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HX280S
11. SPECIFICATIONS
Performance specifications are nominal, unless otherwise indicated, and are
subject to change without notice.
11.1 GENERAL
Frequency Ranges
:
TX: 156.025 MHz - 157.425 MHz
RX: 156.050 MHz - 163.275 MHz
Channel Spacing
:
25 kHz
Frequency Stability
:
±5 ppm
(–4 °F to +140 °F [–20 °C to +60 °C])
Emission Type
:
16K0G3E
Antenna Impedance
:
50
Ω
Supply Voltage
:
7.4V DC, Negative Ground
(Battery Terminal)
Current Consumption
:
320 mA (Receive, Typical at AF MAX.)
50 mA (Standby)
1.6 A / 0.7 A (TX: 5 W / 1W)
Operating Temperature
:
–4 °F to +140 °F (–20 °C to +60 °C)
Case Size
(W x H x D):
2.20” x 5.24” x 1.08” (56 x 133 x 27.5 mm)
(w/o knob & antenna)
Weight
(Approx.):
10.9 oz (310 g)
(w/FNB-V105LI, Belt Clip, & Antenna)
11.2 TRANSMITTER
RF Power Output
:
5 W / 1 W (@7.4 V )
Modulation Type
:
Variable Reactance
Maximum Deviation
:
±5 kHz
Spurious Emission
:
–75 dBc typical
Microphone Impedance
:
2 k
Ω
11.3 RECEIVER
Circuit Type
:
Double-Conversion Superheterodyne
Intermediate Frequencies
:
1st: 21.7 MHz, 2nd: 450 kHz
Adjacent Channel Selectivity
:
70 dB typical
Intermodulation
:
68 dB typical
Hum & Noise Ratio
:
40 dB typical
Sensitivity
:
0.25
μ
V for 12 dB SINAD
Selectivity
:
25 kHz (–70 dB)
AF Output
(Internal SP):
700 mW @16
Ω
for 10 % THD (@7.4 V)
Measured in accordance with TIA/EIA-603.
