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B07PXSGVGY Availability: Currently unavailable Score: 1000.000 Category: Electronics Rating: 2.6 Votes: 5 Find similar products Yoidesu SDR Radio SDR Receiver Protector,Advanced Design of Aluminum Housing,for SDR Reception SDR Preamplifier&Radio Protector. .	B07YYZL7M5 Price: $10.49 Score: 5.650 Category: Electronics Rating: 4.5 Votes: 60 Find similar products RFiotasy Lightning Surge Protector Square N Male to Female 50 Ohm 0-3GHz with 90V Gas Tube Coaxial WiFi Lightning Arrestor. It is a high-performance 50 Ohm coaxial N-Type Lightning Protection that operates over the frequency range of DC-3 GHz. It is ideal for protecting 50 Ohm 2G 3G 4G LTE Cell Boosters and Antennas, as well as 900MHz and 2.4GHz WiFi Access Points and Routers. 1.Materials & Plated: Body brass nickel plated,Teflon(PTFE) Insulator for a reliable signal every time Connectors: N-Male to N-Female 50 ohm RoHS compliant 2.Electricail Characteristics： Contact Resistance:Center conductor ≤ 1mΩ, Outer conductor ≤ 1mΩ Max Power:50W Insulation Resistance :≥ 5000MΩ Durability :≥ 500 cycles Temperature range: -40°C to +85 °C Frequency Range up to 3 GHz Attenuation is less than 0.2 dB VSWR less than 1.2 3.Package include: 1 piece N surge protector 4. Protects signal boosters from lightning strikes： Prevent a lightning strike from destroying your electrical system. The 50 ohm Arrester with N Male to Female Connectors can be installed to prevent expensive damage from incapacitating your circuitry. The arrestor safeguards your amplifier and boosted devices from power surges caused by lightning strikes to antennas mounted outside Arresters should be installed as close a possible to the equipment to be protected, often at the point where the coax cable enters the building. They can also be installed near the antenna for additional protection.
B00LNAKHO0 Availability: Currently unavailable Score: 5.376 Category: Electronics Rating: 2.8 Votes: 3 Find similar products Nobsound Tube 6N11/12AU7 HIFI Stereo Buffer Pre-AMP Preamplifier. .	B0B29F97KM Price: $19.81 Score: 5.376 Category: Electronics Rating: 2.2 Votes: 3 Find similar products SDR Receiver 10khz to 2Ghz Full Band SDR Radio Receiver 12 Digit ADC 60DB SNR RSP1 Software Defined Radio for Signal Reception. Specification: Item Type: SDR Receiver Material: ABS, PCB Bluetooth Version: Bluetooth V5.0, compatible with 4.2, 4.0, 3.0, 2.0. Wireless Types: Onboard, support external. Chip: For Realtek 8761BTV Output Power: 10dBm Receive Sensitivity: -94dBm at 0.1% BER. Bluetooth Protocol: SPP, HID, GATT, ATT, GAP Data Interface: UART, PC, PCM1IPS Working Temperature: -20℃~70℃ Package List: 1 x SDR Receiver Note: Pay attention to the correct operation.
B00FNITQRW Price: $264.99 Score: 5.236 Category: Electronics Rating: 4.3 Votes: 24 Find similar products MFJ MFJ-1026 Noise canceller, 1.5-30MHz. MFJ Noise Canceling Signal Enhancers are designed to reduce noise or interference, or improve desired signals, before the noise affects sensitive receiver circuits. Unlike conventional noise blankers, these units can be effective on all types of noise (QRN), as well as on interference (QRM) from unwanted signals. From the Broadcast Band to low VHF, these Noise Canceling Signal Enhancers work on all signal modes and can transform difficult receiving situations so you can finally hear, work, and log that rare DX! MFJ Noise Canceling Signal Enhancers allow the user to adjust both phase and amplitude while combining antenna inputs. One of two antenna inputs may be connected to the transmit antenna, and the other to an external receive antenna or the internal whip antenna on the model MFJ-1026. Or both inputs may be used with identical receive antennas to create various directional patterns for optimum results. The signal output to the receiver or transceiver is the vector addition or subtraction of signals from two separate antennas, balanced and phased. This allows unwanted noise to be removed or desired signals to be enhanced. Some other phasing systems provide either a limited phase adjustment range or change the signal's level as phase is adjusted. These MFJ units feature exceptional phase amplitude flatness making adjustments easy. Null out interfering signals or peak desired signals with the adjustment of a few controls, and pull in that station you want to hear! MFJ Noise Canceling Signal Enhancers are optimized over the range of 1.8 to 30 MHz and contain the interface circuitry necessary for operation with most modern HF transceivers. Although these signal enhancers contain internal RF sensing for T/R (transmit-receive) switching, we strongly recommend the use of the external T/R control connector on the rear panel for keying. These units run on 12 Vdc or 110 Vac with an optional adapter, sold separately.	B07KTZHXDW Price: $20.59 Score: 5.155 Category: Electronics Rating: 4.4 Votes: 130 Find similar products UHF Coaxial Lightning Surge Arrester, Lightning Surge Protector Male to Female UHF Connector. .
