Search results for "transmitter receiver"

🔥 Simplify your multi-camera CCTV setup with fewer cable runs.Need to connect multiple CCTV video feeds and RS485 control signals over a long distance? This 4-channel video multiplexer is designed to combine CCTV video and RS485 control transmission over a single coaxial cable, helping make compatible surveillance installations cleaner and easier to manage.🎯 The Problem → The SolutionProblem: Multi-camera CCTV installations can become complicated when separate cables are needed for video and control signals.Solution: Combine four video channels with RS485 control transmission over one coaxial cable to simplify compatible CCTV installations and reduce cable runs.✅ Key Benefits 4-channel CCTV transmission – Supports transmission of four video channels. Video + RS485 over one coaxial cable – Helps simplify wiring for compatible CCTV systems. Up to 600m transmission – Suitable for long-distance transmission with compatible common video cable. Cleaner installations – Fewer cable runs can help reduce installation complexity. Ideal for CCTV upgrades – A practical option for surveillance extensions and system upgrades. Professional installation solution – Designed for CCTV installers, security projects and DVR systems. 🛍️ Ideal ForCCTV installers, security system upgrades, multi-camera surveillance projects, DVR installations and long-distance camera connections where efficient cabling matters.🔌 Connections Line-in connection to receiver DC 12V power input Power indicator Video input from camera Line-in connection to transmitter Video output to monitor or DVR 📋 Specifications Type: 4-channel video multiplexer transmitter and receiver Signal: CCTV video + RS485 control Transmission distance: Up to 600m with suitable common video cable Power: DC 12V Package weight: 0.96kg / 2.13lb Package size: 33 × 18.5 × 5.5cm ⚠️ Installation Notes Use a stable DC 12V power supply. Connect cables according to the wiring layout before applying power. Ensure all connections are secure. Protect the equipment from water and excessive moisture. Handle and install the equipment carefully. Upgrade your CCTV installation with long-distance video and control transmission while keeping cabling simpler.

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🔥 Give your old wired speakers a wireless upgrade.The C39S Bluetooth 5.0 receiver/transmitter helps connect compatible audio equipment wirelessly without replacing the whole setup.😩 THE PROBLEMOlder speakers and amplifiers can still sound great but may lack modern Bluetooth connectivity.💡 THE SOLUTIONAdd a compact Bluetooth adapter with RCA and 3.5mm audio connectivity and a working range of up to 10m in suitable conditions.🚀 BENEFITS ✔ Bluetooth 5.0 ✔ Up to 10m stated working range ✔ RCA and 3.5mm audio connectivity ✔ Compact ABS construction ✔ Useful for home and portable audio setups ⚡ HOW IT SOLVES THE PROBLEMConnect your compatible wired audio equipment and enjoy convenient wireless audio from compatible Bluetooth devices.⭐ PERFECT FOR Speakers Amplifiers Home audio systems TV and entertainment setups DIY audio upgrades ⚠️ CHECK YOUR INPUTConfirm your equipment has a compatible RCA or 3.5mm connection and check the intended transmitter/receiver configuration before ordering.💬 Send us your equipment model if you need help checking compatibility.

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An overview of the■ bti-029 is a receive/transmit 2-in-1 stereo sound fiber bluetooth adapter, which can switch between receiving state (RX) or transmitting state (TX) by dial-mode switch. SPDIF: optical interface) choose audio interface or optical interface.Bti-029 supports one with two functions (when in TX state, two stereo bluetooth speakers or stereo bluetooth headsets can be connected at the same time, two speakers/headsets can produce sound at the same time; When in RX state, two phones can be connected at the same time. Currently, only one phone can make a sound, and which phone makes the sound first is the sound of which phone)■ CSR BC8670 bluetooth chip is used as the core data processing, and the bluetooth version is V5.0■ transmitted power: ClassII, within 10 meters (actual range depends on the connected device)■ frequency range: bluetooth standard, 2.402 ~ 2.480GHz■ support bluetooth speaker or headset pair security key: 000011 1234 8888.■ use time of receive state (AUX) about 15 hours■ use time in launch state (AUX) about 15 hours■ receive state service time (SPDIF) is about 12 hours■ service time in launch state (SPDIF) is about 12 hours■ charging time is about 2 hours. Charging input requirements: 5V DC ≥300MA■ 350mAh rechargeable lithium-ion polymer battery■ working temperature: -10 -- 55℃■ net weight: approx. 38.6g■ size: 60*60*18.4mmSpecification: Package Weight One Package Weight 0.13kgs / 0.28lb One Package Size 14cm * 11cm * 6cm / 5.51inch * 4.33inch * 2.36inch Qty per Carton 45 Carton Weight 6.80kgs / 14.99lb Carton Size 44cm * 35cm * 32cm / 17.32inch * 13.78inch * 12.6inch Loading Container 20GP: 541 cartons * 45 pcs = 24345 pcs40HQ: 1256 cartons * 45 pcs = 56520 pcs

