Icom GM1600 21K - SPECIFICATIONS; General and Transmitter Specifications; Receiver and System Specifications

25
SPECIFICATIONS
12
D GENERAL
• Frequency coverage
TX/RX : 156.300–156.875 MHz
• Mode : 16K0G3E
• Channel spacing : 25 kHz
• Power supply requirement : Battery packs (BP-234 or BP-
224*)
*For on-board use only
• Current drain (approx.) : TX High (2 W) 1.0 A
at 7.5 V DC for [USA] TX Low (1 W) 700 mA
at 7.2 V DC for [GEN] Max. audio 200 mA
• Useable temperature range :
[USA] –20°C to +60°C; –4°F to +140°F
[GEN] –20°C to +55°C; –4°F to +131°F
• Antenna impedance : 50 Ω
• Dimensions : 65(W) × 145(H) × 44(D) mm
(Projections not included) 2
9
/
16
(W) × 5
23
/
32
(H) × 1
3
/
4
(D) inch
• Weight (with BP-234) : Approx. 385 g (13.6 oz)
D TRANSMITTER
• Output power : 2 W (Hi) and 1 W (Low)
at 7.5 V DC for [USA]
at 7.2 V DC for [GEN]
• Modulation system : Variable reactance frequency
modulation
• Frequency error :
[USA] ±5.0 ppm
(–20°C to +60°C; –4°F to +140°F)
[GEN] ±1.5 kHz
(–20°C to +55°C; –4°F to +131°F)
• Microphone impedance : 2 kΩ
• Max. frequency deviation : ±5.0 kHz
• Adjacent channel power : 70 dB
• Audio harmonics distortion : 10% at 60% deviation
• FM hum and noise : 40 dB
• Spurious emissions :
[USA] –70 dBc typical
[GEN] 0.25 µW (30 MHz to 1 GHz)
1 µW (1–2 GHz)
D RECEIVER
• Receive system : Double-conversion
superheterodyne
• Sensitivity :
[USA] (at 12 dB SINAD) 0.25 µV typical
[GEN] (at 20 dB SINAD) –2 dBµ EMF typical
• Squelch sensitivity (at threshold) :
[USA] 0.35 µV typical
[GEN] 0 dBµ EMF typical
• Intermodulation rejection ratio :
[USA] 70 dB
[GEN] 68 dB
• Spurious response rejection ratio : 70 dB
• Adjacent channel selectivity : 70 dB
• Hum and noise : 40 dB
• Audio output power :
[USA] 0.35 W typical at 10% distor-
tion with an 8 Ω load.
[GEN] 0.20 W at 10% distortion with
an 8 Ω load.
All stated specifications are subject to change without notice or
obligation.