Vascular Dementia: Introduction. Vascular dementia is the second most common type of dementia after Alzheimer's disease. Vascular dementia is a neurodegenerative disorder of the brain in which there is cognitive decline and deficiencies in mental performance that generally occur in steps.
Basics of RF drive test/testing. RF Drive test/testing is the procedure to evaluate performance of wireless modem/system while driving(or in motion). The wireless modem or system may include any wireless standards such as GSM,WCDMA,HSPA,UMTS,LTE,WIMAX,WLAN etc.
OOOOHHH OOHHHHHH I know this one. Look on the back of your TV and look on the back of your DVD player. Chances are, they have different connections. An RF modulator is the go-between for your TV and DVD player. It accepts the coaxial cable from your TV and the RCA plugs from your DVD player. It does so much more and can be used in different applications, but this scenario covers 99% of the modulators uses.