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BIDIRECTIONAL LEVEL ITW
USER MANUAL
17
6. GENERAL SPECIFICATIONS FOR THE BIDIRECTIONAL
LEVEL ITW RANGE
GENERAL
Working range: between -15% till +20% of nominal voltage.
Working temperature: between -20ºC and +60ºC.
Working humidity maximum 85%
Presentation: polyamide box with 30% fiberglass
Protection IP 65 (250*195*100mm)
Connection outputs: through compression glands placed at the lower of
box.
Antenna output: through N female connector chassis placed at the
lower of box
Frequency band of use: 406 MHz & 411 MHz ó 869 MHz
Channelling: 25 KHz or 12.5 KHz.
Communication: bidirectional to a single frequency.
Power: from 0.2W till 2W, depending of the band
Harmonic Attenuation: best than 70 dB.
Non- essential emissions: in spectrum up to 1000 MHz, minus of 2Nw
Frequency Stability: better than 2Khz (-20ºC to +60ºC)
Frequency control: synthesized transmitter
Reception system synthesized receiver.
Sensibility: -123 dBm at 1.2 kbps.
Adjacent channel selectivity: 64 dB. At 12,5 Khz offset
Lockout performance: 91 dB at 10 MHz
Phase noise: –111 dBc/Hz at 10-kHz Offset
Coding 2-GFSK
Transmission speed: between 1200 & 9600 Baud.
Antennas from 0 dB at 12 dB of gain, depending on the link