User Manual

Specifications
HPT204BT VHF Modem Specifications
Environmental Specifications
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A.1.2. Environmental Specifications
Table A-2 lists the modem’s environmental specifications.
Table A-2. Environmental Specifications
A.1.3. Transmitter Specifications
Table A-3 lists the transmitter specifications.
Table A-3. Transmitter Specifications
Parameter Specification
Temperature
Operating –40
o
C to +60
o
C
Storage –40
o
C to +85
o
C
Environmental IP 66
Dimensions (H x W x D) 146 mm x75 mm x 44 mm
Weight 488 g
Power Supply Voltage +9 to +36 VDC nominal
Power Consumption (Average) 18W / 2W / 0.01W –Transmit /
Receive / Sleep
Housing/Color Aluminum / Two-tone JAVAD GNSS Green / Gray
VHF Antenna Connector BNC, 50
Parameter Specification
Output Power USA, Canada 15 dBm to 36 dBm in 1 dB steps
(32mW to 4W)
EU 15 dBm to 36 dBm in 1 dB steps
(32mW to 2W)
Output Power Control Accuracy ±1.5 dB (at normal test conditions)
Carrier Frequency Stability ±1.5 ppm initial stability over temp with
±3.0 ppm aging/year
Max. Frequency Error ±1.0 kHz (at normal test conditions)
±1.5 kHz (under extreme test conditions)
Adjacent Channel Power (Conducted)
25/12.5/6.25 kHz CS
25/20/12.5 kHz CS
Part §90.210 (C, D, E)
Clause 4.2.4 EN 300 113-2 (60 dBc)
Spurious Emission (Conducted) -36 dBm (9 kHz – 1GHz)
-30 dBm (1GHz – 4 GHz)
Spurious Emission (Radiated) -36 dBm (9 kHz to 1 GHz)
-30 dBm (1 GHz to 4 GHz)