© Microhard Systems Inc. 11
1.0 Overview
1.2 IPn3G / IPn3Gb
Specifications (Continued)
Ethernet: 10/100 BaseT, Auto - MDI/X, IEEE 802.3
SIM Card: 1.8 / 3.0V
PPP Characteristics: Dial on Demand
Idle Time
Network Protocols: TCP, UDP, TCP/IP, TFTP, ARP, ICMP, DHCP, HTTP, HTTPS*, SSH*, SNMP,
FTP, DNS, Serial over IP, QoS
Management: Local Serial Console, Telnet, WebUI, SNMP, FTP &
Wireless Upgrade, RADIUS authentication, IPsec VLAN
Diagnostics: Temperature, RSSI, remote diagnostics
Input Voltage: 7-30 VDC
Power over Ethernet: Passive PoE on Ethernet Port (Units shipped after March 1, 2013)
GPS: Sensitivity: - Autonomous acquisition: -145 dBm
- Tracking Sensitivity: -158 dBm (50% valid fixes)
Position Accuracy: - Tracking L1, CA code
- 12 Channels
- Max. update rate 1 Hz
Error calculated location less than 11.6 meters 67% of the time, and
less than 24.2 meters 95% of the time.
Environmental
Operation Temperature: -40
o
F(-40
o
C) to 185
o
F(85
o
C)
Humidity: 5% to 95% non-condensing
Mechanical
Dimensions: 2.21” (56mm) X 3.85” (97mm) X 1.46” (37mm)
Weight: Approx. 245 grams
Connectors: Antenna(s): Main TX/RX: SMA Female
Diversity: SMA Female
GPS: SMA Female
Data, etc: Data: DE-9 Female
Ethernet : RJ-45
GPS Antenna Requirements:
- Frequency Range: 1575.42 MHz (GPS L1 Band)
- Bandwidth: +/- 2 MHz
- Total NF < 2.5dB
- Impedance 50ohm
- Amplification (Gain applied to RF connector): 19dB to 23dB
- Supply voltage 1.5V to 3.05V
- Current consumption - Typical 20mA (100mA max)
- Cellular Power Antenna Rejection + Isolation:
- 824 - 915 MHz > 10dB
- 1710 - 1785 MHz > 19dB
- 1850 - 1980 MHz > 23dB
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