M-RK II & Scan (Medium Capacity Battery) 161.8 mm x 68 mm x 40.6 mm
(High Capacity Battery) 176.8 mm x 68 mm x 40.6 mm
(Extra High Capacity Battery) 194.3 mm x 68 mm x 40.6 mm
Weight
M-RK I (Medium Capacity Battery) 15.2 ounces
(High Capacity Battery) 19.2 ounces
(Extra High Capacity Battery) 21.2 ounces
M-RK II & Scan (Medium Capacity Battery) 16.4 ounces
(High Capacity Battery) 20.4 ounces
(Extra High Capacity Battery) 22.4 ounces
Operable Temperature Range -30° to +60° (-22° to + 140° F)
TRANSMIT
RF Power Output 0.5 to 5 watts
Spurious Emissions -75 dBc
Maximum Deviation ±5 kHz
±2.5 kHz (switchable, narrowband mode)
FM Hum & Noise -45 dB non-switchable, switchable (wideband mode)
-39 dB switchable (narrowband mode)
Audio Distortion <3% (60% Modulation)
Frequency Stability ±5 ppm (-30°C to +60°C)non-switchable
±2 ppm (-30°C to +60°C)switchable
RF Load Impedance 50 ohms
Microphone Sensitivity Less than 90 dB SPL (EIA 60% MDD)
Maximum Attack Time 25 milliseconds (PTT Pushed)
Audio Frequency Response Within +1 and -3 dB of a 6 dB/octave pre-emphasis from 300 Hz to
3000 Hz. Non-switchable, switchable (wideband mode)
Within +1 and -3 dB of a 6 dB/octave pre-emphasis from 300 Hz to
2550 Hz. Switchable (narrowband mode).
RECEIVE
Sensitivity (12 dB SINAD) -116 dBm
Spurious Response -72 dB (minimum)
Selectivity -75 dB (25 kHz)
-60 dB (12.5kHz) switchable units only
Squelch Sensitivity 6 dB SINAD
Distortion (EIA 0.5 watt) 5%
Audio Frequency Response Within +1 and -3 dB of a 6 dB/octave de-emphasis from 300 Hz to
3000 Hz.
* These specifications are intended primarily for use by service personnel. Refer to the appropriate Spedivication Sheet for
complete specifications.
Non-switchable UHF units are designed for 25 kHz channel spacing only. Switchable
units with the proper software and feature encryption can be used in 12.5 kHz channel
spacing system.
NOTE
LBI-38735
5