Description:The Surge Protector is a lightning arrester of coaxial construction. The device is designed to absorb the surge of lightning strikes on an antenna at the top of a building and ground it, thus providing full lightning protection for transceivers, receivers, etc.Features:Designed with a stress on high safety, this device has a built-in gas-charging surge arrestor element which discharges and grounds the surge at the moment the surge voltage exceeds a specified level.This device makes the actions of surge discharge and restoration as repeatedly as necessary. No replacement is practically needed .Should the surge arrestor element be damaged, it can easily be replaced with a new element.The coaxial construction of this device assures excellent high frequency characteristics, wide bandwidth and low loss and VSWR.1/4 wavelength short circuit principle for good lightning protection effect. Simple structure, strong, easy installation.Specifications:Material: IronColor: BlackModel: CA-35RSConnector: UHF/UHFFrequency range: 0-2500MHzVoltage standing wave ratio: 1.1Peak power: 400wVoltage: DC 230ACurrent: 500AImpedance: 50 ohmsSize: 78 x 41 x 20mm / 3.1 x 1.6 x 0.8inPackage weight: 105gPackage List:1 x Coaxial Lightning Surge ProtectorNote:Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. .
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Cable Length : 300cmGain(dB) : otherModel Number : Scanner AntennaBrand Name : AOKINOrigin : Mainland ChinaSpecifications:Gain: 7dBi;Frequency Range: 20MHz - 1300MHz;Compatible with: Amateur Radio; Car Mobile Radio; Handheld Ham Radio; Two Way Radio;Public Radio Scanner;Feature: Magnetic Base Mounting;VSWR: < 2.0;Impedance: 50 ohm;Direction: Omni-directional;Cable Length: 3m / 10 feetMounting Base Diameter: 45mm;Cable Connector: BNC Male Connector NetWeight: 78g;Operating Temperature: -20 ~ +80Storage Temperature: -30 ~ +85Package List:1 x Antenna
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Item contains:One item. I can provide a large number of spare parts for old PCs.
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1This is a portable TV, conforms to DVBT/T2, can watch analog TV, digital TV and ATV. 2USB port, secure digital/MMC card slot, play U disk drive content, support 1080p video, MKV, MOV, AVI, WMV, MP4, MP3, video. 3The 14-inch digital TV has a high-sensitivity tuner, and the signal receiving ability is enhanced. 4Digital TV is equipped with 1800mah, rechargeable lithium battery, for outdoor use. 5Digital TV supports highdefinition TV program recording to USB flash memory or hard disk(PVR) function. Item Type: 14 Inch Digital Television Material: ABS Receiving Channel: ATV 48.25mHz ~ 863.25mHz Digital TV VHF (50mHz ~ 230mHz) UHF of Digital TV (474mHz ~ 862mHz) Display: Color TFT-LED Interface: For Antenna Interface/VGA Interface/AV Input Interface/AV Output Interface/Headphone Interface/HD Multimedia Interface/USB Interface/Power Interface/Power Switch/secure digital/MMC Card Audio Output: 2W (Maximum) Battery Type: Lithium Battery Built-In Battery Capacity: 1800mAh Screen Size: 16:09 Resolution: 1920 x 1280 Remote Control Battery Model: AAA x 2 Section (Not Included) Battery Plug: AU Plug Voltage: 110-220V Applicable Countries: Australia 1 x Manual 1 x Remote Control 1 x AV Cable 1 x Antenna 1 x Charger 1 x Digital TV
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1. Long-distance wireless transmission (up to 500 in open area , 10kbps rate in the air ). 2. Operating frequency range ( 433 - 458.5MHz , up to 255 communication channels). Maximum 100mW ( 20dBm ) transmit power ( 10 levels of power can be set ). 3. Built-in MCU, use serial port to communicate with external devices. Send 31 bytes at a time. 4. The module can support one-to-one, one-to-many transparent transmission communication through ID setting Changing the rate of a different serial port will synchronously change the rate at which data is sent over the air. ( 10kbps-100kbps) 5. Set the 'critical three minutes'. The module can send and receive data normally within three minutes of power-on. You can send the AT ' AT+ENABLE=1 ' to make the module enter the AT state for parameter setting. There is only this reserved word in these three minutes. After more than three minutes, you will not be to enter the AT mode, you