General
Broad supply voltage range operation
Low current requirement.
Dual port 1200/9600 bps operation, standard
Port 1 supports 1200 bps
Port 2 supports 4800, 9600, 19200, 38400 bps with GMSK/DFSK modulation
"NEWUSER" mode provides a quick start for packet newcomers
Digital audio drive control -- set from keyboard or by remote control
Large capacity internal mailbox and mail forwarding feature
Multiple user mailbox flashes Mail led for up to 10 call signs
GPS operation mode allows use with APRS® or other geolocation software (when paired with NMEA-0183 compatible GPS receiver)
Telemetry functions with two A/D inputs, and Remote Control switching with two control line outputs
512, 1200, and 2400 baud POCSAG paging transmit/receive capability
Faster 9S12XE 16 bit microprocessor
Node and Network node functions standard "KA" Node and K-Netâ„¢
AX.25, Packet, BBS, KISS, XKISS, HOST, TERMINAL, GPS, MODEM (and dumb-modem) LSUB, TUP, POLL, operating modes
Easily upgradeable flash based bios/firmware
"Online" HELP feature
512K memory standard
Includes coaxial power plug and flash drive with manual files (USB version also includes USB cable)
Use with base, mobile or hand-held radios
General
Dimensions (H×W×D)
0.8"×6.7"×6.9" (21 mm × 170 mm × 175 mm) without projections
Weight
18 oz (0.5 kg) (approx.)
Power Requirements
DC 6 V to 25 V, < 45 mA (LEDs on, unit active)
External Power Connector
5mm OD, 2.1mm ID coaxial, center pin positive
External Signal Ports
DB-9 female (radio port 1) DB-15 female (radio port 2) USB type B or 25 pin RS232 (Computer)
Watchdog Timer Period
2.5 minutes (radio port 1), 40 seconds (radio port 2) (approx)
External Carrier Detect
Pulldown to ground
Analog Measurement Inputs (A/D Converter)
Two inputs; 0 V to +5 V, 12-bit accuracy, ZIN= 20 kOhm
PTT Output
Open drain, max +50 V dc, 200 mA max
Data Rate
(radio port 1) 1200 bps (default); 300, 400, 600
(radio port 2) 4800, 9600, 19200, 38400 bps
Modulation
(radio port 1) 1200 bps FSK full duplex, Bell-202 1200Hz/2200Hz
(radio port 2) Gaussian Filtered DFSK with normal Bandwidths of 0.3, 0.5 or full
Audio Output Level
(radio port 1) Continuously adjustable from 1 mV p-p to 4 V p-p
(radio port 2) 2 mV p-p ~ 100 mV p-p (J 20 off) 80 mV p-p ~ 4 V p-p (J 20 on)
Output Impedance
(radio port 1) 600 Ohm, AC coupled
(radio port 2) 600 Ohm, AC or DC coupled
Audio Input Sensitivity
(radio port 1) 5 mV p-p
(radio port 2) lo: 15 mV ~ 200 mv p-p (J 16 on) hi: 80 mV ~ 2.0 V p-p
Input Dynamic Range
(radio port 1) > 70 dB
(radio port 2) >20 dB (either range)
Input Impedance
(radio port 1) Unbalanced, 10 kOhm (600 Ohm with jumper J 3 installed)
(radio port 2) Unbalanced, 10 kOhm (600 Ohm with jumper J 3 installed)
Max Audio Input Voltage
(radio port 1) ±12 V dc; 35 V p-p sinusoidal
(radio port 2) ±25 V dc; 25 V p-p sinusoidal
Equalization
(radio port 1) Unbalanced, 10 kOhm (600 Ohm with jumper J 3 installed)
(radio port 2) Variable, Software controlled
Operating Modes
AX.25 Packet, BBS, KISS, XKISS, HOST, GPS, PAGING, MODEM (and dumb-modem), LSUB, TUP, POLL
LED Indicators
Power, Xmit, Rcv, Connected, Status, Mail
Remote Control Access
All controller functions, user-defined password
Operating Protocols
AX.25 Levels 1 and 2 (user-selectable), KISS (software defined)