Security Systems and Surveillance

Black finish ¼? solid brass door plate with color camera, black metal screen, waterproof mylar speaker 8ohm, 0.2 watt gasket included. DP-RBox-II is optional. Compatible with Channel Vision CAT5 Whole-House Intercom System.

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The Hamilton W906 Wireless Listening Center is perfect for all multimedia, lab and classroom applications.

Introducing Levana s Wireless Analog Audio Monitor. We know your time is valuable to you when your baby is sleeping. You will be able to confidently do the things you want while still ensuring your baby is safe... because you love.

Antique Copper finish ¼” solid brass intercom unit with black metal screen, waterproof mylar speaker & doorbell button. Compatible with Channel Vision Telephone entry system.

Reliable range: Integrated EnOcean radio receiver; error checking ensures Receiver only responds to appropriate switches on all packet transfers; communicates with all LevNet RF switches; one Transmitter can control unlimited Receivers within range Easy-to-use: (2), (3), or (4) Low voltage output channels; easily add switches for lighting or machine control; run zero switch-leg wires Save energy: Create manual-ON/auto-OFF or master OFF controls to eliminate energy waste Simple wireless control systems: Manual or automatic ON and OFF controls, architectural lighting, day lighting, load shedding, and more, Manufacturer: Leviton

Oil-Rubbed Bronze finish ¼” solid brass door plate with color camera, black metal screen, waterproof mylar speaker 8ohm, 0.2 watt gasket included. Includes surface mount box. DP-Rbox-II is optional

Broncolor RFS 2 Transmitter slides into the hot shoe of the camera. The flash is synchronized either via the central contact of the hot shoe or via a short cable to the camera. The miniature transmitter has 99 studio addresses for selective and wireless flash triggering, as well as a "test" button for direct triggering.The operating status of the transmitter, the studio address and the frequency channel are indicated on the large LCD display. Two additional buttons allow remote regulation of the power of all the controlled flash units directly from the transmitter.Outdoors or in large halls, the operating distance of the broncolor RFS 2 is up to 200 m, in closed rooms up to 50 m. The delay time is less than 400 microseconds.

This Extra Interior Intercom Station expands your Wireless 4-Channel Intercom System (sold separately). Now you can enjoy a home intercom system that installs in seconds! This stylish and solidly-made intercom unit with four channels communicates over your home's existing wiring -- no new wiring is required! Just plug the 4-Channel Intercom into any AC outlets within a 1, 500 Ft. range, and you'll be able to enjoy crystal clear intercom communication without static. Available at The Home Depot.

hi pc-HS-8pic 2.4GHz 4 Channel Wireless 4 Cameras+ 2.4" LCD Monitor Voice control Baby Monitor Description Contact us Payment method Shipping Policy Return Warranty Reply Feedback Introductions:What you are looking for is a wireless baby monitor. As we all know, no matter how perfect the mother is, she cannot company with her babies every day and every minute. Now with the emergence of this product, many mothers worries have been removed. This baby monitor adopts the latest technology, and prov

30-meter range, line-of-sight Broad 10Hz 20kHz frequency response; Superior 118 dB dynamic range, 8 hours of battery life (AA alkaline batteries) Comes complete with transmitter, receiver (Rugged polycarbonate shell) and all necessary accessories including cable, power supply and batteries 2.4GHz band is optimal for guitar wireless, approved for use in Europe, South America, Asia and Australia. Encrypted data stream for added signal protection; Simultaneous broadcasts on six channels

4-Channel Transmitter for use with Linear's DX Format. This is a three-button, four code transmitter.Linear's DX format has over a million possible codes. DX transmitters are precoded at the factory to unique codes, so no field coding is required.These remotes send variations of their preset codes depending on which buttons are pressed. Transmitters can send a signal for up to 10 seconds per activation.Comes with two 3-volt lithium batteries. Also comes with a belt clip and a pocket clip.

Product Features: Technology: Wireless; Security/Surveillance Type: Connection Centers and Modules

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Total control. That is what you receive when you use Channel Vision's IR hubs. They provide control over A/V sources, lighting, anything else that can be controlled by IR. The IR-1201 is an IR hub that combines eight IR locations in to one output reducing cable runs and installation times.

The P-1400 is a zero-loss video extender that will distribute component video, S-video, and composite video over a 25 meter cable without loss of video signal. This product is ideal for sending high quality video to a home theater projector.

The WA-351 1-to-unlimited amplified wireless audio receiver creates distributed audio systems without the need for running wires from one room to another.

