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9-6 MTR3000 Radio Frequency Distribution System (RFDS) Equipment: Specifications

9.2.3 External Dual Circulator Tray

Table 9-5 shows the spec limit for External Dual Circulator Tray for UHF frequency band and

Table 9-6 for 800 MHz frequency band.

Table 9-4 MTR3000 Duplexer Specifications (800/900 MHz)

Duplexer Spec

Limit

Typical Notes

Frequency range 806 MHz–870 MHz – –

Insertion loss Tx 1.0 dB 0.8 dB –

Insertion loss Rx 1.0 dB 0.8 dB –

VSWR max. ≤ 1.5:1 1.3:1 –

Rx isolation 80 dB – –

Tx isolation 80 dB – –

Antenna Connector QN – –

Rx/Tx Output Connector QN – –

Note Refer to "Appendix A" for the model number.

Table 9-5 MTR3000 External Dual Circulator Specifications (UHF)

External Dual Circulator Spec Limit Typical

Operating Frequency Range 403–435 MHz,

435–470 MHz,

470–524 MHz

–

Insertion Loss 1.6 dB 1.2 dB

Input Return Loss 18 dB 24 dB

Reverse Isolation 40 dB 50 dB

Power (continuous) 200 W –

Harmonic Attenuation <10 GHz 70 dB (Typical: 80 dB) –

Input Connector RF cable with N male –

Output Connector N female –

Motorola MTR3000 Basic Service Manual

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