sorry Jimmy..something is a miss with those #'s on voltage..your system is showing #'s below said operastion voltage
Specifications Feature
MYLAPS RC4 Hybrid Transponder
Size (W x L x H) 16 x 19 x 6 mm
Weight 4.7 g (including holder)
Operating voltage 2.8 - 16.0 V
Power consumption *) 19 mA
Wire isolation PTFE / Teflon **)
Quick change holder Yes
Connector Generic receiver 3-pole
so if your system is correct then the entire RX in said car-truk is at 2.1-2.5v..so those cars will lose signal with transmitter ..just is puzzling to me..#'s are not Right ..something is way OFF...