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Showing 1-10 of 100 products
 B08GPFB6W7 Availability: Currently unavailable Score: 1000.000 Category: Electronics Rating: 3.3 Votes: 12 Find similar productsDIY Kits 1.8-50MHz ATU-100 Mini Automatic Antenna Tuner by N7DDC 7x7 + 0.96 Inch OLED Firmware Programmed. . |  B099ZLVV3V Price: $93.6 Score: 7.463 Category: Electronics Rating: 4.4 Votes: 74 Find similar productsMalahit ATU-100 Antenna Tuner 1.8-50MHz atu100 by N7DDC 7x7 0.96 Inch OLED 3.2 Firmware Programmed with Housing Assembled Machine with USB Cable（No Battery）. . |
 B08TX33MX5 Price: $26.99 Score: 7.407 Category: Electronics Rating: 3.7 Votes: 18 Find similar productsHAM 1-30 Mhz Manual Antenna Tuner for HAM HF Radio QRP DIY Kits, Good Helper for Antenna Erection. Specifications: Days when exposed to tune straight power: <20W Days when adjusting the input power tuning: <3W Tuning indication: LED display Interface: Q9 type Operating frequency: 1-30MHz Antenna Interface: Q9 type The antenna impedance matching range: about: 30 - 300 ohms Carrying RF power: less than 15W Tuning required RF power: less than 3W Box size: Approx. 10cm x 6.8 x 5.0cm Package weight: 210g Descriptions : 1. This is a set of DIY parts for QRP manual tuning. You need to have a certain foundation of electronic technology, understand related components, and be familiar with welding, assembly and debugging. Please read the kit instructions carefully before assembling. 2. The built-in circuit board is a standing wave indicator circuit, which is convenient for welding, simple process and not easy to make mistakes. It is the standard configuration of each version. 3. This tuning can add proper inductance or capacitance to the original non-resonant antenna to make the radio work normally. 4. It can modify the original resonant antenna, but due to external influences, the SWR of the antenna that has changed. 5. It can be used as a band-pass filter to reduce unnecessary out-of-band radiation when transmitting, and to reduce out-of-band cross-modulation and interference when receiving. Package : 1-30 Mhz Manual Antenna Tuner kitsThis kit is not a ready product but need welding and install by yourself. August Update - Products come with instructions. |  B09HGVM791 Availability: Currently unavailable Score: 6.711 Category: Electronics Rating: 3.5 Votes: 20 Find similar productsMalahit ATU-100 EXT 1.8-50MHz Automatic Antenna Tuner by N7DDC 7x7 Open Source Shortwave Antenna Tuner 3.2 Firmware Machine with Shell SMA to UHF/BNC. . |
 B00AR0CTZM Availability: Currently unavailable Score: 5.882 Category: Electronics Rating: 5 Votes: 1 Find similar productsMFJ-991B Auto Tuner + SWR 1.8-30MHz 300W balun. World's First dual power level Tuner -- Select 300 Watt SSB/CW and match 6-1600 Ohm antennas Or select 150 Watt SSB/CW and match extra wide-range 6-3200 Ohms. New 10,000 VirtualAntenna(tm) Memories. Like MFJ-993B, less digital SWR/Wattmeter/ LCD display, audio SWR meter/audio feedback, antenna switch or 4:1 current balun. |  B08F5GSRLN Price: $35.01 Score: 5.525 Category: Electronics Rating: 1 Votes: 1 Find similar productsMini Whip Active Antenna, 10KHz-30MHz 9-15V HF LF VHF SDR RX Active Antenna w/Portable BNC-BNC Coaxial Cable 3m/6m + Power Feed Unit. . |
 B0B9XPFLR7 Price: $69.98 Score: 5.435 Category: Electronics Rating: 1 Votes: 1 Find similar productsGPS Module FS-IBG01 Support GPS Beidou Satellite Dual Satellite System Positioning for RC Car RC Boat. Flysky GPS Module FS-IBG01 Support GPS Beidou Satellite Dual Satellite System for RC Car RC Boat Features: 1. Supports multiple satellite systems such as GPS and Beidou, and has the characteristics of high sensitivity, short acquisition time, strong anti-interference ability and low power consumption of the system. 2. In dual-mode mode, the speed measurement accuracy is 0.05m/s, and the positioning accuracy is better than 0.5m. 3. Rich usage scenarios: support cars, ships, airplanes, robots, etc. 4. Tracking: -167dBm.Capture: -160d Bm. Cold start: -148dBm.Warm start: -157dBm. Cold start time: average 26s.Hot start time: average 1s. Positioning accuracy: 0.3 degrees.Speed measurement accuracy: 0.05 m/s.Time Accuracy: RMS 99% 30ns. Maximum height: 50,000m.Acceleration: ?4g. 5. LED display: yes.Update frequency: 10Hz.Data format: i-BUS2. Input power: 3.5~9V/DC.Temperature range: -10??+60?.Humidity range: 20%?95%. Specification: Product model: FS-iBG01 Support satellite system: GPS, Beidou Compatible models: cars, ships, airplanes, robots, etc. Tracking: -167dBm Capture: -160d Bm Cold start: -148dBm Warm start: -157dBm Cold start time: average 26s Hot start time: average 1s Positioning accuracy: 0.3 degrees Speed measurement accuracy: 0.05 m/s Time Accuracy: RMS 99% 30ns Maximum height: 50,000m Acceleration: ?4g LED display: yes Update frequency: 10Hz Data format: i-BUS2 Input power: 3.5~9V/DC Temperature range: -10??