# ELSYS LoRa® ERS / ERS-lite

**URL:** <https://www.thethingsnetwork.org/forum/t/elsys-lora-ers-ers-lite/17496>\
**Category:** Product Support\
**Created:** [August 26, 2018, 10:00pm UTC](https://www.thethingsnetwork.org/forum/t/elsys-lora-ers-ers-lite/17496 "2018-08-26T22:00:00Z")\
**Posts on this page:** 1\
**Showing post:** 4

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**Author:** ![ipswich-ibennett](https://www.thethingsnetwork.org/forum/user_avatar/www.thethingsnetwork.org/ipswich-ibennett/32/26201_2.png) [@ipswich-ibennett](https://www.thethingsnetwork.org/forum/u/ipswich-ibennett)\
**Post date:** [October 4, 2018, 4:52am UTC](https://www.thethingsnetwork.org/forum/t/elsys-lora-ers-ers-lite/17496/4 "2018-10-04T04:52:08Z")

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I would like to increase the time between LoRaWan transmission. From the ELSYS downlink payload document, I think this is the 0x14 SplPer (period) and 0x1F SendPer (multipler) items, but how do I specify the period (seconds??)? For example, what would a 10 minute period look like? 3E0514xxxxxxxx051F00000001

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