User's Manual
GuardianManual001‐5006‐000Rev0 62|Page
6 GUARDIANSPECIFICATIONS
Thesespecificationsaretypicalandsubjecttochangewithoutnotice.
GENERAL VHF UHF 900
Model Numbers
140-5016-50x
140-5026-50x
140-5046-30x
140-5046-400 (ETSI, AS/NZ)
140-5046-50x
140-5046-600 (AS/NZ)
140-5096-50x
Frequency Range (MHz)
136 – 174 MHz
215 – 240 MHz
406.125 – 470.000 MHz
406.125 – 470.000 MHz
450.000 - 511.975 MHz
450.000 - 511.975 MHz
928 – 960 MHz
Frequency Stability
1.0 ppm 1.0 ppm 1.0 ppm
Channel Bandwidth
12.5 kHz
25 kHz
12.5 kHz
25 kHz
12.5 kHz (ETSI, AS/NZ certified)
25 kHz (ETSI, AS/NZ certified)
12.5 kHz
25 kHz
Modes of Operation
Simplex, Half-Duplex, Full-Duplex
Frequency Increment
1.25 kHz
Power Source
10-30 VDC, Negative GND
The Guardian is UL approved when powered with a listed Class 2 power supply.
RF Impedance
50 Ω
Operating Temperature
-30° to + 60° C
Storage Temperature
-40° to + 85° C, 95% non-condensing RH
Operating Humidity
5% to 95% non-condensing RH
Rx Current Drain at 25°C
DC Input 10V DC Input 20V DC Input 30V
520 mA (max)
450 mA (typ)
270 mA (max)
240 mA (typ)
190 mA (max)
170 mA (typ)
Tx Current Drain at 25°C
Power Out DC Input 10V DC Input 20V DC Input 30V
Max Pwr
5.8 A (max)
3.6 A (typ)
2.5 A (max)
1.8 A (typ)
1.6 A (max)
1.2 A (typ)
30 dBm
(1W)
1.6 A (max)
1.2 A (typ)
0.8 A (max)
0.6 A (typ)
0.6 A (max)
0.4 A (typ)
Cold start
20 seconds
Nominal Dimensions
5.50" W x 2.125” H x 4.25" D (13.97 x 5.40 x 10.8 cm)
Shipping Weight
2.4 lbs. (1.1 Kg)
Mounting Options
Mounting plate/pattern & DIN Rail
Fan Output
5VDC, 400mA max.