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Last modified 2025-10-14

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Universal M-400

A picture of Universal M-400

SPECIFICATIONS

GENERAL
Type:Amateur multimode decoder
CPU:Zilog 86C93
System ROM:16 KB CMOS EPROM
2 KB EEPROM
System RAM:32 KB SRAM
Computer ports / Speed:None
Power supply:11-14 VDC
Current drain / power consumption:Max 200 mA
Dimensions (W*H*D):222*64*203 mm (8.75*2.5*8")
Weight:907 g (2 lb)
Other features: LCD display (2*20 charaters). 8 KB scrollable text buffer.
Printer connector.




RADIO COMM'S SECTION
Modes

(Depending on version):
Version 1
Baudot (RTTY)
SITOR A & B
FEC-A
ASCII
SWED-ARQ
FAX (Dot-matrix printer required)
ACARS
DTMF
CTCSS/PL
DCS
POCSAG
GOLAY

Version 2
Super POCSAG added

Version 3
POCSAG 2400 added
GPS / APRS functions:No
Mailbox:No
Radio ports: Speaker input: TS "Minijack" (3.5 mm)
Discriminator input: TS "Minijack" (3.5 mm)
Data rate over radio:45-2400 bd




MISCELLANEOUS
Manufactured:USA, 1993-1996 (Discontinued)
Additional info: New price, june 1993 in the US: $399.95
Related documents: User manual v2 (18.8 MB)
CPU: 86C93
EPROM: 27C128
EEPROM: 85C82
SRAM: uPD43256B
Modifications and fixes:
Reviews:Popular Communications: December 1996, page 62
Options / Accessories:
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A rear picture of Universal M-400