Neither. A sea sponge uses diffusion for getting its nutrients.
There are many different locations in which someone can purchase two-way radios. The best retail store to use is Walmart. The best online store to use is Amazon.
Hum well they used there HOMEPHONES WITH cords and they had CBs / twoway radios and snail mail and the best talk in person hate to see a EMP go in the US would be world disaster
This is the methode I had used to change my remote on my Steelmate twoway pager alarm( 838).It should have a learning code button or pinhole(in this case you have to insert a small pin into the hole) on the main controller unitThis is the procedure1 )Press learning code button/hole for 10 seconds,this will cancel the current remote.2) Press the learning button for another 2 seconds,then the lead light will turn on .3) Press the locking button of the remotes within 10 seconds .This will programme the new remote.Please post your results
" VOX " is a catchy term that means "voice control". Any voice communication system can be equipped with VOX so that it's shut off when you're not speaking, and it automatically turns itself on when you start talking. On a 2-way radio system, that relieves the user of the onerous burden of pushing the microphone button with his thumb when he wants to transmit. It does have real value, however, if he's wearing a headset/boom and not using his hands at all for the radio. It's also used on aircraft radio, so that the pilot doesn't have to dedicate the use of a hand just to talk on the radio.
You can purchase Motorola two way radios from your local Best Buy store. You can also purchase them online from places like Amazon and Ebay. Best buy also sell them on their online store. Make sure to shop around so that you get the best price possible.
The OSI Model have 7 Layers L7 Application = Just remember that protocols that require the end user to enter a request are L7 protocols. L6 Presentation = Just remember that there are four primary tasks that L6 is concerned with: Compatibility with the OS, Proper encapsulation of data for network transmission, Data formatting(ascii or binary), & Data encrypton, Compression, and Translation. L5 Session = L5 is the "Manager" of the twoway communication b/w two remote host. L4 Transport = Just remember that Segment take place at this layer. L3 Network = Just remember that data are place into Packet at this layer. L2 Data Link = Just remember that Packet are put into Frame at this layer. L1 Physical = DATA, SEGEMENT, PACKET, and FRAME are put into Ones and Zeros!