How to determine which antenna to use with the B444 or B440 cellular cards.
What is the difference between the B440 antenna and the one used by the B444?
Can the antenna from the B440 be used on the B444?
Bosch Security Knowledge Base How long will the C472 stay keyed up before they stop transmitting and how long does the transmitter have to wait before it can send signals again? C472, Multilink, Fastlink