|
General |
|
Frequency coverage |
136–174MHz
|
|
Number of channels |
Max. 512 channels/ 128 zones |
|
Power supply requirement |
13.6V DC nominal |
|
Current drain (approx.)
|
|
Tx |
High (50W) |
11..0A |
|
Rx |
Max. Audio |
1000mA |
|
|
Stand-by |
350mA |
|
|
Operating temperature range |
–30°C to +60°C; –22°F to +140°F |
|
Antenna impedance |
50Ω (SO-239) |
|
Dimensions (W×H×D) |
175×45×170mm;
67⁄8×125⁄32×611⁄16in
|
|
Weight |
1.5kg; 3.3lb
|
|
Rated output power |
50W |
|
Channel spacing |
15/30kHz (analog)
12.5 kHz (digital) |
|
Transmitter |
|
Audio output power |
4W typical at 10% distortion with a 4Ω load |
Max. frequency deviation
Maximum pattern |
±5.0/2.5kHz (Wide/Narrow)
±2.85kHz (Digital)
|
|
Frequency error |
±1.0ppm |
|
Spurious emissions |
70dB min. |
|
Adjacent channel power |
70/60dB min (wide/Narrow)
67dB min. (Digital) |
|
FM hum and noise |
48/45dB typ. (Wide/Narrow) |
|
Audio harmonic distortion |
3% typ. (40% deviation) |
|
External microphone impedance |
600Ω (8-pin modular) |
| Receiver |
Sensitivity
Analog
Digital
|
0.25μV typ. (at 12dB SINAD)
0.25μV typ. (at 5% BER)
|
|
Squelch sensitivity |
0.25μV typ. (at threshold) |
Adjacent Ch. selectivity
Analog (TIA/EIA603B)
(TIA/EIA603)
Digital |
81/53dB typ. (Wide/Narrow)
85/77dB typ. (Wide/Narrow)
63dB typ. |
|
Spurious response |
85dB min. |
|
Intermodulation |
78dB typ. |
Audio output power
External audio (D-sub)
|
4W typ.
22W typ.
at 10% distortion with a 4Ω load |
|
Hum and noise ratio |
55/51dB typ. (Wide/Narrow)
52dB typ. (Digital) |
|
External speaker connector |
2-conductor 3.5 (d) mm (1⁄8″)/4Ω |
Icom makes rugged products that have been tested to and passed the following MILSTD
requirements and strict environmental standards.
Also meets equivalent MIL-STD-810-C, -D and -E.
Ingress protection standard:
Dust and water: IP54* (Dust-protection
and water resistant)
*IP54 test were performed
on the controller and RMK-2 only.