GAI-Tronics 370-400 UHF and VHF Page/Party Radio Couplers User Manual
Page 13

Pub. 42004-432D
Model 370-400 UHF and 370-420 VHF Page/Party
®
Radio Couplers
Page:
13 of 13
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Receiver (measurement procedures made per ANSI/TIA/EIA-603)
Sensitivity (12 dB SINAD)............................................................................................................... 0.25 µV
Inter-modulation ........................................................................................VHF @ −67 dB; UHF @ −67 dB
Transmitter (measurement procedures made per ANSI/TIA/EIA-603)
RF output .................................................................................................................................... 2 or 5 watts
Spurious and harmonic emissions................................................................................< −20 dBm maximum
Approvals
FCC Identifier ............................................................................................................. VHF: AIERT 17–145
UHF: AIERT 17–445
FCC Compliance..................................................................................................................................Part 90
IC Certification ....................................................................................................... VHF: 1084A-RIT 17145
UHF: 1084A-RIT 17445
Frequency Restrictions
Certain transmit and receive frequencies within the coupler’s range are unavailable. Refer to the tables
below for these frequencies. Do not attempt to program the coupler to these frequencies.
Table 7. VHF (138–174 MHz) Restricted Frequencies
Receive
(MHz)
Transmit
(MHz)
Receive
(MHz)
Transmit
(MHz)
Receive
(MHz)
Transmit
(MHz)
Receive
(MHz)
143.9900 143.9900 158.3900 158.3900 172.7900 172.7900 143.5425
143.9925 143.9925 158.3925 158.3925 172.7925 172.7925 143.5575
143.9950 143.9950 158.3950 158.3950 172.7950 172.7950 157.9425
143.9975 143.9975 158.3975 158.3975 172.7975 172.7975 157.9575
144.0000 144.0000 158.4000 158.4000 172.8000 172.8000 172.3425
144.0025 144.0025 158.4025 158.4025 172.8025 172.8025 172.3575
144.0050 144.0050 158.4050 158.4050 172.8050 172.8050
144.0075 144.0075 158.4075 158.4075 172.8075 172.8075
144.0100 144.0100 158.4100 158.4100 172.8100 172.8100
Table 8. UHF (450–470 MHz) Restricted Frequencies
Receive
(MHz)
Transmit
(MHz)
460.80000 460.78750
461.23750 460.79375
461.24375 460.80625
461.25625 460.81250
461.26250