Support 4G network
Achieve unlimited long-distance, clear, ultra-long-distance communication with zero delay intercommunication.
Support single call, group call, group call scanning
By searching for a channel with a signal, when there is a signal on the channel being scanned, the intercom will stop on the channel for a call.
Long battery life (4000mAh Battery)
ET-P4290 has a built-in large-capacity battery, which can meet the daily communication needs of multiple shifts. It has a long-lasting battery life and guarantees the daily communication dialogue.
FDD LTE: B1/B2/B5, WCDMA:B1, CDMA/EVD0: BC0
TDD LTD: B38/B39/B40/B41
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