2.1 Introduction Technology Co., Ltd. Shenzhen High kete latest GT100C CMDA EVDO-based public network handheld walkie-talkie. The latest generation of cluster Intercom, stylish novel, simple perfect design. In speaking, the real one machine in hand, the country can speak equipment. In accordance with ergonomic body design concept design, let GT100C more portable, comfortable feel. 2.2 features the latest generation of cluster Intercom. Relying on China Telecom networking service platform. Using China Telecom segment numbers and other special things. Using the machine machine card technology to solve a variety of communication because the SIM card lead to poor sound drawback: the use of high-quality speakers, voice deep and bears bright, can be used in noisy environments complex, with proprietary speech codec technology, so that the sound clear, with no noise. Truly, how clear the phone, GT100C there is more clear. Power: using the original power-saving technology, scientific management of battery power. Voice Tip: on, off, group switching, have adopted a low-battery warning voice broadcast, especially the low-battery into multi-level broadcast, humane language broadcaster makes machines more affinity. Battery: GT100C use A + grade batteries, using high-quality 2700mAh battery, with unique intelligent charge and discharge protection designed to prevent excessive battery charge and discharge, and original power-saving technology, so battery life is greatly improved. Texture: RCF ergonomically designed to maximize fit your hand, nest in the hands of a good sense of control and comfort, without losing the texture, it will not feel bulky and cumbersome. Intelligent charging technology: imported intelligent management chip circuitry to automatically disconnect after a full circuit, to avoid damage to the battery from overcharging together, greatly extending battery life. 2.3 Technical Specifications Model: GT110C Network standard: CDMA EVDO bands: 1920-1935Mhz, 2110-2125Mhz 825-840Mhz, 870-885Mhz Working temperature: -25 C + 60 C Antenna Impedance: 50Ω impedance microphone: volume (length × width × thickness): Battery: 2700mAh Weight: Operating voltage: 3.7V DC Standard power consumption: maximum transmit power: 23dBm Receiver sensitivity: -106dBm Standby time: 24 hours 2.4 applications firefighting, rescue, transportation, law enforcement, medical, emergency, police, prisons, race , assembly, power, logistics, fleet, travel, courier