User's Manual

Specifications
HPT135 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
Communication Mode Time Division Duplex (TDD)
Time Division Multiple Access (TDMA)
Maximum Distance Range 48 miles / 77 km
Serial port Serial (RS-232) up to 115200 bps.
Serial port configurable as RS-232 and
RS-422, or RS-485
USB USB 2.0 device port (12 Mbps)
Parameter Specification
Temperature
Operating –30
o
C to +50
o
C (USA)
–20
o
C to +55
o
C (EU)
–40
o
C to +60
o
C absolute rating
Storage –40
o
C to +85
o
C
Environmental IP 66
Dimensions (H x W x D) 152 mm x 84 mm x72 mm
Weight 900 g
Power Supply Voltage +12VDC nominal
Power Consumption (Average) 120W/38W/300mW – Continuous Transmit/
Transmit with 30% duty cycle/Sleep
Housing/Color Aluminum / Two-tone JAVAD GNSS Green / Gray
Antenna Connector BNC, 50W