4G PTT радио Real PTT ZELLO Talkie talkie Talkie Dual SIM card smartphone

Network support                                  LTE FDD/LTE TDD/WCDMA/TD-SCDMA/CDMA/GSM

Working voltage                                   DC 3.3V~4.2V

Antenna impedance                              50Ω

Baseband speed                                   CAT4 150M/50M

Antenna Impedance                              50Ω

Operating Temperature                         -30℃~+75℃

Network protocol                                  Support TCP/PPP/UDP protocol

Design & manufacture 2 way radio for 20 years,

With ISO, CE, FCC and Rohs,

Taking 30,000 square meters,

with 500 people, 7 product line, and 9 SMT lines.

Export 1,000,000 pcs radios to 60 countries each year.

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