Radio Transceiver
Data Rates: 4800/9600 @ 12.5 KHz
9600/19200 @ 25 KHz
Frequency Range: UHF 470 to 510 MHz
UHF 435 to 470 Mhz
UHF 395 to 430 MHz
UHF 360 TO 390 Mhz
UHF 330 to 350 MHz
VHF 140 to 174 MHz
VHF 66 to 88 MHz
Other bands available on request
Operation Modes: Half duplex, Simplex
Modulation: 4 LFSK
Forward Error Correction: Yes, interleaving functionality
Collision Avoidance: Yes, configurable
Repeating: PDR 121 - Multi-repeating, up to 6 repeaters on one link
No. of Remote Radios/Master: PDR 121 - 99
Encryption: 128-bit key XTEA cypher 32 character encryption key (PDR 121 only)
Radio Transmitter
Tx Power: 10 mW to 5.0 W adjustable
Radio Receiver
Sensitivity: -110 to -118 dBm @ BER CCRR: (Co-Channel Rejection Ratio) Better than -8 dB
Radio Diagnostics
PDR 121: Software package Radius RND 100 gives RSSI, temperature etc.
Power Supply
Operating voltage: 12 VDC. Input voltage range 10.8 - 15.6
Environmental
Temperature Operating Range: -25˚C to +75˚C (-13˚F to +167˚F)
Physical Dimensions
Size PDR 121: H40 x W193 x D115 mm
H1.6 x W7.6 x D4.5 inch
Weight: 800 g (1.76 lb)
Housing Material: Aluminium
Connectors
Main Power Supply: 2 pole, female
Battery Supply: 2 pole, female
Electric Current Requirement: 2000 mA at 2W Tx
2500 mA at 5W Tx
Antenna: BNC, female
Serial Ports: 2 x RS232 DB9 female, wired as DCE
Data Rates 600 to 57600 bps
Flow Control RTS/CTS, DCD selectable
Ethernet Port: TCP/IP, UDP/IP, SNMP
Configuration: via RS232 port
Indications (LED)
LED Indicators: Main PWR, Radio Rx, Radio Tx, RS232 Rx RS232 Tx, Configuration Mode, Carrier Detect, System Detect
Protocols
PDR 121: DNP3, IEC870, RP570, COMLI, Modbus, Cooper/PG&E 2179, Telegyr 8979, DCSI, Hunt, Exoline, Cactus, PRIP, Aquacom. Other protocols are available upon request.
