Legacy Products
Kantronics no longer offers the following products for sale. For your convenience, we have listed here some information pertinent to selecting the closest current replacement product. Check our Docs and Downloads Page for any available documentation.
![]() | Hardware | Firmware | Software | ![]() |
Hardware
| Product | Notes | Closest Replacement |
|---|---|---|
| FC-2000, FC-2500, FC-3000, TG-1000 | Discontinued September 2006.
Support is still available for these paging infrastructure products. Contact our service department for more information. | None |
| KAM-98 | Discontinued March 2005. | KAM-XL |
| The following products are no longer supported by Kantronics. Manuals, schematics, and port pin-out information are no longer available for these units. | ||
| KAM+ | Discontinued 1998. KAM-series firmware versions 6.1 thru 8.2 | KAM-XL |
| KPC-9612 (non-plus) | Discontinued 1996. KPC-9612 firmware versions 5.2 thru 8.2 or optional K-NET versions 5.1 thru 8.2 | KPC-9612+ |
| KPC-4 | KPC-4 firmware versions 2.0 thru 5.1 | KAM-XL |
| KPC-3 (non-plus) | Discontinued 1996. KPC-3/3+ series firmware versions 5.0 thru 8.2, or optional K-NET versions 5.1 thru 8.2 | KPC-3+ |
| KPC-2 | KPC-2/KPC-2400 firmware versions 2.3 thru 5.0 | KPC-3+ |
| KPC-1 | KPC-1 firmware versions 1.0 thru 5.0 | KPC-3+ |
| KAM w/Enhancement Board | KAM-series firmware versions 6.1 thru 8.2. | KAM-XL |
| KAM | KAM-series firmware versions 2.0 thru 6.1 | KAM-XL |
| Data Engine | Current products do not support 2400 baud. Data Engine Firmware versions 1.0 thru 2.0 | For 1200 or 9600 baud: KPC-3+, KPC-9612+, or KAM-XL, depending on Data Engine configuration |
| KPC-2400 | Current products do not support 2400 baud. KPC-2/KPC-2400 firmware versions 2.3 thru 5.0 | For 1200 baud only - KPC-3+ |
| RFConcepts Amplifiers | Amplifier product line was sold in 1998 | -none- |
| KTU | Telemetry datalogger KTU firmware versions | -none- |
| DVR 2-2, D4-10 | Data/Voice Radio | -none- |
| Datotek | OEM product | -none- |
| VHF-1200 | Commercial | -none- |
| Challenger, The Interface II, The Interface, Mini Reader, Field Day II, Field Day | All were recieve-only devices. | KAM-XL |
| Verifilter, Signal Enforcer Audio Filter | -none- | |
Firmware Versions
Note: Firmware listed below is organized by product functionality. Due to hardware differences, products within a group may require different firmware chips, even though they share the features implemented and version number.
Software
| Product/Version | Notes |
|---|---|
| DataEngineer | Replaced by HostMaster |
| HostMaster | HostMode communications program. Replaced by HostMaster v2.0 |
| HostMaster v2.0 | Replaced by HostMaster II+ |
| HostMaster II+ v3.0 | (could have been updated to v3.1 or 3.2) |
| HostMaster II+ v3.1 | (could have been updated to v3.2) |
| HostMaster II+ v3.2 | Provided Pactor/G-TOR support (could have been updated to v3.4) |
| HostMaster II+ v3.3 | Update provided on TNC disk (updates v3.2 to v3.3 only) |
| HostMaster II+ v3.4 | Last version produced |
Note: The HostMaster software requires an IBM PC compatible running DOS 2.1 or higher, with 512K or higher RAM, serial port, monitor, keyboard, and 3.5" disk drive. It also requires a Kantronics TNC with firmware versions listed below for the associated features:
| Feature/Capability | TNC Version Requirements |
|---|---|
| Minimum functionality (Host Mode) | KAM v5.0 or higher
Any KAM+ or KAM w/Enhancement Board KPC series v5.0 or higher Data Engine v2.0 |
| PACTOR | KAM v6.1, KAM w/Enhancement Board (any), KAM+ (any) |
| G-TOR | KAM w/Enhancement Board v7.0, KAM+ v7.0 or higher |
| TOR STANDBY | KAM w/Enhancement Board v7.1 or higher, KAM+ v7.1 or higher |


