Motorola GTR 8000, Руководство пользователя

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GTR 8000 Base Radio
10.2.6 Duplexer Specifications (UHF)
Table 10-12 Duplexer Specifications (UHF)
Duplexer Spec
Limit (UHF)
Typical Notes
380–403 MHz,
403–435 MHz,
435–470 MHz,
470–494 MHz,
Frequency range
494–512 MHz
Insertion loss Tx* 1.3 dB 1.1 dB
Insertion loss Rx* 1.3 dB 1.1 dB
VSWR max. 1.3:1 1.2:1
Rx isolation*
<470 MHz
>470 MHz
100 dB
100 dB R/T 5 MHz
R/T 3 MHz
Tx isolation*
<470 MHz
>470 MHz
100 dB
100 dB R/T 5 MHz
R/T 3 MHz
Antenna Connector N female
Rx/Tx Output
Connector N Female
* For <470 MHz R/T can be as low as 3 MHz and for >470 MHz R/T can be a low as 2 MHz;
however, insertion loss or isolation specs may not be met.
10.2.7 Duplexer Specifications (VHF)
Table 10-13 Duplexer Specifications (VHF)
Duplexer Spec
Limit (VHF)
Typical Notes
136–146 MHz,
144–160 MHz,
Frequency range
158–174 MHz
Insertion loss Tx* 1.3 dB 0.7 dB
Insertion loss Rx* 1.3 dB 0.7 dB
VSWR max. 1.5:1 1.2:1
Rx isolation* 75 dB 80 dB
Tx isolation* 75 dB 77 dB
10-10 6871022P86-A - November 2012