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opinion:frater_secessus:cudy_lt500 [2022/05/21 13:06] frater_secessus [undocumented features] |
opinion:frater_secessus:cudy_lt500 [2022/05/21 13:34] frater_secessus [the LT family] |
====== Cudy LT500 ====== | ====== Cudy LT500 ====== |
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The [[https://amzn.to/3NmAOzO|Cudy LT500]] is a [[https://www.cablefree.net/wirelesstechnology/4glte/lte-ue-category-class-definitions/|Cat4]]((Up to 150 Mbps Download / 50 Mbps Upload)) LTE modem and [[https://www.tech21century.com/wifi-ac1200-vs-ac1750-vs-ac1900-ac2200-vs-ac3000/|AC1200]]((maximum theoretical combined wifi bandwidth speed is 1200Mbps)) wifi router/repeater. There is relatively little documentation so this page attempts to collect what there is. It is reported to use a Qualcomm EC25-AFX chip for LTE((per amazon listing)) and Mediatek MT7628-series for wifi. | |
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| The [[https://amzn.to/3NmAOzO|Cudy LT500]] is a [[https://www.cablefree.net/wirelesstechnology/4glte/lte-ue-category-class-definitions/|Cat4]]((Up to 150 Mbps Download / 50 Mbps Upload)) LTE modem and [[https://www.tech21century.com/wifi-ac1200-vs-ac1750-vs-ac1900-ac2200-vs-ac3000/|AC1200]]((maximum theoretical combined wifi bandwidth speed is 1200Mbps)) wifi router/repeater. There is relatively little documentation so this page attempts to collect what there is. |
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| ===== software ===== |
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| The LT's software is a modified OpenWRT or LEDE stack: |
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| > Fri May 20 21:41:05 2022 kern.notice kernel: [ 0.000000] Linux version 4.4.140 (jenkins@cudy_release) (gcc version 5.4.0 (**LEDE** GCC 5.4.0 1.3.5) ) #0 Thu Mar 17 11:30:29 2022 |
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| ===== hardware ===== |
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| It is reported to use a Qualcomm EC25-AFX chip for LTE((per amazon listing)) and Mediatek MT7628-series for wifi. |
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| ===== power supply ===== |
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The router is powered by 12vdc, 1A adapter, so should be easy to run off [[electrical:12v:intro|house power]]. | The router is powered by 12vdc, 1A adapter, so should be easy to run off [[electrical:12v:intro|house power]]. |
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| ===== the LT family ===== |
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| ^ Model ^ RAM/flash ^ wifi ^ LTE ^ chips ^ |
| |LT500|128MB/16MB|802.11ac/a/n/b/g 2.4/5GHz|LTE-FDD:B2/B4/B5/B12/B13/B14/B66/B71 \\ WCDMA: B2/B4/B5|| |
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The LT500 is related to the LT350((64MB RAM, 8MB flash, 802.11n/b/g 2.4 GHz wifi)), LT400 | The LT500 is related to the LT350((64MB RAM, 8MB flash, 802.11n/b/g 2.4 GHz wifi)), LT400 |
and LT450((128MB RAM, 16MB flash, 802.11ac/a/n/b/g 2.4/5GHz wifi, chipsets 4G:EC200T WiFi: MT7628A+MT7612E)((https://newwezhanoss.oss-cn-hangzhou.aliyuncs.com/contents/sitefiles2019/10096568/files/381817..pdf?Expires=1653018324&OSSAccessKeyId=LTAIekGM1705vEQp&Signature=2txnkuvYHMtx7ErJGrvk%2BbEEAAQ%3D&response-content-disposition=inline%3Bfilename%3DLT450%2520V1.0_Datasheet.pdf&response-content-type=application%2Fpdf)) It is not immediately clear what the difference is between 450 and 500 besides color.((450 is white, 500 is black)) When checked, firmwware v.1.3.6 for both was byte-for-byte identical and refers to Mediatek MT7628 chip: | and LT450((128MB RAM, 16MB flash, 802.11ac/a/n/b/g 2.4/5GHz wifi, chipsets 4G:EC200T WiFi: MT7628A+MT7612E)((https://newwezhanoss.oss-cn-hangzhou.aliyuncs.com/contents/sitefiles2019/10096568/files/381817..pdf?Expires=1653018324&OSSAccessKeyId=LTAIekGM1705vEQp&Signature=2txnkuvYHMtx7ErJGrvk%2BbEEAAQ%3D&response-content-disposition=inline%3Bfilename%3DLT450%2520V1.0_Datasheet.pdf&response-content-type=application%2Fpdf)) |
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| It is not immediately clear what the difference is between 450 and 500 besides color.((450 is white, 500 is black)) When checked, firmwware v.1.3.6 for both was byte-for-byte identical and refers to Mediatek MT7628 chip: |
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md5sum *.bin | md5sum *.bin |