USB decoding playback, and card decoding playback. Professional manufacturing, high quality, myocardial infarction, high reliability. Specifications: Condition: 100% Brand New Material: Electronic Components Support playback format: MP3, WMA, WAV, FLAC, APE (APE only supports FAST encoding format) Power supply: 5V DC (original mobile phone charger can supply small USB plug) Size: approx. 5*4*0.9cm / 2.0*1.6*0.4in Package list: 1 * Bluetooth Receiver Board. | ![]() B00ZUC3CVW Price: $145.95 Score: 5.988 Category: Electronics Rating: 4.8 Votes: 14 Find similar productsViking Electronics VK-FXI-1 FXO, FXS Paging Adapter. Description: ?- Viking Universal Paging Interface- Select: Fxo (Loop Start), Fxs (Ring Trip) Or Paging Port (Vox Relay) Interface Mode- No Power Supply Required In Fxs Interface Mode- Up To 6 Units Can Be Powered From One Adapter In The Fxo Or Vox Mode- 30V Dc Talk Battery For Interfacing With Fxo Or Unused Phone System Line Input/Trunk Port- Floating 600 Ohm Paging Output With Volume Control- Normally Open Or Closed Relay For External Paging Amp Activation Or Interfacing The Paging Amp With An External Background Music Source- 800 Hz Pre-Announce Page Tone (On/Off)- Compatible With 24 To 48 Volt Fxs Operation- Calling Party Control (Cpc) Detection For Immediate Disconnect- Busy Signal Detect Disconnect- 2.5 To 5 Second Vox Silence Disconnect Timer- Programmable Vox Trigger Sensitivity- 16 Or 36 Second Default Disconnect Timer- Screw Terminal Block Connections- Wall Mount Housing: (2) #6X3/4 Panhead Screws Included - Power: 12-24V Dc @ 100Ma, 120V Ac/12V Dc @ 500Ma, Ul Listed Adapter Included (Not Required In Fxs Mode)- Dimensions: 111Mm X 76Mm X 36Mm (4.38?? X 2.97?? X 1.38??)- Shipping Weight: .48 Kg (1.06 Lbs)- Environmental: 0??C To 32??C (32??F To 90??F) With 5% To 95% Non-Condensing Humidity- Relay Contacts: 30V Dc@1A, 110V Dc@0.3A, 125V Ac@0.5A- Vox Minimum Audio Signal To Activate Relay: -30Dbm Minimum / -26Dbm Minimum @ 1Khz With Vox Sensitivity Switch At Normal / Lower Positions- Vox Time Out Disconnect: 2.5 Or 5 Second- Default Time Out Disconnect: 16 Or 36 Seconds- Talk Battery: 30V Dc Vkfxi1. |









