Midland Radio P-20 User Manual
Owner’s Manual for the P-20 (Itinerant Radio)
http://www.midlandradio.com
Page 15 of 16
TECHNICAL SPECIFICATIONS*
GENERAL
Frequency range...........................................................................464/467/469 MHz
Channels...............................................................................................................10
Modulation type................................................................................................. FM
Antenna impedance ....................................................................................50 Ohm
Loud-speaker..........………..................................................................8 Ohm 0.5W
Microphone...................................................................................…electronic type
Power supply.............................................3 AA Ni-cads or Alkaline(3.6/4.5VDC)
RECEIVER
Sensitivity at 12dB Sinad..............................................................................0.35µV
Selectivity........................................................................................................50 dB
Squelch range...................................................................................…...Automatic
Audio output power...........................................0.25W @ 8 Ohm (10% distortion)
Distortion at 500 mV.........................................................................................7%
Audio frequency response.....................................................................400-2400 Hz
TRANSMITTER
RF Output Power...........................................….......nominal 1000 mW @ 4.5VDC
Frequency Tolerance.................................................................................0.00025%
Harmonic Suppression...................................................................more than 50 dB
Modulation......................................................................................FM +/- 2.5 kHz
*Specifications are nominal and subject to change
CHANNEL FREQUENCIES
GENERAL
Frequency range...........................................................................464/467/469 MHz
Channels...............................................................................................................10
Modulation type................................................................................................. FM
Antenna impedance ....................................................................................50 Ohm
Loud-speaker..........………..................................................................8 Ohm 0.5W
Microphone...................................................................................…electronic type
Power supply.............................................3 AA Ni-cads or Alkaline(3.6/4.5VDC)
RECEIVER
Sensitivity at 12dB Sinad..............................................................................0.35µV
Selectivity........................................................................................................50 dB
Squelch range...................................................................................…...Automatic
Audio output power...........................................0.25W @ 8 Ohm (10% distortion)
Distortion at 500 mV.........................................................................................7%
Audio frequency response.....................................................................400-2400 Hz
TRANSMITTER
RF Output Power...........................................….......nominal 1000 mW @ 4.5VDC
Frequency Tolerance.................................................................................0.00025%
Harmonic Suppression...................................................................more than 50 dB
Modulation......................................................................................FM +/- 2.5 kHz
*Specifications are nominal and subject to change
CHANNEL FREQUENCIES
01=464.500
05=467.850
09=469.500 /
02=464.550
06=467.875
464.500
03=467.7625 07=467.900 10=469.550
/
04=467.8125
08=467.925
464.550