# PMP450 3GHz - Why the 4 prong power plug?

**URL:** https://community.cambiumnetworks.com/t/pmp450-3ghz-why-the-4-prong-power-plug/77221
**Category:** PMP
**Created:** [March 23, 2021, 2:15pm UTC](https://community.cambiumnetworks.com/t/pmp450-3ghz-why-the-4-prong-power-plug/77221 "2021-03-23T14:15:44Z")
**Posts on this page:** 1
**Page:** 2

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### Author: ![RFWaveRider](https://d10gw3vjmzyp8.cloudfront.net/letter_avatar_proxy/v4/letter/r/e495f1/32.png) [@RFWaveRider](https://community.cambiumnetworks.com/u/RFWaveRider)
#### Post date: [February 23, 2022, 5:03pm UTC](https://community.cambiumnetworks.com/t/pmp450-3ghz-why-the-4-prong-power-plug/77221/21 "2022-02-23T17:03:23Z")

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Also… a year now… what’s going on?  
@CambiumMatt

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