Napco GEM-TRANS2 — two-point wireless window and door transmitter for Napco GEM-Series wireless systems.
With the supplied magnet it works as a contact on its own reed switch, and terminals let one or two normally-closed external contacts be used with it or instead. Each unit carries a unique factory-programmed six-digit hexadecimal code and checksum digit, printed on the battery holder and rear case and entered at the panel.
- Point 1 on terminals 1 and 2, point 2 on terminals 2 and 3
- Jumper J1 selects external contacts on both points (default), internal on point 1 with external on 2, or normally-open on point 2
- Normally-open mode needs the supplied 220 kΩ resistor
- Jumper J2 enables a holdoff timer, blocking retriggering for three minutes
- 3 V lithium battery, up to five years; Duracell DL123A or Varta/Power-One CR123A only
- Sends a low-battery report to the receiver
Napco lists it under UL file AMQV.S2576 as a household burglar alarm accessory, not a fire-signalling device. GEM-RTRANS shares that listing, and CSFM 7300-0992:0127 pairs it with the GEM-RECV8, -RECV16, -RECV96 and -RECVEXP8.
