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)
Its most iconic feature was the signature beep sound (or "chirp") that preceded instant communication at the push of a button. nextel
By the late 2000s, reviews became increasingly negative as the merger with Sprint caused service integration issues: Used the iDEN network , which was excellent
Long-term users eventually reported frequent dropped calls and network instability as the system aged. Current Status Used the iDEN network
Primarily served business and field workers (construction, police, transport) due to its durable phones and efficient team-wide communication.
Instant nationwide PTT was unmatched by competitors for years. Cons: