Description
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t and its contents are the property of CASSIDIAN
nd must not be copied or circul
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2.3.3
Technical specifications
• Frequency band: sub-bands between 380 and 512 MHz (depending on the projects)
• Access mode: FDMA
• Standard: TETRAPOL
• Transmission mode: full duplex in 2 bands with a maximum width of 5 MHz for a duplex
spacing of 10 MHz
• Duplex spacing (transmission frequency - reception frequency): 10 MHz
• Gap (space between channels): 10 kHz or 12.5 kHz (depending on the projects)
• Maximum number of usable channels:
500 with a gap of 10 kHz
400 with a gap of 12.5 kHz
• Number of channels used: 1
• RF antenna power output: adjustable to 1.5 W, 4 W, 10 W or 15 W
• Sensitivity on reception: - 120 dBm typical
2.3.4
External interface characteristics
2.3.4.1
Power supply inputs
• Mains: 100-240 V AC, 50-60 Hz
• DC source: 12-24 V DC
The operation of the IDR IDO 3G is guaranteed from 10.8 V to 31.2 V.
The primary DC/DC convertor has a disconnection and reset mechanism for voltage
lower than 10.8 V (voltage measured on the convertor input).
2.3.4.2
Antenna output
• N type socket
• Impedance: 50
Ω