can only send and receive data, ' AT+ENABLE=1' will also be sent out as data, there are no reserved words at this time. Product Name: VHF/UHF Radio Modem RS485 Wireless Transceiver 20DBM 433mhz Transmitter and Receiver Working voltage: 4.5V-5.5V; Interface : RS485(5V GND A+ B-) Frequency: 433MHz Transmit power: -40~+20dBm; Receiver sensitivity: -114dBm; Operating temperature: -25 Celsius~+75 Celsius; Transparent transmission mode rate :1200 2400,4800,9600(Default),19200; Open ground Transmission distance : 500M Size(without antenna): 74 x 24 x 16mm Recommend to than 2pcs How to use (more than the =2pcs): 1/2PCS,Module 1 and Module 2 send data to each other. 2 more than the =3PCS,One as master device, the other as will be as slave device. the way they work as as wired RS485 bus. Masterdevice transmit data, Slave devices all receive data.Any slave device transmit data, master device and the other slave devices can receive .When ever only allowed one device (master or slave) to transmit data. Application: IP PTZ Camera Modbus modbus temperature sensor LED Controller R4D3C32 N4D8B08 N4D8C12 RS485 Relay Remote control, remote measurement system; Wireless meter ; ,Home Automation ,Wiser Home; Access control ; Smart meter Colour:blue Material:Plastic + Metal Package Contents: 2 * 433M-458M VHF/UHF Radio Modem RS485 transceiver(With shell) Only the above package content, other are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.
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1 X XRF1535 / MRF1535. ORIGINAL MOTOROLA DEVICE.
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HIGH QUALITY RECEPTION FM RADIO: Supports FM (No AM) transistor radio with an automatic search and feature which can make up to 11 preset stations to through your favorites. reception allows you to enjoy music, morning talk shows, sports games, etc. or go camping outdoor. AND LIGHTWEIGHT: Take ! These headphones were designed to be portable and functional. The headphones are light and easy to take anywhere. Whether you're on a jog or taking a stroll, take these with you to more ! A great way to keep informed and enjoy the radio while . GREAT : A comfortable and , enjoy great sound wherever you go. With customizability the headphones come with a great heavy bass effect to enjoy music the way you to. The headset comes with AUX capabilities, perfect for using on your computer or MP3. SIMPLE DESIGN: A headset with a radio built in. The simple design gives you an adjustable head strap to fit perfectly to your head. Use the headset as a way to focus on what you're doing. The allows you to block out outside noises like TV, music, or people talking in public. BATTERY OPERATED: The headset uses 2 AA batteries which are not included and the long-lasting battery life to keep you going on those long . The headphones were designed to be worn for prolonged periods of time. Whether you need to use it on your computer, mp3, or these headphones are great for to what you . With multi-functionality and comfortable over the ear design, these lightweight headphones are a great convenient choice. head phone for jogging exercise best reception foldable lightweight Comfortable Design AUX IN Cable mp3 music computer notebook Clear Reception A comfortable and , enjoy great sound wherever you go. Take it for jogging, walking around , taking your dog for , doing household chore or workout at gym. AUX IN Cable included The headset comes with AUX capabilities, perfect for using on your computer. As , it can plug into your MP3 player so you can keep to whatever you like. EASY TO USE: Expertly designed with simple buttons that are easy to operate and control. It is also suitable for seniors and children. 11 PRESETS STATIONS: Navigate different stations and search for your favorite ones, you find you can up to 11 of your favorite stations as preset . colour:black Material:ABS Package Contents: 1* Radio Headphone 1* Audio Cable 1* Manual NOTICE: While the radio headphone serves as a good device for decreasing sounds like TV, music, or people talking in public. It is unable to cutting noises that extremely loud. Only the above package content, other are not included. Note: Light and different displays may cause the color of the item in the a little different from the real . The measurement allowed is +/- 1-3cm.
