Showing posts with label security. Show all posts
Showing posts with label security. Show all posts

7/06/2011

Panasonic BB-HCM511A Network Camera with Two-Way Audio Review

Panasonic BB-HCM511A Network Camera with Two-Way Audio
Average Reviews:

(More customer reviews)
For a while the Panasonic BL-C111a and BL-C131a were my favorite of the Panasonic lineup for monitoring the pets and vacation house.Now I discovered the BB-HCM511A and this amazing little cam is THE BEST!It has a 1/4" CCD detector instead of a 1/6" CMOS in many of the other models.I can get a night time view of the ranch because the CMOS goes down to 0.2 lux instead of 3 lux.That's about the limit of human night vision, or a moonlit night.I couldn't do that before with the BL-C111a cam that this replaced.Also the CMOS sensor has much better dynamic range, which simply means more colors.So whereas with the BL-C111a the shades of green on the plants look flat, the BB-HCM5111a gives the scene much more definition with all different shades: slightly bluish green, slightly reddish green etc. and this has the visual effect as if it had greater resolution.I love the PoE feature because I can just run a network cable without running a separate power cable.To take advantage of this you need a cheap PoE injector or a fancier switch that supports PoE.I use the SMC GS8P-Smart switch for PoE, which is a newer model router with good reviews.I also use the CoconutView Vista sidebar gadget so I can always see all of my Panasonic cams on my desktop.To download this gadget go to the Microsoft Windows Live Gallery on the web and search for CoconutView or Panasonic.There's also an outdoor model, the BB-HCM531a but it's almost twice as expensive and from the installation manual it appears that the BB-HCM531a just has a cover on the back that you screw on and tape over the cables to protect the connectors from moisture.So I think this one is a better value for placing under eaves and protected outdoor sites, unless your plan to install it where it will be directly exposed to pouring rain.Ok just buy it, you will be happy with this cam.

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Product Description:
Network Camera with 2-Way Audio. Use of the built-in microphone and a separately purchased amp-equipped speaker enables two-way voice communication2 (transceiver system) between the network camera and a PC used to monitor the camera image. In addition to conventional monitoring of images and sound, voice messages can be transmitted from the PC to the network camera. Voice transmission and reception can be switched easily from the PC used to monitor the image.

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6/10/2011

Dakota Alert MURS Alert Transmitter Review

Dakota Alert MURS Alert Transmitter
Average Reviews:

(More customer reviews)
Dakota has a good concept here, but has not provided the quality needed. Having used these for three years in Northern NH, I have had to send all four units back to the factory for repair or replacement, some more than once, in the warranty period. And they are very sensitive to weather.Foggy and rainy weather cuts the effective distance down considerably and has caused water penetration around the antenna. Cold weather will sometimes kill a unit.To Dakota's credit, they repair or replace with no questions asked if the unit is in the warranty period.Personally, I would prefer a higher quality unit the works without any problems.

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Product Description:
- Dakota Alert MURS Alert transmitter- Offers the ability to monitor activity at remote locations- Utilizes passive infrared sensor technology that will send an alert signal to the MURS transceivers in order to notify you that someone has entered a monitored area- The M538-HT and M538-BS transceivers can also be used for two way voice communications- Capable of sending 4 different alert messages to the transceiver- Alert signals will be in spoken English and are easily selected at the transmitter so that separate zones can be monitored at the same time- Will give you real time monitoring of remote locations up to several miles away- Many different applications; it can be used by security guards, small businesses and also by hunters monitoring game trails; any scenario that requires immediate notification when someone or something enters a monitored location- Authorized by the FCC, MURS (Multi-Use Radio Service) is a license free service that allows the user to transmit voice and data- MURS also allows a maximum of 2 watts of output power; which means greater range than other license free radio servicesDKMAT

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