Descriptions: • Dual Band 2.4GHz&5GHz WiFi: Enjoy faster and more reliable internet connectivity with the adapter's dual-band WiFi feature. • USB 3.0 Interface: Experience lightning-fast data transfer speeds with the adapter's USB 3.0 interface. • Bluetooth 4.2: Connect your devices seamlessly with the adapter's Bluetooth 4.2 feature. • High Transmission Rate: Enjoy high-speed internet connectivity with the adapter's 1300Mbps transmission rate. Features: Transmitting power 20dbm (maximum) 2.4GHz / 5GHz dual channel signal; 1300mbps wireless rate Support Bluetooth headset /speaker /keyboard /mouse and other connections In accordance with IEEE 802.11ac/n/g/b/a standard Built-in smart antenna system, strong signal Portable and easy to use Low power design, energy saving, and environmental protection Stable operation, smooth connection, Wi-Fi sharing Compatible with market mainstream operating system Specifications: Chip: RTL8821AE Bluetooth version: Bluetooth 4.2 Antenna standards: 802.11/AC Transmission speed: 1300Mbps Frequency range: 2.4-5.8GHz Operating system: Windows XP/7/8/8.1/10/11 Product size: 70 x 37 x 10mm Package Included: 1*WiFi Adapter
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Note: Win8.1/10/11 is driver-free, plug and play, Win 7 needs to install drivers. This product is not supported on Mac OS/IOS systems. Features: 1. The real 5.4 Bluetooth chip is adopted, which conforms to the technical specification of Bluetooth 5.4, LMP：13. X, BLE/EDR dual-mode low-power transmission. 2. Longer transmission distance: 150m long transmission distance (no barrier), upgraded antenna, and strong signal. 3. More stable transmission rate: 3Mbps transmission rate, providing high-speed file and audio data transmission. 4. Drive-free use: it supports plug-and-play without a drive, and without CD installation, which is convenient and simple. (Win8.1/10/11 is free of drive, and Win7 needs to install a driver) 5. Ultra-low delay speed link, intelligent sleep wake-up to save energy, 24-bit CRC check to resist interference, adaptive frequency hopping to reduce crosstalk. 6. Backwards compatibility Bluetooth 2.0, Bluetooth 2.1, Bluetooth 3.0, Bluetooth 4.0, Bluetooth 5.0, Bluetooth 5.1, Bluetooth 5.3, and other specifications. 7.USB2.0 interface (universal USB3.0). 8. It can connect 7 kinds of devices at the same time with strong compatibility, and realize the wireless Bluetooth connection between the computer and other Bluetooth protocol devices (Bluetooth headset/speaker/mouse/keyboard/gamepad/mobile phone/printer, etc.) for audio, data and image transmission. 9. Technology upgrade, one link, and subsequent use of automatic reconnection, without secondary pairing. Package Included: 1*USB Bluetooth 5.4 Adapter
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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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Specification: Condiiton: 100% Brand New Operating Voltage: 0.7V - 9V Frequency Adjustment Range: 88-108MHZ Transmission Distance: 9V work when using the 70 cm antenna conductors, open the local firing range 50-100 meters, the actual situation depends on the environment Main Color: Green(As The Picture Shows) Relations Working Voltage (volts) and supply current (mA) and transmit power (dBm) is as follows: 9V, 24mA, 10.2dBm (that is, 11 mW) 8V, 21 mA, 9.5dBm 7V, 19mA, 8.5dBm 6V, 17mA, 7.1dBm 5V, 14mA, 6.1dBm (about 5 mW) 4V, 12mA, 4.5dBm 3V, 9mA, 2.2dBm 2V, 6mA, -1dBm (about 1 milliwatt) 1.5V, 4.2mA, -4dBm (about 0.5 mW, the average family environment launch sufficient, small green radiation ) 1V, 2.4mA, -9dBm 0.7V, 0.9mA, -20dBm (that is 0.01 mW) Package Includes: 1 x 0.7-9V 88MHZ-108MHZ FM Transmitter Module Board Attention: Size may be slight inaccuracy due to different batches of the products, or hand measurement;Color may be little different due to monitors. Please take real product as standard, thanks for your understanding
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No Battery Required: Our wireless doorbell transmitter uses unique PUSH-RF technology. When you press the button, the kinetic energy is converted into an electrical signal that rings your doorbell wirelessly. No more worrying batteries. More practical, more energy-saving and more practical than the old one. IP44 Waterproof & Temperature Display: IP44 Rating Waterproof design of the transmitter, made of ABS, non-toxic, safe and recyclable, can work at temperatures temperatures between -20 and 65, and withstand various harsh weather conditions. LED temperature display screen, Celsius/Fahrenheit temperature appears when receiver is not ringing, can be used as indoor thermometer. 38 Beautiful Chimes and Melodies: Offers 38 classic melodic chimes with adjustable volume control and a diverse selection to meet your needs. 4 adjustable volume levels from 0dB to 100dB, which is loud enough for old people to hear; enjoy pleasant melodies whenever someone rings your doorbell. The LED indicator gives you a visual form of notification (a great feature for the hearing impaired). Long Wireless Range: With 150M / 500FT wireless range, 2 plug-in receivers included, won't interfere with wireless other equipment in your home or those of your neighbours; ensures that you will never miss a visitor, even if you are a few rooms away or on another floor. Ideal for home, office, hotel, villa, hospital, office, apartment, school and other suitable fields. Easy to Use: Convenient and easy to use design for better user experience. Just tear off the film on the transmitter and stick it next to your door. then plug the receivers into power outlets. All URESMAT wireless doorbells can be re-paired and controlled together. Do not hesitate to contact us if you need help.
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Item Type: Temperature Sensor TransmitterModel: SBWRMaterial: ABSPurpose: Industrial temperature sensorBasic Parameters:Measuring Range: 0-1300Measurement Accuracy: 0.2%FSWorking Voltage: DC 24V 4-20mA
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Warm tips: this garage door remote control is more a replacement than an original-accessory. We recommend that you refer to the list below for device compatibility before purchasing. Garage remote control replacement: Our garage handheld transmitter works with 433.92 MHz rolling code and is compatible with for Crawford standard steel RCU 433-2, RCU 433-4, EA433 2KM, EA433 2KS, EA433 4KS, N002800, T433-4. Compatible garage opener list: Our garage door remote control works for Crawford Entrematic Magic 600 / Magic 1000 / Ultra (all versions after 2005) / Ultra Excellent (all series after 2005). and portable: thanks to the small design, our remote control can be attached to your keyring with the included key ring and is therefore always at hand. Note:Due to different production batches, there are differences in color, which does not affect use. Colour:As Shown Material:Plastic Package Contents: 1 * Garage Remote Control Only the above package content, other products are not included. Note: Light reflection 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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Notes: Power supply:Default DC24V (DC12-36V can be used, 0.5-4.5V /0-3.3V output ,power supply isDC5V ). Range:0-0.5m-500m range can be customized 1.QDY30Asubmersible Water Level , its304 316 stainless steel and hermetically sealed housing make it suitable for most industrial liquids and oils. 2. The welded housing is tested in-house via a helium leak tester to ensure proper protection. Ventilation tube in the cable automatically compensates for changes in atmospheric pressure above the tank. The conductors of the cable are also isolated from the outside environment to keep the level operational for long-term use. Products Display Products Details Default probe diameter: 28mm (customizable probe diameter: 19mm) Default probe material: SS304 (customizable probe material: 316L) Products Parameters Our Advantages
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