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1. Technologies: BT5.0, a2dp \ avctp \ avdtp \ avrcp \ hfp \ spp \ smp \ att \ gap \ gatt \ rfcomm \ sdp \ l2cap (receiver mode only) 2. Operation range: up to 15m / 50ft (without any blocking objects) 3. Pairing name(Receiver mode ): Bluetooth Music 4. Transmitter mode: blue LED light is on 5. Receiver mode: white LED light is on 6. Signal to noise ratio: about 110dB 7. Frequency response range: 10Hz-20KHz 8. Output impedance: 75 ohms 9. Size: 10.5x6.5x2.5cmSpecification: Package Weight One Package Weight 0.14kgs / 0.32lb One Package Size 13cm * 12cm * 4cm / 5.12inch * 4.72inch * 1.57inch Qty per Carton 100 Carton Weight 15.50kgs / 34.17lb Carton Size 61cm * 42cm * 28cm / 24.02inch * 16.54inch * 11.02inch Loading Container 20GP: 371 cartons * 100 pcs = 37100 pcs40HQ: 862 cartons * 100 pcs = 86200 pcs

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1. The system is built using highly sensitive low power consumption components, maintaining high receiver sensitivity, while consuming as little as one tenth the power of a standard FM system, dramatically extending battery life.2. Reliable, interference free 2.4GHz AFHDS 2A signal operation.3. Associated with a High Sensitivity Receiver, This Radio System Guarantees a Jamming Free Long Range Radio Transmission Each Transmitter Has a Unique Id, When Binding with a Receiver, The Receiver Saves That Unique ID and Can Accepts Only Data From The Unique Transmitter.4. 6CH operation. Use only 4 x AA batteries for transmitter. (Not included)5. Quick and extremely stable in performance.Specifications:1. Channels: 62. Model type: Quadcopter3. RF range: 2.408 - 2.475GHz4. Bandwidth: 500 KHz5. Bands: 1356. RF power: Less than 20 dBm7. Protocol: AFHDS 2A8. Modulation type: GFSK9. Stick resolution: 409610. Low voltage alarm: Yes (lower than 4.2V)11. PS2/USB Port: Yes (Micro-USB)12. Power input: 6V DC 1.4AA x 4 (Not included)13. Size: 174 x 89 x 190 mm14. Weight: 392gSpecification: Package Weight One Package Weight 0.60kgs / 1.33lb One Package Size 25cm * 18cm * 20cm / 9.84inch * 7.09inch * 7.87inch Qty per Carton 8 Carton Weight 5.80kgs / 12.79lb Carton Size 52cm * 42cm * 37cm / 20.47inch * 16.54inch * 14.57inch Loading Container 20GP: 330 cartons * 8 pcs = 2640 pcs40HQ: 766 cartons * 8 pcs = 6128 pcs

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1. Support Bluetooth reception, Bluetooth transmission, TF card playback2. Using Bluetooth 5.0 parsing chip, the transmission sound quality is better3. Support NFC short distance pairing, NFC wireless connection when pairing4. Smart bluetooth device, widely compatible, support all audio devices5. Lossless sound quality, NFC touch connection, Bluetooth receiving and transmitting, TF card transmitting6. Support USB playback, plug and play7. Support 3.5mm/2RCA input/output8. Smart bluetooth device, widely compatible, support all devices with audio9. Built-in signal antenna, the signal has no dead angle10. Three modes (receiving mode, transmitting mode, TF mode), one-key switching11. NFC touch to connect, no need to connect manually12. Built-in high-quality decoding chip, high-definition stereo sound quality13. Effective range: 10-15m14. Operating frequency: 2.4MHz15. Interface: 3.5mm/2RCA16. Transmission rate: 24Mbps17. Working power supply: DC5V18. Frequency response range: 10-20000Hz19. Dimensions: about 62 x 62 x 20mm20. Net weight: 38gSpecification: Package Weight One Package Weight 0.10kgs / 0.23lb One Package Size 10cm * 10cm * 4.5cm / 3.94inch * 3.94inch * 1.77inch Qty per Carton 288 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 288 pcs = 50976 pcs40HQ: 412 cartons * 288 pcs = 118656 pcs

