CALAMP WIRELESS NETWORKS INC. GPDB Manual De Usuario

UHF

800 MHz

900 MHz

1

Frequency

403 - 460MHz

2

,

450 - 512 MHz

TX 806 - 824 MHz,

RX 851 - 869 MHz

TX 896 - 902 MHz,

RX 935 - 941 MHz

Channel spacing

12.5, 20 or 25 kHz

Frequency Control

Digital Synthesizer / uController

Frequency Stability

1.5 ppm

Operating temperature

-30°C to +60°C (25°C nominal) @ 95% non-cond. RH

Mode of Operation

Half Duplex

Number of channels

16 internally stored, flash-EEPROM programmable

Supply voltage

13.6Vdc nominal (negative ground)

10.9 – 16.3 VDC

Circuit Protection

15 Amp fuse external,

Internal crowbar diode for reverse polarity protection

RX Current at 13.6 VDC

< 650 mA Standby (with GPS receiver)

TX Current  at 13.6 VDC

< 12 A

< 12 A

< 10 A

TX/RX separation

any, 5 MHz typical

45 MHz typical

39 MHz typical

Nominal Dimensions

7.1” D x 6.0” W x 2.0” H

Weight:

< 4.5 lbs.

RF input/output Impedance

50 ohms nominal

RF connector

Main TX/RX: mini-UHF female

Auxiliary RX: mini-UHF female

GPS RX: SMA female (Not installed for G3 Lite version)

Interface connector

3x DE-9F D-subminiature

Sensitivity (12 dB SINAD)

-116 dBm (< 0.35 µV) *

Adjacent channel rejection
(Selectivity)

75 dB @ 25 kHz, 65 dB @ 12.5 kHz

63 dB @ 12.5 kHz

Intermodulation rejection

75 dB

FM hum & noise ratio

>40 dB @ 12.5 kHz,   >45 dB @ 25 kHz *

>40 dB @ 12.5 kHz *

Spurious Response
Rejection

>80 dB

Conducted spurious

 -57 dBm

* psophometrically weighted filter

Power output

UHF = 10-40 watts

800 MHz = 10-35 watts

900 MHz = 10-25 watts

Duty cycle

20% @ full power, 30 sec. max. TX time (subject to FCC MPE limit)

Conducted Spurious

> -80 dBc

Frequency stability

1.5 ppm

FM hum and noise ratio

>40dB @ 1.5 kHz deviation,  >45 dB @ 3.0 kHz deviation

Attack time

< 10 ms

                                                     

1

 WARNING: 

2

 

WARNING: