4.0-inch high-definition TFT； DMR Tier3 & Tier2 , UHF，4W RF Global LTE bands and Dual SIMs； Reliable and Ruggedized Smartphone Design； Large capacity battery, super standby； Android OS； IP68； * Upgradeable 5G；

2.4-inch high-definition TFT； Global LTE bands and Dual SIMs； Reliable and Rugged tow way radio Design； Large capacity battery, super standby； Android OS； IP68； *Ex IIB Intrinsically-Safe；

2.4-inch, high-definition and high brightness； Global LTE bands； 4G+64G（256G）； Android OS； 3200mah battery, standby>24h； IP68； *Upgradeable 5G；

8.0-inch/10.0-inch, high-definition and high brightness 750cd/m2 LTE 8-core processor, global bands,dual SIM cards 8G+128G(512G) Rugged and reliable design 10000mah battery, ≥10h Android OS IP68 * Ex Intrinsically-Safe *Upgradeable 5G