| No. | Part Name | Description |
|---|
| 251 | FX407A/FX507A/FX407S/FX507S/FX607N | 5-Tone Sequential Code Transceiver |
| 252 | FX409L | Obsolete product-for information only |
| 253 | FX409LV1 | Obsolete product-for information only |
| 254 | FX419J | SINGLE CHIP CMOS LSI CIRCUIT |
| 255 | FX419LG | SINGLE CHIP CMOS LSI CIRCUIT |
| 256 | FX419LGLH | SINGLE CHIP CMOS LSI CIRCUIT |
| 257 | FX419LH | SINGLE CHIP CMOS LSI CIRCUIT |
| 258 | FX429A | FFSK Modem |
| 259 | FX429AJ4 | 1200/2400 Baud FFSK modem for trunked radio system |
| 260 | FX429AL1 | 1200/2400 Baud FFSK modem for trunked radio system |
| 261 | FX429AL2 | 1200/2400 Baud FFSK modem for trunked radio system |
| 262 | FX429J | Band III FFSK modem for trunked radio system |
| 263 | FX429LG | Band III FFSK modem for trunked radio system |
| 264 | FX429LS | Band III FFSK modem for trunked radio system |
| 265 | FX439DW | FFSK modem |
| 266 | FX439J | FFSK modem |
| 267 | FX439LQ | FFSK modem |
| 268 | FX465 | Extended-Code CTCSS Encoder/Decoder |
| 269 | FX465D5 | Extended code CTCSS encoder/decoder |
| 270 | FX469DW | 1200/2400/4800 baud FFSK modem |
| 271 | FX469J | 1200/2400/4800 baud FFSK modem |
| 272 | FX469LG | 1200/2400/4800 baud FFSK modem |
| 273 | FX469LS | 1200/2400/4800 baud FFSK modem |
| 274 | FX469PG | 1200/2400/4800 baud FFSK modem |
| 275 | FX489DW | GMSK modem |
| 276 | FX489P | GMSK modem |
| 277 | FX501/FX601 | Tone Operated Bistable and Monostable Switches |
| 278 | FX503A | QTC Tone Encoder |
| 279 | FX503C, | E, Z, and ZS Programmable Tone Generator |
| 280 | FX506 | PMR Audio Processor |
| 281 | FX506LG | Mobile radio audio processor |
| 282 | FX506LS | Mobile radio audio processor |
| 283 | FX506P | Mobile radio audio processor |
| 284 | FX529 | FFSK Modem |
| 285 | FX529J | FFSK modem for trunked radio system |
| 286 | FX529LG | FFSK modem for trunked radio system |
| 287 | FX529LS | FFSK modem for trunked radio system |
| 288 | FX579 | Half Duplex GMSK Modem |
| 289 | FX589D5 | MLow-voltage/high-speed GMSK modem |
| 290 | FX589P | MLow-voltage/high-speed GMSK modem |
| 291 | FX601A | Tone Operated Monostable Timer |
| 292 | FX602 | Calling Line Identifier - plus Call Waiting |
| 293 | FX602D4 | Calling line identifier |
| 294 | FX602P3 | Calling line identifier |
| 295 | FX604 | CCITT V23 Compatible FSK Modem |
| 296 | FX604D4 | V23 compatible modem |
| 297 | FX604P3 | V23 compatible modem |
| 298 | FX609 | CVSD Codec |
| 299 | FX609J | Continuously variable slope delta modulation codec |
| 300 | FX609L2 | Continuously variable slope delta modulation codec |
| | |
