Radio trunking systems

Taiwan – Cybercom Electronic Co. Ltd’s H112Plus-V1-VHF is a 120ch PC-programmable handheld two-way radio with 51 CTCSS and 83 DCS groups. The model has a 5-tone ANI (EEA) encoder and features a different TX/RX subtone for each channel. It has voice compression and scramble, as well as a 15-level electronic voice volume level. The handheld two-way radio has PLL control and operates on the 31MHz, 66MHz to 88MHz, 138MHz to 174MHz, 220MHz to 250MHz, 400MHz to 440MHz and 440MHz to 470MHz frequencies. Its channel spacing is 25kHz/12.5kHz.

The unit has a 50ohm antenna and a 600ohm microphone input impedances, ±2.5kHz/1.25kHz modulation with 5 percent distortion, and 12dB SINAD receiver sensitivity at 0.25µV. Its power input is 7.5V to 9V. The transmitter power output is 5W in VHF and 4W in UHF; and the receiver audio output is 500mW (250mW at 10 percent distortion). Other features include auto scan, auto squelch mode, TOT and dual watch functions. An LCD panel is built in.

The handheld two-way radio runs on a 1500mAh rechargeable battery and features low power indication and auto power save features. It measures 120x65x45mm and weighs less than 390g with the battery.