User Manual
CM70
Specifications
General
Channels...................................................................................................... 40 Ch AM/FM 4W
Frequency Range.................................................................................26.565 to 27.99125 MHz
Frequency Control...............................................................................................................PLL
Operating Temperature Range...............................................................................-10 / +55 C
DC Input Voltage...............................................................................................13.2 V DC 15%
Size..............................................................................................182(L) X 37(H) X 139(D) mm
Weight........................................................................................................................0.850 kg
Receiver
Receiving System.................................................................Dual Conversion Super Heterodyne
st
nd
Intermediate Frequency......................................................1
IF: 10.695 MHz, 2
IF: 455 MHZ
Sensitivity...........................................................................0.5 V for 20 db SINAD in FM mode
Audio Distortion.....................................................................................Less than 8% @ 1 KHz
Image Rejection...............................................................................................................65dB
Adjacent Channel Rejection..............................................................................................65dB
Signal/ Noise Ratio...........................................................................................................45dB
Current Drain at standby...............................................................................................250 mA
Current Drain at maximum audio..................................................................................650 mA
Transmitter
Output Power...................................................................................................4W @ 13.2 V DC
Modulation...............................................................................................FM: 1.8 KHz 0.2 KHz
Frequency response...............................................................................From 400 Hz to 2.5 KHz
Output impedance....................................................................................RF 50 ohm Unbalance
Signal/ Noise Ratio...................................................................................................40 dB MIN
Current Drain..............................................................................................................1200 mA
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