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Comparison of the different PTC-II modems

PACTOR-II, PACTOR-I, AMTOR, NAVTEX, AMTEX, RTTY, PSK31, CW, SSTV, FAX are common modes to all PTC-II models!

Feature PTC-IInet PTC-IIusb PTC-IIex PTC-IIpro PTC-IIe PTC-II
Interface Ethernet USB Serial Serial Serial Serial
PACTOR-III yes yes
(optional)
yes
(optional)
yes
(optional)
yes
(optional)
yes
(optional)
PACTOR-III Listen yes yes yes yes no no
Audio Filter yes yes yes yes yes yes
Built in
audio amplifier
no no no yes no no
600 Baud
Robust HF Packet
yes yes yes DSP module 2 no DSP module 2
PR 300 yes yes yes DSP module 2 yes DSP module 2
PR 1k2 yes yes yes DSP module 2 yes DSP module 2
PR 9k6 yes yes yes DSP module 2 yes DSP module 2
PR 19k2 yes yes yes DSP module 2 no DSP module 2
TRX Control TTL and V24 TTL and V24 no TTL and V24 no TTL
PACTOR-PR Gateway no no no yes no yes
Mailbox no yes yes yes yes yes
Multiport no no no yes no yes
RAM 2 MB 2 MB 2 MB 2 MB 512 kB up to 2 MB
LED
matrix display
no no no yes no yes
Tuning display dual color dual color red dual color red dual color
TCXO yes yes yes yes no no
Silicon
serial number
yes yes yes yes no - until 12/2001
yes - from 01/2002
no
DSP DSP56303
100 MHz
DSP56303
100 MHz
DSP56303
100 MHz
DSP56303
100 MHz
DSP56156
60 MHz
DSP56156
60 MHz