Dimensions: mm Recommended Land Pattern: mm 24,0 22,0 1,5 12 1 23 13 2,0 1,0 22,0 1,0 2,0 4,0 24,0 Scale - 2:1 27,0 0,4 Product Specific Pinning: 23 13 12 1 Scale - 2:1 Scale - 2:1 CHECKED REVISION DATE (YYYY-MM-DD) GENERAL TOLERANCE PROJECTION METHOD GE 001.031 2019-07-18 DIN ISO 2768-1m DESCRIPTION WIRL-WMB8 Radio module Wrth Elektronik eiSos GmbH & Co. KG ORDER CODE EMC & Inductive Solutions 868MHz wMBus Max-Eyth-Str. 1 2605041183000 74638 Waldenburg Germany BUSINESS UNIT STATUS PAGE Tel. +49 (0) 79 42 945 - 0 www.we-online.com eiSmart Valid 1/6 eiSos we-online.com This electronic component has been designed and developed for usage in general electronic equipment only. This product is not authorized for use in equipment where a higher safety standard and reliability standard is especially required or where a failure of the product is reasonably expected to cause severe personal injury or death, unless the parties have executed an agreement specifically governing such use. Moreover Wrth Elektronik eiSos GmbH & Co KG products are neither designed nor intended for use in areas such as military, aerospace, aviation, nuclear control, submarine, transportation (automotive control, train control, ship control), transportation signal, disaster prevention, medical, public information network etc.. Wrth Elektronik eiSos GmbH & Co KG must be informed about the intent of such usage before the design-in stage. In addition, sufficient reliability evaluation checks for safety must be performed on every electronic component which is used in electrical circuits that require high safety and reliability functions or performance. 17,0 0,4 1,5 14,0 3,6 0,2 Antenna GND GND VCC RESERVED TX IND UTXD URXD RX IND /RTS /RESET /CTS RESERVED /DATA IND TEST RESERVED MOD SEL3 MOD SEL2 RESERVED MOD SEL1 RESERVED MOD SEL0 RESERVED 2,0 18,0General Properties: RF-Electrical Properties: Properties Test conditions Value Unit Properties Test conditions Value Unit Frequency min. f VDD,typ,TAMB = 25 C, RH = 60 % 868.3 MHz Communication Protocol/ min. RF wireless M-Bus, EN13757-4, OMS Standard prot Frequency max. f VDD,typ,TAMB = 25 C, RH = 60 % 869.525 MHz max. Microcontroller C MSP430 Line of Sight Range Two-ray ground-reflection model 700 m Radio Chipset RF-IC TI - CC1101 Line of Sight Conditions: Antenna 2 m Height Memory Size (Flash) 32768 B Memory Size (RAM) 1024 B RF Bitrate max. R latest FW revision 100 kbps b, max. Radio channel min. wM-BUS STC Supply Current Transmitting I VDD,typ,TAMB = 25 C, RH = 60 % 38 mA TX Radio channel max. wM-BUS STC Supply Current Receiving I VDD,typ,TAMB = 25 C, RH = 60 % 24 mA RX Interface 1 IO UART Output Power 50 Ohm P TAMB = 25 C, RH = 60 % 11 dBm 1 O 50 Interface 1 Bitrate Range IO latest FW revision 115.2 kbps RX sensitivity max. Rx 50 -103 dBm 1 Bitrate sens. Number of I/O Ports IO latest FW revision 6 RX sensitivity Condition Bitrate Rx latest FW revision 16.384 kbps Ports sens, kbps Electrical Properties: Product Specific Pinning: Properties Test conditions Value Unit Pin Pad Description I/O Operating Supply Voltage Min. V TAMB = 25 C, RH = 60 % 2.2 V ANTENNA 1 External antenna connection -- DD min. Operating Supply Voltage Max. V TAMB = 25 C, RH = 60 % 3.6 V GND 2 Negative supply voltage Supply DD max. Recommended Supply Voltage V TAMB = 25 C, RH = 60 % 3.3 V VCC 3 Positive supply voltage Supply DD typ. Supply Current Sleep I VDD,typ,TAMB = 25 C, RH = 60 % 0.3 A UTXD 4 UART transmit Output sleep URXD 5 UART receive Input Additional General Information: /RTS 6 Ready to send signal Output /CTS 7 Clear to send signal Input Ambient Temperature (referring -30 up to +85 C to I ) /DATA IND 8 see manual for more details Output R Operating Temperature -30 up to +85 C RESERVED 9 see manual for more details -- RESERVED 10 see manual for more details -- Storage Conditions (in original < 40 C < 90 % RH packaging) RESERVED 11 see manual for more details -- RESERVED 12 see manual for more details -- MOD SEL0 13 see manual for more details Input MOD SEL1 14 see manual for more details Input CHECKED REVISION DATE (YYYY-MM-DD) GENERAL TOLERANCE PROJECTION METHOD GE 001.031 2019-07-18 DIN ISO 2768-1m DESCRIPTION WIRL-WMB8 Radio module Wrth Elektronik eiSos GmbH & Co. KG ORDER CODE EMC & Inductive Solutions 868MHz wMBus Max-Eyth-Str. 1 2605041183000 74638 Waldenburg Germany BUSINESS UNIT STATUS PAGE Tel. +49 (0) 79 42 945 - 0 www.we-online.com eiSmart Valid 2/6 eiSos we-online.com This electronic component has been designed and developed for usage in general electronic equipment only. This product is not authorized for use in equipment where a higher safety standard and reliability standard is especially required or where a failure of the product is reasonably expected to cause severe personal injury or death, unless the parties have executed an agreement specifically governing such use. Moreover Wrth Elektronik eiSos GmbH & Co KG products are neither designed nor intended for use in areas such as military, aerospace, aviation, nuclear control, submarine, transportation (automotive control, train control, ship control), transportation signal, disaster prevention, medical, public information network etc.. Wrth Elektronik eiSos GmbH & Co KG must be informed about the intent of such usage before the design-in stage. In addition, sufficient reliability evaluation checks for safety must be performed on every electronic component which is used in electrical circuits that require high safety and reliability functions or performance.