+60? Humidity range: 20%?95% Dimensions: 40.2*40.2*18.5mm Body weight: 24.1g Appearance color: black Certification: CE, FCC. |  B07L5GHLQP Availability: Currently unavailable Score: 5.435 Category: Electronics Rating: 1.9 Votes: 2 Find similar productsBingfu Dual Band 978MHz 1090MHz 5dBi Magnetic Base SMA Male Antenna for Aviation Dual Band 978MHz 1090MHz ADS-B Receiver RTL SDR Software Defined Radio USB Stick Dongle Tuner Receiver. Specifications: Gain: 5dBi; Frequency Range: Dual Band 978MHz 1090MHz; Compatible with: RTL SDR Software Defined Radio SDR ADS-B Receiver USB Stick Dongle Tuner; VSWR: <2.0; Impedance: 50 ohm; Direction: Omni-directional; Connector: SMA Male Connector; Feature: Magnetic Base Mounting; Net Weight: 68g; Operating Temperature: -20°С ~ +80°С Storage Temperature: -30°С ~ +85°С Package List: 1 x Antenna (As the Picture Shown);. |
 B0855Q8XY5 Price: $4.49 Score: 5.348 Category: Electronics Rating: 2.9 Votes: 6 Find similar productsComimark 1Pcs Breakout Board Si4703 FM RDS Tuner for AVR ARM PIC Arduino Compatible. Breakout Board Si4703 FM RDS Tuner For AVR ARM PIC Arduino Compatible 100% new and high quality Item Weight:0.0088 pounds Color : As the picture Quantity: 1Pcs Feature: This is an evaluation board for the Silicon Laboratories Si4703 FM tuner chip includes an amp and a headphone jack, and that’s everything you need to get up and running! Beyond being a simple FM radio, the Si4703 is also capable of detecting and processing both Radio Data Service (RDS) and Radio Broadcast Data Service (RBDS) information. The Si4703 even does a very good job of filtering and carrier detection. It also enables data such as the station ID and song name to be displayed to the user. Using this board we are able to pick up multiple stations just as well as with a standard FM radio. The board breaks out all major pins and makes it easy to incorporate this great chip into your next radio project. Also, by plugging headphones into the 3.5 mm audio jack, you effectively use the cable in your headphones as an antenna! Therefore, this board does not require an external antenna if using headphones or a 3.5 mm audio cable longer than 3 feet. Package Included: 1Pcs Breakout Board Si4703 FM RDS Tuner For AVR ARM PIC Arduino Compatible(If the number of products received is incorrect, please contact us . we will refund or give you a replacement). |  B000X39SR0 Price: $96.94 Score: 5.291 Category: Electronics Rating: 4.5 Votes: 132 Find similar productsFireStik FG3648-B Three foot No-ground plane CB antenna kit (Black). PURPOSE: The FGX-648 (where X = antenna length in feet) series, 'No ground plane (NGP) CB antenna kits were specifically designed to solve the problems associated with the lack of ground plane. This normally occurs on vehicles constructed of plastic, fiberglass, wood or aluminum. Ground plane problems typically show up in the form of high standing wave ratio (SWR) and poor performance. The isolated ground plane that is built into the FGX-648 series kits can also eliminate problems on metal base vehicles that lack the sufficient ground plane for proper operation. COMPONENT INFORMATION: ANTENNA: The antennas used in these kits is altered in order to maintain a desirable center band position when used with the tuned coaxial feedline. Accordingly, these antennas may only be used with the Firestik NGP cable. The antenna used in these kits have our patented no tools required tunable tip for fast and easy SWR adjustments. The rated wattage for these kits is 100 watts. COAXIAL FEEDLINE: The seventeen-foot (5.2 M) coaxial cable used in these kits is of the highest quality. We use a multi-wire stranded center conductor to the prevent breakage that can occur with solid center conductor cable. The coaxial feedline serves as a tuned circuit that creates the necessary counterpoise. If a longer cable length is required, the user may add standard RG-58 A/U cable between the radio and system cable, preferably in lengths that are multiples of nine feet. Because it is a tuned circuit, the length cannot be reduced without causing non-repairable damage. MOUNT, SPRING AND HARDWARE: To compliment the quality of the antenna and feedline, the mount used in these kits is our stainless steel, 3-way 90° angle mount. A stainless steel spring with machined brass ends acts as the coupling between the antenna and the feedline. ADDITIONAL FEATURES: Each kit includes a FREE microphone hanger. |