4G WiFi Sim Card Android System Radio Hand Telephone with Zello & Real PTT Walkie Talkie
Dual-function device combining 4G smartphone and professional walkie-talkie capabilities with Zello/Real PTT support for instant team communication. Rugged industrial-grade polycarbonate body with reinforced rubber edges for shock/drop resistance, ideal for construction sites, logistics, and outdoor adventures. Seamless 4G LTE connectivity with dual SIM slots for uninterrupted global coverage, plus WiFi hotspot functionality to share data with up to 10 devices. High-capacity 5000mAh battery with fast charging ensures 48+ hours of continuous PTT operation under extreme temperatures (-20°C to 60°C). Precision-engineered loudspeaker (3W) and noise-canceling mic deliver crystal-clear audio even in 90dB environments like factories or concerts. IP67 waterproof rating and MIL-STD-810G certification withstand dust, rain, and accidental submersion for 30 minutes. Pre-installed Android 11 with dedicated PTT side button for one-touch group calls, compatible with all major dispatch software. Includes programmable SOS alert button and built-in GPS tracking (2m accuracy) for emergency response teams or security personnel. Customizable quick-menu interface with glove mode, perfect for technicians, event staff, or warehouse operators wearing protective gear. Supports global frequency bands (B1/B3/B5/B7/B8/B20/B28) with detachable 2.4GHz high-gain antenna for enhanced signal penetration.