The Ericsson GH 688, launched in 1996, represents a pivotal moment in the evolution of mobile technology. As one of the seminal devices of its time, the GH 688 offered a blend of functionality and durability that was characteristic of Ericsson's engineering prowess. Although discontinued now, it played a significant role in setting the foundation for future advancements in the mobile phone industry.
The Ericsson GH 688 was a GSM-based device, catering specifically to the GSM 900 network. This technological choice made it suitable for a wide range of users, particularly in Europe, where these bands were prevalent. However, the device did not support GPRS or EDGE, a common limitation of phones of its era. This meant that while voice communication was robust, data services were non-existent, aligning with the user needs and technological capabilities of the mid-90s.
In terms of design, the GH 688 featured dimensions of 130 x 49 x 23 mm and weighed 160 grams. Despite its considerable weight by modern standards, it was considered compact and portable at the time. The device used a Mini-SIM, reflecting the standard of the era. Its alphanumeric screen, offering a resolution of 3 x 12 characters, was typical for the period, emphasizing functionality and ease of use over graphical capability. The build was robust, designed to withstand the rigors of daily use, a hallmark of Ericsson devices.
The display of the Ericsson GH 688 was simplistic, featuring an alphanumeric representation. While it did not match the graphical capabilities of later models, it efficiently served its purpose for messaging and contact management. The primary aim was to deliver a clear and readable interface for users focused on communication rather than multimedia consumption.
When it came to memory, the GH 688 did not include a card slot, which was common for devices of its time. However, it did have the capability to store up to 99 contacts, which was a significant feature. This storage capacity was adequate for personal use, reflecting the phone's primary function as a communication tool rather than a multimedia or computing device.
The sound profile of the Ericsson GH 688 was minimalistic. It offered monophonic ringtones, a standard feature before the rise of polyphonic and real-tone ringtones. The device lacked a loudspeaker and a 3.5mm audio jack, underscoring its focus on basic communication tasks over entertainment or media consumption.
Communication on the Ericsson GH 688 was limited to SMS and voice calls, as the phone lacked modern connectivity options like WLAN, Bluetooth, or positioning services. This absence highlights the period's technological constraints, where connectivity was primarily oriented towards voice communication.
The Ericsson GH 688 was modestly equipped with features such as an alarm clock and support for 19 different languages, making it versatile across various regions. The device did not support Java-based applications or include interactive games, keeping in line with its utilitarian role as a communication device.
This model was powered by a removable NiMH battery with a capacity of 1200 mAh. The battery life was commendable, offering a standby time of up to 96 hours and a talk time of approximately 240 minutes. This battery performance was an essential feature, as it provided users with several days of usage on a single charge, a critical factor in an era without pervasive charging infrastructure.
The Ericsson GH 688 is a testament to the robust, no-frills engineering philosophy of the 1990s. Its design and features were tailored to an audience that prioritized reliable voice communication without the complexities of modern smartphones. While it may seem archaic by today's standards, its impact is undeniable in the mobile telecommunications story. It laid foundational technologies and set a precedent for durable, reliable mobile communication, paving the way for future generations of mobile devices.
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