| GENERAL | 
| Type: | Amateur multi-mode data controller and TNC | 
| CPU: | ? | 
| System ROM: | 1 MB (EPROM) | 
| System RAM: | 32 KB, expandable to 128 or 512 KB | 
| Computer ports / Speed: | TTL and RS-232C / 300, 1200, 2400, 9600 and 19200 bd | 
| Power supply: | 12 VDC | 
| Current drain / power consumption: | Less than 500 mA | 
| Dimensions (W*H*D): | ? mm (?") | 
| Weight: | ? Kg (? lb) | 
| Other features: | 30 LED tuning indicator. Parallel printer port (DB25). | 
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| RADIO COMM'S SECTION | 
| Modes 
 (Depending on firmware and
 installed hardware options):
 | Packet AMTOR
 PACTOR
 RTTY
 ASCII
 CW
 NavTex
 WeFax
 SSTV (Robot, Martin and Scottie modes)
 A CW memory keyer mode is also included
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| GPS / APRS functions: | No | 
| Mailbox: | 32 KB, expandable to 128 or 512 KB | 
| Radio ports: | 2 | 
| Data rate over radio: | 45-1200 bd (2400 or 9600 bd option) | 
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| MISCELLANEOUS | 
| Manufactured: | China, 199x-199x (Discontinued) | 
| Additional info: | New price, may 1994 in the US: $299.95 | 
| Related documents: | Fast start manual (2.3 MB) | 
| Modifications and fixes: |  | 
| Reviews: |  | 
| Options / Accessories: | 
| MFJ-43 MFJ-45B
 MFJ-45C
 MFJ-2400
 MFJ-9600
 | Real-time clock module 128K mailbox RAM IC
 512K mailbox RAM IC
 2400 baud unit
 9600 baud unit
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