{
  "comments": {
    "old": "RVL-P-RK5E USZ, serial?"
  },
  "ring_codes": {
    "new": "E1010102\tRVL-RK5E-0A-0 USA\tS0 IFPI LL09 M1S4, M2S4",
    "old": "E10I0102\tRVL-RK5E-0A-0 USA\tS0 IFPI LL09 M1S4"
  },
  "serial": {
    "new": "RVL-P-RK5E-USZ",
    "old": "RVL-RK5E-USA-B0"
  }
}