B07G14Q6XX Price: $19.95 Score: 5.155 Category: Electronics Rating: 4.5 Votes: 216 Find similar products RTL-SDR Blog Wideband Low Noise Amplifier Bias Tee Powered. Includes 1x RTL-SDR Blog Wideband LNA (Bias Tee Powered) and 1x SMA male to SMA male adapter. This is a general purpose SPF5189Z based wideband LNA. Works from 50 MHz to 4 GHz with a noise figure of less than 1dB and a gain of 18.7dB @ 900 MHz. Requires bias tee power, but there is an internal header which can be used to switch to external power, although you won't be able to use the enclosure in that case. If you're looking to improve ADS-B performance we recommend our Triple Filtered ADS-B LNA. Please note again: Requires 3 - 5v bias tee power. The RTL-SDR V3 provides 4.5v so is suitable. IMPORTANT ESD NOTE: If you use this LNA placed close to an outdoor antenna, please ensure that your antenna is sufficiently grounded. There is a fast ESD diode, and GDT on the LNA PCB for dual protection, but if the antenna is not grounded the effectiveness of ESD protection components will be severely reduced, and you run the risk of damaging the LNA.	B08TX33MX5 Price: $26.99 Score: 5.102 Category: Electronics Rating: 3.7 Votes: 18 Find similar products HAM 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.
B079CNCR8V Price: $19.95 Score: 5.076 Category: Electronics Rating: 4.2 Votes: 178 Find similar products Flamingo FM - Broadcast FM Bandstop Filter (FM Notch Filter) for Software Defined Radio (SDR) Applications. A high-quality, high-performance bandstop filter designed for software defined radio (SDR) applications. Designed and manufactured by Nooelec in North America, with a full 2-year product warranty. Broadcast FM can be particularly problematic due to the high-powered transmitters used for broadcasting in some areas. These signals can overload the front end of an SDR, causing imaging and a number of other issues. We designed Flamingo FM to provide sufficient attenuation for broadcast FM frequencies (>40dB typical) while ensuring adjacent bands, such as the important VHF airband (108-137MHz) are minimally affected. The -3dB rolloff of the filter is 80MHz and 115MHz. Minimal out-of-band insertion loss means the filter can stay in place for most any application. As a true bandstop filter, you are able to pass-through DC (bias power) when it is required. DC current handling is 250mA (min), and the maximum recommended signal level is 18dBm (5Vp-p), so there is no issue using the filter for higher-power applications. Typical performance characteristics can be found on the downloads tab of the product page on our website. Flamingo FM has its filter circuitry fully shielded with an EMI frame, and has its front end protected by an ESD diode meant for RF applications. 2 mounting holes are available on the PCB for various mounting options, and the SMA hardware (washer and nut) is included.	B08TBMP54X Price: $17.99 Score: 5.000 Category: Electronics Rating: 4 Votes: 123 Find similar products TENEALAY RCA Audio Volume Controller, line Volume Control Box, Mini attenuator knob -RC11. Description: This RC11 box is a mini size line volume controller, you can adjust volume quickly without using the music player. Product design is pure volume level control, it is not affect sound quality or color added. (it has no amplification function) Very conveniently to control volume to get a comfortable listening level. Features: Compatible with many devices and music system: headphones/headsets, MP3 player, smartphone, PC computer, TV, amplifier,active speaker etc which have line out jacks Quality potentiometer and other components. Build in aluminium CNC chassis, looks nice and durable. With rubber feet on bottom. Connectors: 1 x RCA input 1 x RCA output Use instruction: No need power supply. Plug and play. Increase or Decrease volume by Turning the volume knob in front manually.