All Jerrold/General Instruments 450D, 400D, JSM, JSX, DRX, DRZ, DP5, DPV5, DP7, DPV7, DPBB, CFT-20xx thru CFT-22xx (without SP in the model #). Call us if you have /SP in the model number or if you have a CFT-2254 model. Does not work on model DCT (digital cable).
All Scientific Atlanta 8500, 8535, 8536, 8550, 8555, 8570, 8580, 8590, 8600, 8600X, 8610, 8610x*. (Will not work with 8610x with rapid random inversion. Call us if you have this model number.) Does not work on Explorer models (digital cable).
All Zenith ST's, HT's, SSAVI and MM2500's even with random inversion! Fully Automatic! Does not work on models PD, PM or PZ.
All Tocom/General Instruments 5503, 5503 VIP, 5503 VIP-A, 5507, 5507 VIP. Does not work on 5508W.
All Pioneer BA-5000 thru 6110, BA-6300 and up. Will not work on the 9000 series.
All Oak except Sigma Series.
All Hamlin, All Eagle, All Sprucer.
Does not work as a replacement for Digital Cable Boxes!