Catv signal level

8 PORT Cable TV Digital Signal Amplifier Splitter Booster Features:     *Brand New House-hold CATV Signal Amplifiers     *Adopting imported high-frequency amplification component, low noise current design     *Can reduce or totally eliminate a choppy / freezing picture     *Adjustable gain control to set the desired output power     *Reduce the graininess when the signal is weak     *Reduce the error rate with tele-text and boosts the transmission speed     *Can be used in any places, such as home, office or hotel     *1-in-8 out signal outlet, interfaces all set in one side     *Power: AC 220V 50Hz, convertor NOT included     *Note: Please install the CATV amplifier near the signal resource such as CATV Splitter if possible so that it can get the best eff Package Included:     * 1x House-hold CATV Signal Amplifiers

Features: 1. Limit conversion frequency:20KHZ. 2. Size: 95*72*18mm 3. Mounting Hole Size: 64*47mm, diameter 3mm. Application: 1. It can be used for signal isolation 2. PLC signal level converting 3. PNP/NPN signal to NPN signal 4. signal level voltage converter Package included: 1 x 24V To 5V 8 Channel Optocoupler Isolation Board

Features: CPU: NVT8304SE Fully DVB-S/S2 compliant. MPEG-2/MPEG-4(H.264)SD/HD decoding(MP@ML/HL) DiSEqC1.0/1.1/1.2, USALS, Unicable and MDU supported. Internet Application supported, Youtbe, Internet Radio, IPTV and OTT. USB PVR and Timeshift supported. Multimedia(MKV/AV/MPG/MOV/JPG/PNG/MP3 and so on)supported. USB WIFI dongle supported(Ralink5370/7610) 3G dongle supported(Huawei E303s/E77/E173/E153/E3131/E1750/E1752C) Easy and fast software upgrade through USB portm by HTTP serve or FTP serve, by OTA More than 5000 channels memory space. 8 Favorire channel groups. 7 days Electronic Program Guide(EPG) Channel search by automatic, manual and fastest blind scan. Teletext output with both VBI and OSD Multi-language subtitle output supported. Multi-language and 32 bits true color on screen display(OSD)supported. Aspect ratio 4:3 and 16:9 Signal level &quality indicator Parental Lock/Channel Lock Database backup to USB disk and restore from it at any time. Specifications: 1. Processor (1)Flash Memory:4Mb (2)DDR3: 512Mb 2. DVB-S/S2 Tuner (1)Input Frequency: 950~2150MHz (2)Loop out Frequency: 950~2150MHz (3)Input Level: -80~-20dBm (4)Input Impedence: 75Ω 3. Channel Decoding (1)Demodulation: QPSK, 8PSK (2)FEC Mode: DVB-S:1/2, 2/3, 3/4, 5/6, 7/8 DVB-S2: 1/2, 3/5, 2/3, 3/4, 4/5, 5/6, 8/9, 9/10(QPSK)3/5, 2/3, 3/4, 5/6, 8/9, 9/10(8PSK) (3)Symbol Rate: DVB-S:2.0~45MS/s (4)Demodulation: QPSK, 8PSK, DVB-S2:10-30Mb/s(QPSK), 10-31Mb/s(8PSK) 4. Demultiplexer (1)Standard: ISO/IEC 13818-1 (2)Input Max Bit Stream Rate: 100Mbps(Serial)/12.5MBps(Parallel) 5. Video Decording (1)Standard: ISO/IEC 13818-2, MPEG-2 MP@ML, MPEG-4 AVC (MPL4.1) (2)Aspect Ratio: 4:3, 16:9 (3)Video Format: PAL-B/NTSC-M/PAL-N/PAL-M (4)Video Resolution: 1080P, 1080I, 720P, 480P/576P, 480I/576I SD compatible 6. Audio Decoding (1)Standard: ISO/IEC 13818-3 (2)Decoding: MPEG-1 Layer ￢ﾅﾠand ￢ﾅﾡ, MPEG-2, MPEG-4 AAC (3)Output Mode: LPCM, RAW (4)Samping Frequency: 32, 44.1, 48KHz (5)Volume Level: 24 Levels 7. AV Output (1)Video de-emphasis: CCIR REC.405-1, 625LINES (2)Video Bandwidth: 5.5MHz (3)Video Output Impedence: 75Ω (4)Video Output Level: 1.0Vp-p (5)Audio Output: Stereo (6)Audio Output Frequency:20Hz~20KHz (7)Audio Output Impedence: low (8)Audio Output Level: A 1.0Vrms±2dB into 10K Package Included: 1 x DVB-S2 TV Receiver 1 x Remote Control 1 x User Manual 1 x Adapter

