The RIM-900 was one of the first wireless data devices, marketed as a

two-way pager A pager, also known as a beeper or bleeper, 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 acknow ...

. It operated on the

Mobitex Mobitex is an OSI based open standard, national public access wireless packet-switched data network. Mobitex puts great emphasis on safety and reliability with its use by military, police, firefighters and ambulance services. It was developed in ...

network. It was a clam shell device that could fit on a belt. It had a small

QWERTY QWERTY ( ) is a keyboard layout for Latin-script alphabets. The name comes from the order of the first six Computer keyboard keys#Types, keys on the top letter row of the keyboard: . The QWERTY design is based on a layout included in the Sh ...

keyboard for sending and receiving email and interactive messages. The product was introduced as Inter@ctive Paging in 1996 by

Research in Motion BlackBerry Limited, formerly Research In Motion (RIM), is a Canadian software company specializing in secure communications and the Internet of Things (IoT). Founded in 1984, it developed the BlackBerry brand of interactive pagers, smartpho ...

and

RAM Mobile Data RAM Mobile Data was founded by RAM Broadcasting Corporation as American Mobile Data Communications, Inc. in 1988.RAM Broadcasting Corporation was an owner of regional paging companies and cellular companie The name of the company was changed to R ...

.RIM rebrands as BlackBerry in move seen as 'brilliant' and 'risky' by experts
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References

Personal digital assistants Pagers Products introduced in 1996

900 __NOTOC__ Year 900 ( CM) was a leap year starting on Tuesday of the Julian calendar. Events By place Abbasid Caliphate * Spring – Forces under the Transoxianian emir Isma'il ibn Ahmad are victorious at Balkh (Northern Afghan ...

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