Midland 248 User Manual

4
ENGLISH
4
REAR PANEL
18. Antenna connector (SO239 connector type).
19. S. Meter jack: it allows an external “S. Meter” connection.
20. “PA” jack: by connecting with an external loudspeaker, you can use the unit as an
audio-amplifier.
21. ”EXT” jack: external loudspeaker jack (the internal loudspeaker is excluded).
22. Power 12.6V DC: power supply cable.
MICROPHONE
1. PTT: transmission button
2. UP/DOWN buttons: manual channel selector
3. LOCK button: it allows you to lock the UP/DOWN
buttons.
4. 6 pin microphone connector
19 20 21 22
23
ANTENNA
S-METER
PA EXT
POWER
13,2 V DC

Midland 248 Specifications

Operating Environment

frequency range	26.565 - 27.99125 MHz
duty cycle	TX 5% - RX 5% - Stand-by 90%
operating temperature range	-10°/+55° C

Power

dc input voltage	12.6VDC ±10%
current drain at stand-by	250mA
current drain max	2500 mA

Receiver

sensitivity fm mode	0.5µV for 20 dB SINAD
audio output power	2.0 W @ 8 Ohm
audio distortion	less than 8% @ 1 KHz

Transmitter

output power	4W max
modulation am	from 85% to 95%
modulation fm	1, 8 KHz ± 0, 2 KHz

Weight and Dimensions

size	180 (L)x50 (H)x150 (P) mm
weight	1kg