VU Meter Driver Module Audio Level Indicator Power Meter Board 5 LED Level Indicating DC 5V-12V Specification: Material: FR4 Operating voltage: 3.5 ~ 16V, 15mA Size: 42 x 30 x 11mm Suitable for: HIFI audio, car stereo amplifier, preamp, amp, microphone amplifying the audio signal level indication. And supporting the use of the current transformer, it can also be used to test alternating current size Feature: 5-Segment LED (3mm LED). 5 Level only LED display is -10dB, -5dB, 0,3dB, 6dB, and analog level meter used in conjunction, can be more comprehensive and accurate indication of the audio signal changes. USB interface power supply is easy to use, with reverse power protection. Packing includeds: 1 x Audio Level Indicator

  GT MEDIA V8 Satellite Finder Signal Meter Upgraded TV DVB-S2/S2X Receiver Sat Detector, HD 1080P Free to Air FTA 3.5" LCD Built-in 3000mAh Battery for Adjusting Sat Dish Gold Version New upgradeV8 Satellite Finder Meter support measurements of DVB-S/S2/S2X signals, H.265 Hardware decoding. Support for DiSEqC1.0/1.1/1.2/USALSand 22 kHz Tone. LNB short circuit protection. V8 Satellite Finder have 3.5-inch LCD color screen, 16-bit OSD with anti-flicker function. Suitable for NoviceIt is a useful TV Antenna Outdoor Signal Detector for beginners and suitable for the adjustment and installation of dish. Some satellites have been added to the machine, and users can also add many favorite satellite by themselves. With this finder, you can set and align a satellite dish quickly, easily and accurately. Full Satellite SelectionSAT digital locator. Support full satellite selection. Fast channel blind scan. DVB-S/S2/S2X TV Satellite Signal Finder Multi standard demodulation & decoding. And H.265 Hardware decoding. High PerformanceLithium-ion 3000mA BatteryNormal work up to 4 hours. support battery level display. The red flashing is charging, and the green steady light means full charge. Professional after sales serviceIf you have any questions, please feel free to contact me. I will do my best to help you solve the problem and make you 100% satisfied. Technical support website: www.freesat.cn Standard: System capabilities: DVB-S/S2/S2X system standard:ETS 302 307 LNB Input: Connector: F type, male Frequency range: 950MHZ-2150MHZ Input Impedance: 75Ω Input Signal level: -65dBm~-25dBm(average power) Active Ant Power: 13/18V DC @ 400mA MAX,Overload Protection DiSEqC: DiSEqC1.0/1.1/1.2/USALS Motor fully support LNB switch control: 22K Demodulator: Front end: QPSK, 8PSK Symbol rate: 2Mbps~45Mbps SCPC and MCPC Capable: Yes Spectral inversion: Auto conversion Sortware Features: OSD Language: OSD Multi-language for options (English/ German/ French/ Portuguese/ Spanish/ Italian/ Russian/ Turkish/ Polish/ Arabic / Farsi/ Espanol/ Deutsch) Channel Search: Channel search in automatic, manual and network search Easy Menu: Plug and Play installation, with an easy to use Menu System PAL/NTSC: Automatic PAL/NTSC conversion, and 4:3 or 16:9 display form SoftUpgrade: Software upgrade through USB

