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Taiwan Chief Tek Electronics Co. Ltd has released model IS-31, a handheld VHF two-way radio equipped with a large LCD panel, a 7.4V 2,100mAh Li-ion battery and a flash micro-controller unit. The IP65-rated model has 50 operating channels and can be programmed through a PC. It has 31MHz frequency and 10kHz channel spacing. It features seven auto squelch levels, whisper microphone and scan function. Its microphone has 2kohms input impedance and its antenna has 50ohm impedance. The unit’s receiver has up to 53dB adjacent channel selectivity, 70dB spurious response rejection, 40dB S/N ratio and 0.5W audio power output. The transmitter has 1W to 4W power output, 2kHz maximum frequency deviation, at least –53dBm harmonic/spurious rejection and more than 54dB adjacent channel power. With the battery installed, the handheld radio measures 120x54x35mm and weighs 250g. The product complies with CE and RTTE requirements. The minimum order is 100 units and delivery lead time is 45 days.
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