Specifications, 1 general, 2 transmitter – Standard Horizon HX-300 User Manual
Page 45: 3 receiver
Page 45
HX300
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
Operating Voltage:
3.7 V DC, Negative Ground
Current Consumption:
330 mA (Receive, Typical at AF MAX.)
20 mA (Standby)
2.3 A / 0.9 A (TX: 5 W / 1 W)
Battery Life (Approx.):
10 hours (5/5/90 duty cycle)
Operating Temperature:
–4 °F to +140 °F (–20 °C to +60 °C)
Case Size (W x H x D):
2.3” x 5” x 1.3”
(59 x 128 x 33 mm)
(w/o knob & antenna)
Weight (Approx.):
8.4 oz (240 g)
(with FNB-122LI, Belt Clip, & Antenna)
11.2 TRANSMITTER
RF Power Output:
5 W / 1 W (@3.7 V )
Modulation Type:
Variable Reactance
Maximum Deviation:
±5 kHz
Spurious Emission:
–75 dBc typical
Microphone Impedance:
2 k
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 µV for 12 dB SINAD
Selectivity:
25 kHz (–70 dB)
AF Output (Internal SP):
600 mW @8 for 10 % THD (@3.7 V)
Measured in accordance with TIA/EIA-603.