  View the actual channel on the screen of the meter.   Quickly and accurately align the satellite dish and instantly check the stability of the channel right on the screen of the meter. Transponders, Frequency, Symbol Rate, Polarity, and other settings can be modified by the user. There is never a need to send your meter in for a upgrade. * The meter never needs to be returned for re-calibration due to the unique calibration system built in to the meter. Each time the meter boots up it automatically calibrates for optimum performance so you can align each install with confidence.  SPECIAL FEATURES INCLUDE View All The Actual FTA Satellite Channels On The Meters Screen. Auto Re-Calibration Due To The Unique Calibration System Built in to the Meter. Automatically Calculates Dish Angles And Settings Based On Your Longitude And Latitude. Each time the meter boots up it automatically calibrates for optimum performance so you can align each install with confidence. All Transponders, Frequency, Symbol Rate, Polarity, and other settings can be modified by the user. View All FTA Satellite Channels On Screen With Sound OTHER FEATURES INCLUDE 3.5 inch LCD Colour Screen Live FTA Digital Picture and Sound AV in and AV out function Watch Free channels Sound warning prompt locking satellite Bit Error Rate Readout Carrier to Noise Readout dBuV Readout Lithium-ion 1950mA Battery DiSEqC & 22kHz Switch Control Fully DVB Compliant Freq range: 950mHz-2150mHz Signal level: 65dbm~25dbm Symbol rate: 2mbps~45mbps Video format: PAL/NTSC/SECAM Software Upgradeable via USB Size: 158x95x45,

FAST AFFORDABLE COURIER SHIPPING TO SOUTH AFRICA Description: Trigger mode: High level 5V relay module Can be used for microcontroller development board module or home appliance control 5V - 12V TTL control signal Can control DC or AC signal, also 220V AC load Normally open / closed contact Power indicator Controlled lights bright when pull and not shine when disconnect Increase the transistor drive relay coils, control pins high impedance Control pins have pull down circuit to prevent malfunction of relay vacant Package included: 5 x 5V 1 channel relay module 5Pcs 5V Relay 5-12V TTL Signal 1 Channel Module High Level Expansion Board For Arduino 5Pcs 5V Relay 5-12V TTL Signal 1 Channel Module High Level Expansion Board For Arduino 5Pcs 5V Relay 5-12V TTL Signal 1 Channel Module High Level Expansion Board For Arduino

FAST AFFORDABLE COURIER SHIPPING TO SOUTH AFRICA Description: Trigger mode: High level 5V relay module Can be used for microcontroller development board module or home appliance control 5V - 12V TTL control signal Can control DC or AC signal, also 220V AC load Normally open / closed contact Power indicator Controlled lights bright when pull and not shine when disconnect Increase the transistor drive relay coils, control pins high impedance Control pins have pull down circuit to prevent malfunction of relay vacant Package included: 3 x 5V 1 channel relay module 3Pcs 5V Relay 5-12V TTL Signal 1 Channel Module High Level Expansion Board For Arduino 3Pcs 5V Relay 5-12V TTL Signal 1 Channel Module High Level Expansion Board For Arduino 3Pcs 5V Relay 5-12V TTL Signal 1 Channel Module High Level Expansion Board For Arduino

Description: Trigger mode: High level 5V relay module Can be used for microcontroller development board module or home appliance control 5V - 12V TTL control signal Can control DC or AC signal, also 220V AC load Normally open / closed contact Power indicator Controlled lights bright when pull and not shine when disconnect Increase the transistor drive relay coils, control pins high impedance Control pins have pull down circuit to prevent malfunction of relay vacant Package included: 3 x 5V 1 channel relay module

Description: Trigger mode: High level 5V relay module Can be used for microcontroller development board module or home appliance control 5V - 12V TTL control signal Can control DC or AC signal, also 220V AC load Normally open / closed contact Power indicator Controlled lights bright when pull and not shine when disconnect Increase the transistor drive relay coils, control pins high impedance Control pins have pull down circuit to prevent malfunction of relay vacant Package included: 5 x 5V 1 channel relay module

