The single-phase electric meter LE-2 3 manufactured by LenElectro with a communication module from NIIMA "Progress" is included in the Unified Register of Russian Radio-Electronic Products of the Ministry of Industry and Trade of Russia, entry No. 10697147.
The meter is equipped with a multi-tariff wireless communication module PR1603 based on the 4G LTE standard, developed by NIIMA "Progress" (part of the Element Group of Companies, MOEX:ELMT). It allows for electricity metering by time of day, recording active and reactive energy in single-phase networks, and transmitting data via GPRS, LTE, and Bluetooth.
The module receives signals from GLONASS, GPS, BeiDou, and Galileo, supports voice calls and SMS transmission, with an uplink speed of up to 5 Mbps and a downlink speed of 10 Mbps.
LE-2 3 meters are used as general building meters in apartment buildings and can be used in electricity consumption monitoring systems. The PR1603 module is also suitable for metering gas and water, security systems, routers, and automotive on-board devices.