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Product Features: Technology: Wireless; Security/Surveillance Type: Housing and Mounting Accessories

Black finish ¼” solid brass intercom unit with color camera, black metal screen, waterproof mylar speaker & doorbell button. Compatible with Channel Vision Telephone entry system.

MINI-PINHOLE CAMERA WITH 380 LINES OF RESOLUTION 3.36MM LENS WITH 0.5 LUX MINIMUM ILLUMINATION FOR EXTREME LOW-LIGHT VIEWING FITS ANY STANDARD SINGLE-GANG BOX FOR EASY INSTALLATION SMOKE ACRYLIC AND CHROME DECORATIVE COVER INCLUDES

USB Kit Wireless Headphone 2.4GHz 4CH Channel Wireless Audio Video AV Transmitter Receiver 100M Sender Kit Features: New and high quality Easy to install and operate Can be connected to any AV devices such as CCTV camera, VCR Recorder, DVD player, Video camera, etc. Uses 2.4Ghz signal and FM modulation for superior performance Sends high-quality TV/satellite system/VCR signals to a second TV-anywhere in your home Link your camcorder to your TV for home or busimess secruity Gold-plated audio/video With step-by-step instructions Specification: Wireless transmission up to 100 meters Transmitting frequency: 2.411 GHz, 2.431 GHz, 2.451 GHz, 2.471 GHz Number of channels: 4 channels Signals transmitted/Receiver: video and audio (L & R channel) Hi-efficiency and special antenna Input and output: RCA Jack for Video and Audio (L & R) Power source: DC9.5V 700mA Receiver frequency: 2414 GHZ 2432 GHZ 2450 GHZ 2468 GHZ Transmitter power: 2.4 G / 0.1 W Dimensions: 4.69 x 1.18 x 3.58"(L x W x H) Color: Black Weight: 619g/1.3

Specifications: 1.Working voltage: DC12V 2.Frequency: 315MHZ 3.Contact capacity: ? 10A/250VAC; 10A/30VDC 4.Receiver sensitivity:>-105dB 5.Remote control distance:200 meters(Theoretical distance) 6.Control channel:four normally open (normally closed) contacts 7.Encoding type: fixed code; pad code 8.Work Mode: self-locking / interlocking / jog 9.Dimensions: 7 x 5 x 1.5cm/2.76 x 1.97 x 0.59"(L x W x H) 10.Weight: 115g/4.06oz Package Includes: 1 x 12V 10A 4 Channels Wireless remote control switch(200M) 1 x Remote controller

CAT5 Camera Sequencer creates an interface for CAT5 Cameras; switches both audio & video; automatically monitor output sequences through camera views. Offers IR & Serial control support.

Satin Nickel finish - ¼” solid brass door plate with black metal screen, waterproof mylar speaker 8ohm, 0.2 watt gasket included. Includes surface mount box. DP-Rbox-II is optional

Chrome finish ¼” solid brass intercom unit with color camera, black metal screen, waterproof mylar speaker & doorbell button. Compatible with Channel Vision Telephone entry system.

Chrome finish ¼” solid brass intercom unit with black metal screen, waterproof mylar speaker & doorbell button. Compatible with Panasonic KSU front door electronics.

Shop for Doors & Windows at The Home Depot. Streamline communication with Westinghouse's sophisticated 4 Channel FM Wireless Intercoms. Ideal for homes, apartments, offices, stores, and small businesses. Talk to or monitor ANY number of rooms or offices with 4 available channels. No installation or batteries required. Plug into any AC outlet and talk. Press CALL to page another room. Press TALK to converse. A complete in-home intercom system.

This book explains the basic components, technologies used, and operation of GSM systems. This book starts with the system components and basic services that the GSM system can provide. You will learn that the key types of GSM devices include single mode and dual mode mobile telephones, wireless PCMCIA cards, embedded radio modules, and external radio modems. You will then discover the different types of available services such as multiple types of voice services, data services, group call, and messaging services. Explained are the physical and logical radio channel structures of the GSM system along with the basic frame and slot structures. Described are the fundamental capabilities and operation of the GSM radio channel including channel coding, modulation types, speech coding, RF power control, and mobile assisted handover. You will learn how each GSM radio channels has 8 time slots per frame and that some of these are used for signaling (control channels) and others are used for user traffic (voice and data). Described are key functional sections of a GSM network components and how they communicate with each other. You will learn how and why GSM is evolving into 3rd generation broadband systems including GPRS, EDGE, and WCDMA.

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