SELECTED OPTION: MODE: HIGHLEVEL CLICK HERE for more options in this item. Specification:   Input Power Supply: 24V DC  Load Voltage: AC240V 2A Maximum operating current: 13.8mA Trigger mode: high level / low level Input control signal voltage: (0-2.5V low state relay OFF) (3.3-5V state high relay ON) Blue KF301 terminal connection control line is more convenient. Module interface: DC +: positive power supply (by relay voltage power supply) DC-: connect power negative CH: Relay Module signal triggering end (Low level trigger effective) Note: Power must be DC voltage and need to be consistent with the voltage relay   Package Included:   1x High Level / Low Level  Relay

Specification:   Input Power Supply: 12V DC  Load Voltage: AC240V 2A Maximum operating current: 79.6mA Trigger mode: high level / low level Input control signal voltage: (0-2.5V low state relay OFF) (3.3-5V state high relay ON) Blue KF301 terminal connection control line is more convenient. Module interface: DC +: positive power supply (by relay voltage power supply) DC-: connect power negative CH: Relay Module signal triggering end (Low level trigger effective) Note: Power must be DC voltage and need to be consistent with the voltage relay   Package Included:   1x High Level / Low Level  Relay

FAST AFFORDABLE COURIER SHIPPING TO SOUTH AFRICA Specification: Input Power Supply: 12V DC Load Voltage: AC240V 2A Maximum operating current: 13.8mA Trigger mode: low level Input control signal voltage: (0-2.5V low state relay OFF) (3.3-5V state high relay ON) Blue KF301 terminal connection control line is more convenient. Module interface: DC +: positive power supply (by relay voltage power supply) DC-: connect power negative CH: Relay Module signal triggering end (Low level trigger effective) Note: Power must be DC voltage and need to be consistent with the voltage relay Package Included: 5 x Low Level Relay Module 5pcs 1 Channel DC 12V Relay Module Solid State Low Level Trigger For Arduino 240V2A 5pcs 1 Channel DC 12V Relay Module Solid State Low Level Trigger For Arduino 240V2A 5pcs 1 Channel DC 12V Relay Module Solid State Low Level Trigger For Arduino 240V2A

DIY NE555 Square Wave Signal Generator Pulse Generator Electronic Production Kits Parameter: Main chip: NE555Input voltage: DC 5V-15VInput current ? 100MAOutput current: 15MA-35MAOutput amplitude: 4.2V-11.4V V-PPMaximum output current:? 15MA (5V supply, V-PP greater than 50%),? 35MA (12V supply, V-PP greater than 50%) Application scope: 1. It is used as a square wave signal generator to generate square wave signals for experimental development and use.2. Used to generate a square wave signal that drives a stepper motor driver.3. Generate adjustable pulses for use by the MCU.4. Generate adjustable pulses to control the associated circuitry. Features: 1. Output with LED indication; (the LED is on when in the low level, the LED is on when in the high level, and the LED is flashing when the frequency is low) 2. The output frequency range is optional (use the short-circuit cap) to make the output frequency more continuously adjustable;low frequency range: 1Hz - 50Hzintermediate frequency range: 50Hz - 1kHzhigh frequency range: 1KHz - 10kHzhigh frequency range: 10kHz - 200kHz 3. The output duty cycle can be fine-tuned, the duty cycle and frequency are not separately adjustable, and the duty cycle is adjusted to change the frequency. 4. The output frequency is adjustable;cycle T=0.7(RA 2RB)CRA, RB is 0-10K adjustable;C=0.001UF at low frequency;in the middle frequency range, C=0.1UF;in the high-frequency file C=1UF;high frequency file C=100UF Package included: 1 X DIY NE555 square wave signal generator pulse generator kits

Effect: 1. Optocoupler isolation signal 2. Anti-interference 3. Conversion signal voltage (such as 5v conversion 24v, etc.) 4. High and low level conversion 5. Working voltage: 2.4V-20V Package includes: 1 x Optocoupler Isolation Module