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Product at a glance

Smart and reliable AMR

ECD 310 is a modem for data transfer between an electronicenergy meter and a central station over the GSM / GPRScommunications network. Working in conjunction with basecomputer software (BCS) it provides a cost-effective solution forremote automatic meter reading (AMR). It is designed for fitting under the meter's terminal cover,providing a neat, tamper-resistant installation.


  • GSM/GPRS-based remote meter reading (RMR) systems
  • Outstation modem, connected at the meter end
  • HV or LV metering installations


  • Easy installation under the meter's terminal cover
  • No need for external power supply input
  • Tamper-resistant installation under utility sealed cover


  • Meter-powered GSM/ GPRS modem
  • Meter connectivity through serial RS-232 communication port
  • Status LEDs
  • SIM card provision
  • Engineering plastic enclosure
  • Compact size: fits under the meter's terminal cover


Power supply input Powered from RS-232 port of meter
RJ-45 variants: 3.7 V @ 600 mA
Antenna Stub antenna (3dBi)
Operating frequency Dual-Band EGSM / GPRS 900 / GSM 1800MHz
ETSI GSM Phase 2+ Standard Class 4: 2W @ 900 MHZ
Class 1: 1W @1800 MHZ
GPRS multi-slot class Class 10
Dimensions (W x H x D) 58 x 75 x 37 mm (approx.)
Weight 0.1 kg (approx.)
Sealing Two sealable terminals on the cover
Connectors SMA for antenna connection (with flying lead)
RJ-45 for connection to meter
(RS-232 port on modem)
SIM card* Externally accessible
Sliding tray type (with sealing arrangement)
3 V interface
Temperature -10 C to +55 C (operating)
Humidity 95% non-condensing