Landis+Gyr ULTRAHEAT T450 Technical Description page 23

Communication
General notes
Standard
Radio mode
Sending frequency with T1
/ C1
Transmission power
(ERPg)
Sending interval
Encryption
Range
Free field
Within building
Power supply
Via meter
Battery life
Radio mobile (30 sec.)
Radio stationary (15 min.)
1)
Open Metering System
*) May vary depending on terrain and building structure.
**) Meter in standard configuration, data telegram F000 respectively F001, T1, frame
format A, encryption mode 7, 4x AA cells.
Open Metering System Specification Vol.2 Is-
sue 4.1.2: 2016
EN 13757-3:2018; EN 13757-4:2019
T1 or C1
868.95 MHz (min. 868,928 MHz up to max.
868.972 MHz)
Min. 3.16 mW (5 dBm) to max. 25 mW
(13.9 dBm)
6 sec. – 24 h configurable
Without, safety profile A (encryption mode 5)
or safety profile B (encryption mode 7)
Up to max. 400 m
E. g. horizontal 30 Meter
1 – 4 battery type AA
16 years life span**)
20 years life span**)
23/36