| BRAND | Elster |
| Product | AM 122 |
| Description | AM 122 communication module |
| Internal code | IMP4227841 |
| Technical specification | Can be used for the AS3000. Replaceable module in the meter latch cover. WAN Communication - Quad-band GSM/GPRS (2G) - Protocol EN62056-21, transparent - E-counter register readout - Tarification control - Time synchronization - External GSM antenna connection |
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