The Sendo Z100 was an ambitious project that never saw the light of day, remaining in the shadows as a cancelled device. Still, it carries a fascinating story within the mobile phone industry's early days, shedding light on the innovation and challenges faced by manufacturers at the time. Designed to be a feature phone, the Sendo Z100 bore a compact size and bore features that were considered cutting-edge during its time.
The Sendo Z100 was designed to capture the interests of those seeking a compact and stylish mobile device. It featured dimensions of 126 x 48 x 17 mm, taking up about 99 cc of volume, and tipped the scales at a modest 99 grams (3.49 oz). Sporting a Mini-SIM, its construction was meant to be both practical and approachable, fitting nicely into the mobile devices landscape at the time.
The phone was equipped with a TFT display capable of rendering 65K colors, an impressive feat for feature phones of its era. The screen measured 2.2 inches, with an aspect of 35 x 44 mm and providing a screen-to-body ratio of approximately 25.2%. With a resolution of 176 x 220 pixels (~128 ppi density), the display was clear and sufficient for the simple needs of feature phone users back then.
The Sendo Z100 was built with GSM technology, supporting networks on multiple bands, including GSM 900, 1800, and 1900, backing its versatility in connectivity. It featured GPRS for data transfer, though lacks EDGE support, showing the early stages of mobile internet technology evolution.
The phone offered a slot for MMC (MultiMediaCard) expansion, enabling users to expand their storage capacities, a significant advantage for those needing more space for their contacts, messages, and other data. Details about its inbuilt RAM remain unspecified, highlighting the less RAM-intensive operations expected of feature phones.
With a removable Li-Ion battery rated at 600mAh, the Sendo Z100 promised a standby time of about 100 hours and talk time of approximately 4 hours, quite typical for similar devices at the time. This battery life was suitable for most users, covering basic daily communication needs.
The phone came with a loudspeaker, and its alert systems featured vibration alongside monophonic ringtones, which were standard before the advent of polyphonic and later, digital audio ringtones. While lacking a 3.5mm jack, its auditory features aligned with other feature phones of its time.
Despite lacking modern connectivity options like WLAN and Bluetooth, the Sendo Z100 had an infrared port, a popular feature in its time for transferring data between devices. It also used a proprietary USB for physical connections. The absence of a radio or positioning services reflects its position as a basic communication device rather than a multimedia platform.
Running on a feature phone operating system, the Sendo Z100 was equipped with capabilities sufficient for basic messaging, including SMS. With built-in clocks, alarms, and a few games, it catered to elementary user needs, without the advanced applications found in later smartphones. The absence of Java support limited its software to pre-installed features and games.
The Sendo Z100 was announced but never realized in the market, remaining a cancelled project within the archives of mobile technology history. It illustrates the competitive nature of the early mobile phone industry and the difficulties faced by smaller manufacturers in bringing innovative products to market in light of stiff competition and rapid technological advances.
Although the Sendo Z100 never officially launched, it holds a place in mobile technology history as a relic of ambitious attempts to carve a niche in the rapidly evolving world of mobile communications. Its innovations in design and connectivity represented the aspirations and challenges faced by manufacturers during this era of burgeoning digital communication.
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