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Its most iconic feature was the signature beep sound (or "chirp") that preceded instant communication at the push of a button.

Used the iDEN network , which was excellent for voice and PTT but struggled significantly with data speeds, becoming obsolete as the smartphone era began. Historical Reviews (Sprint-Nextel Era) nextel

Data capabilities were described as slower than 1990s dial-up internet. Its most iconic feature was the signature beep

Following the Sprint merger , customers reported a sharp decline in support quality and helpfulness. nextel