User manual

120 20131-301 Gemini G3 - User Manual
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6. Specifications
GENERAL
UHF 700MHz 800 MHz
FCC
403 - 512 Rx/Tx
1
IC
406 - 470 Rx/Tx
FCC (part 90)
796 - 803 TX
766 - 773 RX
FCC (part 27)
792 - 794 TX
762-764 RX
FCC
809 - 824 TX
854 - 869 Rx
IC
806 - 821 Tx
851 - 866 Rx
Frequency Range (MHz)
FCC Part 90
I.C. RSS-119
FCC Part 90, 27 FCC Part 90
I.C. RSS-119
Channel spacing
12.5 kHz / 25 kHz 50 kHz 25 kHz / NPSPAC
Frequency Control Digital Synthesizer / uController
Frequency Stability 1.0 ppm
Data Encryption AES 128-bit
Operating temperature -30°C to +60°C (25°C nominal) @ 95% non-cond. RH
Mode of Operation Half Duplex
Number of channels 32 internally stored, over-the-air programmable
Power Supply voltage 13.6Vdc nominal (negative ground)
10.9 – 16.3 VDC
Circuit Protection 15 Amp fuse external,
Internal crowbar diode for reverse polarity protection
RX Current at 13.6 VDC
< 750 mA Standby (with GPS receiver)
TX Current at 13.6 VDC < 12 A
TX/RX separation any, 5 MHz typical 30 MHz typical 45 MHz typical
Size 6.0” W x 2.0” H x 7.1” D
Weight: < 4.5 lbs.
RF input/output Impedance 50 ohms nominal
Antenna Connector
1 primary female Tx/Rx, 1 auxiliary female Rx
GPS Connector SMA
User Interface Ethernet RJ45 Auto-MDIX 10-100/T with LED status indicators
Dual RS-232 DE-9F Serial Ports configured as Terminal Servers
USB Port (future use)
MODEM / NETWORK
Forward Error Correction
Hypercode
Addressability
Native TCP/IP
Encryption
AES 128-bit
Protocols
Dataradio E-DBA with OOB AAVL support
Ethernet IEEE 802.3 (ICMP, IGMP, TCP, UDP)
IP Fragmentation Address Resolution Protocol (ARP)
IP directed broadcast, IP Limited broadcast, IP Multicast relay DHCP client and server
Dynamic Routing (RIPv2), Network Address Translation (NAT)
Data Rate 64, 48, 43.2 or 32 kbps /
32, 24, or 16 kbps
128, 96, or 64 kbps 64, 48, 43.2 or 32 kbps /
32, 24, or 16 kbps
1
WARNING: The frequency band 406 to 406.1 MHz is reserved for use by distress beacons and should not be pro-
grammed into the unit.