|
|
|
|
Frequency range
|
:
|
136-174MHz
|
|
Number of channels
|
:
|
Max. 256 channels / 32 zones
|
|
Channel spacing
|
:
|
12.5kHz / 25kHz, 15kHz / 30kHz
|
|
Antenna impedance
|
:
|
50 ohms
|
|
PLL channel step
|
:
|
2.5kHz, 3.125kHz
|
|
Power supply requirement
|
:
|
13.6V DC
|
|
Current drain (approx)
|
:
|
|
Tx
|
50W
|
14.0A
|
|
Rx
|
Max. Audio
|
1200mA
|
|
Stand-by
|
600mA
|
|
|
Operating temperature range
|
:
|
-30°C to +60°C; +22°F to +140°F
|
|
Dimensions (W×H×D)
(Projections not included)
|
:
|
175 × 45 × 170 mm;
67/8 × 125/32 (H) × 611/16 in
|
|
Weight (approx.)
|
:
|
1.5kg; 3.3lb
|
|
|
|
|
Output power (approx)
|
:
|
50W
|
|
Modulation system
|
:
|
Variable reactance frequency modulation
|
|
Max. freq. deviation
|
:
|
+2.5Khz (Narrow)
±5kHz (Wide)
|
|
Frequency Error
|
:
|
±2.0ppm
|
|
Spurious emissions
|
:
|
705B typ.
|
|
Adjacent channel power
|
:
|
60dB (Narrow)
70dB (Wide)
|
|
FM Hum and Noise
|
:
|
40dB typ. (Narrow)
45dB typ. (Wide)
|
|
Audio harmonic distortion
|
:
|
3% typ. (AF 1kHz, 40% deviation)
|
|
Modulation limiting
|
:
|
70-100%
|
|
Ext. Microphone connector
|
:
|
600Ω (8-pin modular)
|
|
|
|
|
Intermediate freq.
|
:
|
1st 46.35
2nd 450kHz
|
|
Sensitivity (typical)
|
:
|
0.25µV typ. (at 12dB SINAD)
0.25µV typ. (5% BER APCO)
|
|
Squelch sensitivity
|
:
|
0.25µV typ. (at threshold)
|
|
Adjacent Channel Selectivity
|
:
|
70dB typ. (Narrow)
80dB typ. (Wide)
73db typ. (APCO)
|
|
Spurious response
|
:
|
80dB
|
|
Intermodulation
|
:
|
75dB typ. (Narrow)
77dB typ. (Wide)
77dB typ. (APCO)
|
|
Hum and noise ratio
|
:
|
45dB typ. (Narrow)
50dB typ. (Wide)
|
|
Audio output power
|
:
|
4W at 10% distortion with a 4Ω load
|
|
External audio output (D-sub)
|
:
|
22W typ. at 10% distortion with a 4Ω load
|
|
External speaker connector
|
:
|
2-conductor 3.5 (d) mm (1/8") / 8Ω
|
Measurements
made in accordance with EIA-152C/204D, TIA-603.
All stated specifications are subject to change without notice or obligation.
IC-F1721
VHF Transceiver without
10-keypad, analog version
IC-F1721D
VHF Transceiver without
10-keypad, P25 digital version
IC-F1821
VHF Transceiver with
10-keypad, analog version
IC-F1821D
VHF Transceiver with
10-keypad, P25 digital version
|