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UHF Band NPN RF Small Signal Transistor. MAKE: TOSHIBA. LOT OF 250pcs/500pcs/1000pcs OR 3000pcs. You are buying a.
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18W Baofeng UV-9R Plus Walkie Talkie VHF UHF Dual Band Handheld Two Way Radio Package Includeds: 1 x Walkie Talkie 1 x Antenna 1 x Power Adapter 1 x 9500mAh Li-ion Battery 1 x Belt Clip 1 x Handstrap 1 x Drop-in Charging Tray 1 x Manual 1 x Box Specification: Model: UV9R-ERA Material: Plastic Color: Black,Yellow(Optional) Plug: US/EU Plug(Optional) Power: 18W Battery: Polymer Lithium Battery Battery: 9500mah Talk Range: 1-15km Maximum Range: 5km-15km Storage Channel: 128 Working Frequency: VHF130-176MHz & UHF400-520MH2 CTCSS/DCS Function: Yes Power Saving Function: Yes Chinese and English Voice Prompt: Yes PC Software Programmable: Yes Size: Approx. 13*5*3.3cm/9.05*1.97*1.29" Features: Durable, Portable, Two-way Radio, Universal Feature: - IP57 waterproof and dustproof (Not diving). - High power/ mid / tow (5 W/3W/1 W) selectable. - Battery saving function "SAVE". - Emergency SOS sound and light alarm.DTMF emergency alarm. - With high LED definition display, the screen exquisite clarity. -Widely used in different area, including outdoor self-driving tour, property management, restaurant,security guard, etc. - 128 groups channels storage, with function of voice COMP CTCSS/DCS. - Dual band two way radio with build-in 9500mAh li-ion battery power supply. Note: *Please take note what plug do you need when you place the order,otherwise we will send the US plug * Base and AC adapter,do not soak in water, do not pour water. * Due To The Light And Screen Setting Difference, The Item's Color May Be Slightly Different From The Pictures. * Please Allow Slight Dimension Difference Due To Different Manual Measurement.
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2N3375 RF Power Transistor - VHF/UHF Power Transistor. New old stock. Price per item. Three available.
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Note: Our readers have limited applicability and cannot match all types of FRID cards. Built-in buzzer and LED. The reading distance is 0-6 cm (0-24 inches). Compatible with most 125KHz RFID cards. Supports EM4100 ID cards, 5200 cards, AWID cards, EM4305 cards, T5577 cards and some types of HID cards. 1356MHz IC card or UHF, UID card, HID iCIass, HID Pr0xCard II, HID Pr0xKey III are not supported. Handheld shape design. Comfortable in hand, operates on 2 AAA batteries, easy to use and carry. (batteries not included) Widely used in homes, communities, schools, offices, hotels, elevators, and any other place that requires security monitoring or access control support. Colour: Blue Material: Plastic Package Contents: 1 * RFID ID Writer 10 * EM4305 Writable Card Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.
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2 PEZZI= BF516 PNP SILICON PLANAR TRANSISTOR VHF/UHF MIXER/OSCILLATOR. If you are outside. Cerchiamo sempre di risolvere qualsiasi problema che si è verificato.
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Functions:r50 CTCSS 105 CDCSSrVOX Functionr English and Chinese Voice Promptr PC ProgrammingrEmergency Alarmr Intelligent ChargingrBattery Save rBattery Low AlertrOvercharge Protection rBuilt-in LED Flash LightrNoise Reduction rChannel Time-out TimerrBusy Channel Lock rChannel Monitor rScanning Function rBroadband (Wide) 25khz Narrowband (Narrow) 12.5khz SelectablerHigh or Low Power Selectabler rrPackage includes:r2-4 Two-way Radiosr2-4 1500mAh High Capability Li-ion Batteriesr2-4 SMA-Female Antennasr2-4 Chargersr2-4 Belt Clips (recommend using a screwdriver to install)r2-4 Handstrapsr2-4 Earphonesr2-4 User's Manuals
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Item contains:One item.
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