PRDRFM007C-PROT High Power Radio Frequency Module 90620001 brand new in box
The PRDRFM007C from Protagd is an alternative to the corresponding Radio modules from Texas Instruments. Same mounting hole patterns and size. 134.2KHz charge burst frequency. 123.2KHz / 134.2KHz FSK reception frequency. 6-toggle switch tuning box can be used for tuning. Same option jumpers are available. Wider tuning range: 16.5µH to over 120µH in 1024 steps (6 + 4 jumpers).
Better binary-weighted tuning with 75pF steps. Antenna connector now accepts both spade lugs and bare wires.
Failure-prone slide switches have been replaced by gold jumpers.