Products

Wireless m-bus repeater battery-powered (obsolete, new version available)

Wireless m-bus repeater

Wireless m-bus repeaters are intended to re-transmit data from wireless m-bus meters or sensors. This is often needed inside or outside big buildings, where meters are with wireless m-bus. Since wireless m-bus is on 868MHz frequency it is dependant on distance and obstacles. Usually around 300 meters direct view are not a problem, but building materials and sensors/meters position are also very important. In order to use only one main collecting concentrator in bigger buildings user must use signal repetitors. Since sometimes is not possible to use external power supply we offer battery powered repeaters. That is what our repeater do - re-transmit with full power possible meters that are in range. It can hold up to 250 ID's for re-transmission. Battery powered repeaters should be set more carefully and set up is in direct relation with battery life. Our repeaters works in modes T, S and C and are set with wireless m-bus device (like WMR-IoT) and our service software.

user manual


Technical specifications

RF band 868 MHz - 870 MHz
wireless m-bus modes T, S or C
maximum devices allowed up to 250
power supply replaceable, non-chargeable batteries (4x1.5V, type D)
power consumption @ 3.0 Vdc < 0.01W
display 1 led (on/RF
work temperature from -20° C to +50° C
storage temperature from -50° C to +85° C
humidity 40 ÷ 90 %
dimensions (HxWxD), mm 168/119/60mm
protection class IP65
own weight 0.9kg (with batteries)

Normal mode of operation

If set in automatic mode - after power up repeater starts to collect data from wireless m-bus meters in range and to activate them in non-volatile memory. It can memorize up to 250 devices. If not in automatic 'search and activate' mode then user should program the device, using wireless m-bus reader like WMR-IoT.

Repeater works in 'receive' mode for some pre-defined time - by default 2 hours. During other time of the day repeater stays only in transmit mode and sends all captured telegrams continously. This is needed to preserve battery for longer period and there is direct relation between 'collecting' hours and battery lifetime.

Settings is made with our software, through wireless m-bus reader like WMR-IoT. Batteries are replaceable, non-chargeable type - 4 batteries, size D.

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