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1. 48K/16bit high quality signal 2. Low latency: <5mS 3. Effective distance: the use distance is greater than 20 meters 4. Frequency response: 10Hx-22Kz-1dB 5. Distortion: <0.02% (@1KHz-10dBFS) 6. Frequency band used: 2.4CHz1SM 7. Frequency band anti-jamming method: frequency hopping 8. Number of channels: 12 channels are divided into 4 groups 9. Battery: Built-in rechargeable lithium battery 3.7V/600mAh 10. Equipped with universal Android port USB cable, easy to charge 11. Plug and play, easy to use, small size, light weight, easy to carry.Specification: Package Weight One Package Weight 0.21kgs / 0.46lb One Package Size 20cm * 14cm * 7cm / 7.87inch * 5.51inch * 2.76inch Qty per Carton 42 Carton Weight 9.40kgs / 20.72lb Carton Size 42cm * 44cm * 51cm / 16.54inch * 17.32inch * 20.08inch Loading Container 20GP: 282 cartons * 42 pcs = 11844 pcs40HQ: 656 cartons * 42 pcs = 27552 pcs

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1. Product Features: Wireless transmitters and receivers can be used for electroacoustic instruments such as guitars, bass, violins, and the like. 2. Ultra-high frequency 730mhz acoustic transmission, anti-interference, ultra-short delay. 3. Support 4 groups of devices to use at the same time, the maximum transmission range can reach 50 meters. 4. Built-in rechargeable lithium battery, long working hours, with USB cable, easy to charge. 5. Plug and play, easy to use, small size, light weight, easy to carry. specification: Audio response range: 20Hz-20kHz Frequency: high frequency 730mhz Transmission range: max.50m (accessible); 30m (through wall) Transmission delay: less than 4ms Power: Built-in 3.7V 600mah rechargeable lithium battery Charging time: 2 hours Continuous use time: 6 hours Charging port: micro USB Product size: 11 ?? 4.5 ?? 1.5 cm / 4.3 ?? 1.8 ?? 0.6in Packing size: 17.5 ?? 10.5 ?? 5cm / 6.9 ?? 4.1 ?? 2in Package Weight: 250g/8.8ozSpecification: Package Weight One Package Weight 0.19kgs / 0.42lb One Package Size 18cm * 12cm * 5cm / 7.09inch * 4.72inch * 1.97inch Qty per Carton 60 Carton Weight 16.50kgs / 36.38lb Carton Size 52cm * 38cm * 38cm / 20.47inch * 14.96inch * 14.96inch Loading Container 20GP: 355 cartons * 60 pcs = 21300 pcs40HQ: 824 cartons * 60 pcs = 49440 pcs

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1. Bluetooth compatible version: BT5.22. Battery capacity: 120Amh3. Working range: about 10m (without obstacles)4. Charging time: about 2.5 hours5. Use: 5 hours (music and calls)6. Standby: about 100 hours7. Compatible with Bluetooth 5.2 receiver, with lossless sound quality, hands-free calling, plug and play, AUX interface8. Connected to the 3.5mm port, speakers without Bluetooth compatibility can also play wirelessly9. Bluetooth Compatible Transmitter Mode-TX: Convert wired to Bluetooth compatible signals and transmit them to Bluetooth compatible devices for output10. Bluetooth Compatible Receiver Mode-RX: Receive Bluetooth Compatible Signals and transmit to Wired via Bluetooth Compatible Connection11. Connect the Bluetooth compatible connector to the car AUX interface through an adapter, and connect the Bluetooth compatible connector to the car stereo, not only to make calls, but also to listen to dynamic music, making your journey no longer lonely12. Lossless sound quality CD-level enjoyment: High resolution restores lossless sound quality, bringing CD-level music experience. Just one key, you can listen to music on your phone13. Receiver RX Mode with Microphone-Hands-Free Calling-(Transmitter TX Mode does not support Mic)14. Receiver mode is suitable for: car kit/wired speaker/home speaker/speaker amplifier/headphone15. Transmitter mode is suitable for: TV/Computer/Projector/Amplifier/TV Box/Bluetooth Compatible Earphone/Earphone/Bluetooth Compatible Speaker16. Product weight: 12 grams17. Product size: about 99x20x12 mm/3.9x0.79x0.47 inchesSpecification: Package Weight One Package Weight 0.05kgs / 0.10lb One Package Size 12cm * 7cm * 2cm / 4.72inch * 2.76inch * 0.79inch Qty per Carton 468 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 468 pcs = 82836 pcs40HQ: 412 cartons * 468 pcs = 192816 pcs

