# Problem getting readings on phone

**URL:** <https://forum.fudiabetes.org/t/problem-getting-readings-on-phone/10151>\
**Category:** Type 1 & LADA\
**Tags:** cgm\
**Created:** [August 20, 2020, 5:26am UTC](https://forum.fudiabetes.org/t/problem-getting-readings-on-phone/10151 "2020-08-20T05:26:04Z")\
**Posts on this page:** 1\
**Showing post:** 4

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**Author:** ![Boerenkool](https://yyz2.discourse-cdn.com/flex030/user_avatar/forum.fudiabetes.org/boerenkool/32/6307_2.png) [@Boerenkool](https://forum.fudiabetes.org/u/Boerenkool)\
**Post date:** [August 20, 2020, 9:07am UTC](https://forum.fudiabetes.org/t/problem-getting-readings-on-phone/10151/4 "2020-08-20T09:07:31Z")

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I don’t have any experience with Dexcom myself, but I suspect your transmitter is close to failure. The resistance is well above 1000. According to @docslotnick, transmitters die when the resistance is around 1000. He reported his experiences with the life span of Dexcom transmitters in this topic: [How Long Does a G5 Transmitter REALLY Last? \*\*UPDATE-Transmitter Died\*\* UPDATE-New Transmitter \*\*\*UPDATE-2nd Transmitter 😭](https://forum.fudiabetes.org/t/how-long-does-a-g5-transmitter-really-last-update-transmitter-died-update-new-transmitter-update-2nd-transmitter/1307/19)

Edit: Re-reading the aforementioned topic, apparently some transmitters keep functioning quite well despite a resistance exceeding 1000. Battery voltages dropping below 300 are another indication that the transmitter may fail shortly.

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