H350a portable two way radio H350a vhfh350a uhf General specification Frequency range136-150mhz (v1) 150-174mhz (v2)350-370mhz 370-390mhz 400-420mhz 420-450mhz 450-470mhz Channel no.16 Channel spacing12.5/25khz Channel step scope5/6.25khz Power supply voltagedc7.5vía20% Average battery life 5-5-90 duty cycle8 hourshigh power 4w 11hourslow power 1w Operating temperature rangebetween -30íµ to +60íµ Frequency stabilityía2.5ppm Dimensionw*h*t58*125*26mm Weightwith standard nimh battery pack360g Transmitter Rf output5w/1w4w/1w Spurs and harmonics-63dbc Fm hum and noise40db(wide)/35db(narrow) Audio frequency distortion1khz tone, 60% rated max dev