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2. Pager - Wikipedia

   en.wikipedia.org/wiki/Pager

   Pager. A pager, also known as a beeper or bleeper, [1] is a wireless telecommunications device that receives and displays alphanumeric or voice messages. One-way pagers can only receive messages, while response pagers and two-way pagers can also acknowledge, reply to, and originate messages using an internal transmitter. [2]

3. Public address system - Wikipedia

   en.wikipedia.org/wiki/Public_address_system

   Telephone paging systems. Some private branch exchange (PBX) telephone systems use a paging facility that acts as a liaison between the telephone and a PA amplifier. In other systems, paging equipment is not built into the telephone system. Instead the system includes a separate paging controller connected to a trunk port of the telephone system.

4. ERMES - Wikipedia

   en.wikipedia.org/wiki/ERMES

   ERMES (European Radio Messaging System or Enhanced Radio Messaging System) was a pan-European radio paging system. Technical specification [ edit ] In 1990, the European Telecommunications Standard Institute ( ETSI ) developed the European Telecommunications Standard ETS 300 133 for ERMES operating in the frequency band 169.4125-169.8125 MHz.

5. Gold Apollo - Wikipedia

   en.wikipedia.org/wiki/Gold_Apollo

   Founded by Mr. Hsu Ching-Kuang in October 1995. Gold Apollo is a company producing POCSAG / FLEX (protocol) pagers. At beginning of funding, Gold Apollo produced only numeric pagers and focused on the domestic market. In the late 1990s, Gold Apollo developed a whole new alphanumeric pager and started aiming worldwide markets.

6. FLEX (protocol) - Wikipedia

   en.wikipedia.org/wiki/FLEX_(protocol)

   In The Netherlands the emergency services use the Flex-protocol in the nationwide P2000 network for pagers. The traffic on this network can be monitored online. In South Australia the State's SAGRN network for the Emergency Services paging system (CFS, SES, MFS and SAAS) is run on the FLEX 1600 protocol, and can be monitored online. See also

7. Hospital bed - Wikipedia

   en.wikipedia.org/wiki/Hospital_bed

   A hospital bed or hospital cot is a bed specially designed for hospitalized patients or others in need of some form of health care. These beds have special features both for the comfort and well-being of the patient and for the convenience of health care workers. Common features include adjustable height for the entire bed, the head, and the ...