Midland 248XL - Specifications; General Specifications; Receiver Specifications; Transmitter Specifications

ENGLISH
9
SPECIFICATIONS
GENERAL
Channels ..................................................................... (see the Frequency band chart)
Frequency Range ..................................................................... 26.565 - 27.99125 MHz
Duty cycle (% on 1 hour) ............................................. TX 5% - RX 5% - Stand-by 90%
Frequency Control ....................................................................................................PLL
Operating Temperature Range ..................................................................... -10°/+55° C
DC input voltage .....................................................................................12.6 Vdc ±10%
Size...................................................................................... 150(L) x 45(H) x 175(D)mm
Weight .......................................................................................................................1Kg
RECEIVER
Receiving system ......................................................Dual conversion superheterodyne
Intermediate frequency ................................................ I°IF:10.695 MHz II°IF:455 KHz
Sensitivity ...................................................................0.5µV for 20dB SINAD in AM/FM
Audio output power @10% THD ........................................................... 2.0 W @ 8 Ohm
Audio distortion ...........................................................................Less than 8% @ 1KHz
Image rejection ........................................................................................................65dB
Adjacent channel rejection ......................................................................................65dB
Signal/Noise ratio ....................................................................................................45dB
Current drain at stand/by ......................................................................... 12.6V: 450mA
TRANSMITTER
Output power ......................................................................................................4W max
Modulation ...................................................................................... FM:1.8KHz ± 0.2khz
.............................................................................................................. AM: 85% to 95%
Frequency response .................................................................................300 Hz/3 KHz
Output impedance .................................................................... RF 50 Ohm unbalanced
Signal/Noise Ratio .........................................................................................40 dB MIN
Current drain ................................................................................. max 12.6V: 2500 mA
Specications are subject to change without notice.
A readily accessible disconnect device shall be incorporated in the installation wiring.
The disconnect device shall disconnect both poles simultaneously.