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1. Working voltage: DC 5V/500mA2. Bluetooth version: V5.0+EDR3. Frequency response: 10Hz-20KHz4. Battery capacity: 3.7V/500mAh lithium battery5. Transmission distance: about 15 meters without barriers6. Power supply mode: Micro USB interface7. Music format: MP3/APE/FLAC/WAV/WMA8. Frequency range: 2400-2483.5MHZ9. Peripheral support: U disk/TF card10. Bluetooth protocol: HFP/A2DP/AVRCP11. Interface type: AUX+RCA+coaxial+optical fiber12. Basic functions: Bluetooth receiving/transmitting, LED digital display screen, NFC connection, infrared remote control, call, navigation, listening to music13. Support equipment: mobile phones, tablets, computers, TVs, cable speakers, power amplifiers, projectors, mixers, etc.14. Packing list: host x1, Micro USB charging cable x1, 3.5mm audio cable x1, red and white RCA lotus cable x1, remote control (with button battery) x1, manual x115. Weight: about 75g16. Size: about 9.2x6.5x2 cmFeatures:1. The appearance is exquisite, exquisite and compact, easy to carry, the surface is made of fireproof PC material, high-gloss paint process, the base is equipped with a silicone pad, which is non-slip and wear-resistant2. Using Bluetooth 5.0 chip design, stronger compatibility and stability3. 3 in 1 design of Bluetooth receiver (RX), Bluetooth transmitter (TX) and FM transmitter4. High-definition LED digital display, working status and Bluetooth mode are clearly visible5. Built-in digital to analog chip, multiple interface options, support digital optical fiber, coaxial, AUX, RCA interface6. NFC function, mobile phone can be connected with one touch7. Cool breathing light, red/blue color, soft and not dazzling8. Support USB (U-disk), TF card playback and transmission9. Support FM transmission, and the frequency can be adjusted from 87.5~10810. With remote control, support infrared remote control of about 5-8 meters, easy to operate11. Built-in high-definition microphone, support wireless music listening, hands-free call, navigation12. Simple connection, multi-function button control, support play/pause/cut song/volume/mode switch/signal source switch and other functions, feel comfortable13. Built-in memory chip, can automatically restore the mode/signal/song before the power failure, intelligent voice reminder functionSpecification: Package Weight One Package Weight 0.18kgs / 0.40lb One Package Size 12cm * 12cm * 3.5cm / 4.72inch * 4.72inch * 1.38inch Qty per Carton 162 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 162 pcs = 28674 pcs40HQ: 412 cartons * 162 pcs = 66744 pcs

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1. It can transmit HDMI signals from computers, set-top boxes, game consoles, cameras, and other devices to large screen devices such as TV, projectors2. Plug and play, no need driver installation, no need for networking3. Long distance stable transmission, measured at a distance of 50 meters, the image does not get stuck4. Supports 1080P HD image quality5. 60cm length, compact and portable6. Interface: Transmitter (TX)-Type-C，Receiver (RX)-HDMI/USB7. Power supply: 5V 2A8. Resolution: 1080P9. Shell material: ABS10. Net weight: 27.3gSpecification: Package Weight One Package Weight 0.08kgs / 0.19lb One Package Size 15cm * 9cm * 3.5cm / 5.91inch * 3.54inch * 1.38inch Qty per Carton 100 Carton Weight 9.00kgs / 19.84lb Carton Size 32cm * 45cm * 35cm / 12.6inch * 17.72inch * 13.78inch Loading Container 20GP: 529 cartons * 100 pcs = 52900 pcs40HQ: 1228 cartons * 100 pcs = 122800 pcs

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1. Frequency range: UHF2. Frequency broadband: 20Hz-20kHz3. Ultra-high frequency 730mhz original sound transmission, transmission delay does not exceed 4 seconds4. USB convenient charging, the red light is always on when charging5. 3.7V 600mAh lithium battery, can last for four hours6. Multi-angle flexible adjustment, easy to operate, does not affect the rhythm7. Widely used in various musical instruments, electric guitar, electric bass, electric drum, electric violin, etc.8. The effective transmission distance is up to 30 meters, suitable for various stages9. Dimensions: 110x43x17mm10. Weight: 50 gramsSpecification: Package Weight One Package Weight 0.08kgs / 0.17lb One Package Size 14.3cm * 13.3cm * 4.5cm / 5.63inch * 5.24inch * 1.77inch Qty per Carton 380 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 380 pcs = 67260 pcs40HQ: 412 cartons * 380 pcs = 156560 pcs

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