| GENERAL | 
| Type: | Amateur multi-mode data controller and TNC | 
| CPU: | ? | 
| System ROM: | ? KB | 
| System RAM: | 32 KB, expandable to 128 or 512 KB | 
| Computer ports / Speed: | TTL and RS-232C serial interface / 4800 and 9600 bd | 
| Power supply: | 12 VDC | 
| Current drain / power consumption: | Less than 500 mA | 
| Dimensions (W*H*D): | ? mm (?") | 
| Weight: | ? Kg (? lb) | 
| Other features: | 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
 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: | 45-2400 bd (9600 bd option) | 
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| MISCELLANEOUS | 
| Manufactured: | 199x-199x (Discontinued) | 
| Additional info: | This is a 1278B with the 2400 bd option installed from factory. | 
| Related documents: | Fast start manual (2.3 MB) | 
| Modifications and fixes: |  | 
| Reviews: |  | 
| Options / Accessories: | 
| MFJ-43 MFJ-9600
 | Real-time clock module 9600 baud unit
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