snapper is served on Traccar TCP 5256. SnapperProtocolDecoder @ 5256: msgs MSG_HELLO=0x01, MSG_SENDING_START=0x02, MSG_SENDING_FINISH=0x03 · hex 0x00, 0x01, 0x02, 0x03, 0x21 · snip:ByteBuf · literals License/ddMMyyHHmmss/interiorTemp/\\./la
Message constants: MSG_HELLO=0x01, MSG_SENDING_START=0x02, MSG_SENDING_FINISH=0x03, MSG_SEND_EVENTS=0x21.
Hex constants: 0x00, 0x01, 0x02, 0x03, 0x21, 0x23.
Differentiation
Not smokey@5125 / solarpowered@5201 — snapper is only on 5256 with: msgs MSG_HELLO=0x01, MSG_SENDING_START=0x02, MSG_SENDING_FINISH=0x03 · hex 0x00, 0x01, 0x02, 0.
Catalogue stance
Stock Traccar reference only. Traxelio lists snapper as positions_only.