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Quanzhou Wouxun Electronics Co. Ltd. is a manufacturer of hand held radios from Quanzhou City, People's Republic of China. The company was founded in 2000 to manufacture UHF/VHF radios. [41] KG-UV6D [42] [43] KG-UV9D
RX signals may be input via a front BNC connector or a rear UHF SO-239 connector (Yaesu calls it a type "M" connector) using a relay on the PA unit. The selection has to be made per band (HF, 6, 2 m or 70 cm) using menu selection. The BNC connector is the antenna connector chosen when the relay is bypassed.
The Yaesu VX-1R is a micro-miniature multiband FM transceiver with extensive receiver frequency coverage intended for use in licensed "Ham" or amateur radio operations. It is purportedly the smallest UHF/VHF hand-held transceiver available, with dimensions of 4.7 × 8.1 × 2.5 cm (1.9 × 3.2 × 1.0 in).
300 MHz – 3.8 GHz, two general wideband RX and selectable GPS, ISM, PCS, UHF RX bands ? ? <40 MHz (Programmable) 0/2 USB 3.0 SuperSpeed Yes Yes Yes Bitshark Express RX [28] Kit 300 MHz – 4 GHz ? 105 MSPS (RX only) 0/1 ? PCIe Yes Yes ? bladeRF [29] Pre-built 300 MHz – 3.8 GHz 28 MHz 12 12 Yes 80 kSPS – 40 MSPS 1 ? USB 3.0 SuperSpeed Yes
Icom IC-9100: HF/VHF/UHF transceiver. Must purchase optional UT-121 D-STAR module. Icom IC-9700: 2 m / 70 cm / 23 cm All Mode. Includes the Digital Data Mode found in the discontinued ID-1. Can decode two digital voice streams at once. Icom IC-7100: HF/VHF/UHF transceiver. Includes built-in D-STAR capability and monochrome touchscreen.
The receiver is filtered by a 22 pole crystal filter with switchable extra 8 and 6 pole narrow band CW filters, a 14 pole SSB filter and a separate 14 pole CW filter. The RF circuit is based on a – manually or automatically – microprocessor controlled PIN diode attenuator with 2 bipolar power transistors used as a high level RF amplifier in the receive mode and as a double RF output pre ...
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Citizens' band radio is allocated in many countries, using channelized radios in the upper HF part of the spectrum (around 27 MHz). It is used for personal, small business and hobby purposes. Other frequency allocations are used for similar services in different jurisdictions, for example UHF CB is allocated in Australia.
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