Specifications; General; Transmitter; Receiver - Standard Communications Horizon HX255S Owner's Manual

7
Performance specifications are nominal, unless otherwise indicated, and
are subject to change without notice.

7.1 GENERAL

Frequency Range..............................................................156.025 to 163.275 MHz
Channels ......................................................All currently allocated USA, Canadian
RF Power Output with CNB250A Battery .............................................5.0 W (high)
Operating Voltage .......................................................................................7.2 VDC
Current Drain:
Standby .............................................................................................40 mA
Receive ...........................................................................................200 mA
Transmit .........................................................................1.8 A (high power)
Dimensions ...................................................................5.51" H x 2.17" W x 1.50" D
Weight.............................................................................................1.0 Ib. (0.45 Kg)
FCC Type Acceptance Number ................................................................APV0194
Industry Canada Type Approval Number........................................
Battery Life(5% TX, 5% RX, 90% Standby)...........................................10hrs. (low)

7.2 TRANSMITTER

Conducted Spurious Emissions........................................65 dB (high); 55 dB (low)
Audio Response ......................................within +2/-8 of 6 dB/octave pre-emphasis
AF Harmonic Distortion ......................................................................................3 %
Hum and Noise ...............................................................................................37 dB
Frequency Stability (-20° to +50°C)........................................................± 0.0005 %

7.3 RECEIVER

Sensitivity:
20 dB Quieting.................................................................................0.35 V
12 dB SINAD ...................................................................................0.30 V
Squelch Sensitivity (Threshold)....................................................................0.20 V
Modulation Acceptance Bandwidth ...........................................................± 4.5 kHz
Selectivity:
Spurious and Image Rejection ...........................................................60 dB
Intermodulation Rejection...................................................................60 dB
Channel Spacing ...........................................................................................25 kHz
Page 20
and International channels, plus 10 weather channels.
characteristic from 300 Hz to 3000 Hz
Owner's Manual

SPECIFICATIONS

(140.0 mm x 55 mm x 38 mm)
1.0 W (low)
0.7 A (low power)
363822164AP
6hrs. (high)
HX255S