# Datasheet and purchase location – RTL8720FBF / RTL8720EAF / RTL8710ECF / RTL8721DAF / RTL8721FAF

**URL:** <https://forum.amebaiot.com/t/datasheet-and-purchase-location-rtl8720fbf-rtl8720eaf-rtl8710ecf-rtl8721daf-rtl8721faf/5154>\
**Category:** Hardware\
**Created:** [October 12, 2026, 11:17am UTC](https://forum.amebaiot.com/t/datasheet-and-purchase-location-rtl8720fbf-rtl8720eaf-rtl8710ecf-rtl8721daf-rtl8721faf/5154 "2026-10-12T11:17:14Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![deepakkumarbinwal](https://avatars.discourse-cdn.com/v4/letter/d/22d042/32.png) [@deepakkumarbinwal](https://forum.amebaiot.com/u/deepakkumarbinwal)\
**Post date:** [October 12, 2026, 11:17am UTC](https://forum.amebaiot.com/t/datasheet-and-purchase-location-rtl8720fbf-rtl8720eaf-rtl8710ecf-rtl8721daf-rtl8721faf/5154/1 "2026-10-12T11:17:14Z")

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Hi all,

We are evaluating these parts for a battery-powered smart lock:

1. RTL8720FBF
2. RTL8720EAF
3. RTL8710ECF
4. RTL8721DAF
5. RTL8721FAF

Questions:

1. Where can we download the datasheet for each part?
2. Where can we buy these chips and their EVBs?

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**Author:** ![david\_yang](https://avatars.discourse-cdn.com/v4/letter/d/b77776/32.png) [@david\_yang](https://forum.amebaiot.com/u/david_yang)\
**Post date:** [October 13, 2026, 2:59am UTC](https://forum.amebaiot.com/t/datasheet-and-purchase-location-rtl8720fbf-rtl8720eaf-rtl8710ecf-rtl8721daf-rtl8721faf/5154/2 "2026-10-13T02:59:52Z")

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#### Hi @deepakkumarbinwal

FYI！

* * *

#### 1. Home Navigation

- **Chinese Home** : [[Realtek IoT Home (ZH)](https://aiot.realmcu.com/zh/home.html)]
- **English Home** : [[Realtek IoT Home (EN)](https://aiot.realmcu.com/en/home.html)]

* * *

#### 2. Datasheet Download Navigation

You can browse and download datasheets via:

- **Datasheet Portal** : [[Datasheet Portal](https://aiot.realmcu.com/zh/datasheet/index.html)]
- **Download Center (Filtered by Datasheets)**: [[Download Center Datasheets](https://aiot.realmcu.com/zh/center/files/?tags=6%2C66)]

Status for each of the 5 requested parts:

1. **RTL8710ECF** : The Download Center provides RTL8710EC series and module datasheets (including _RTL8710EC Datasheet_, _RTL8710ECF-VT3 Datasheet_, and _PKM8710ECF Module Datasheet_) [[RTL8710E Datasheets](https://aiot.realmcu.com/zh/center/files/?tags=6%2C66&tags=6%2C32)].
2. **RTL8721DAF** : The Download Center provides the _RTL8721Dx Datasheet_ as well as the _PKM8721DAF Module Datasheet_ and _PKE8721DAF EVB Datasheet_ [[RTL8721Dx Datasheets](https://aiot.realmcu.com/zh/center/files/?tags=6%2C66&tags=6%2C30)].
3. **RTL8721FAF** : The Download Center provides the _RTL8721F Datasheet_ and the _PKM8721FAF Module Datasheet_ [[RTL8721F Datasheets](https://aiot.realmcu.com/zh/center/files/?tags=6%2C66&tags=6%2C29)].
4. **RTL8720EAF** : The knowledge sources include _ameba\_datasheet\_rtl8720ea\_v5.0.pdf_ (covering RTL8720EAF pin assignments) [[RTL8720EAF Pinout](https://aiot.realmcu.com/filelist?search=rtl8720ea+datasheet#page=12)]; however, an independent download entry specifically named for this part is not explicitly listed in the main Download Center list.
5. **RTL8720FBF** : not be officially released or available in stock yet.

* * *

#### 3. Chip and EVB Purchase Navigation & Availability

- **Chip Procurement** : For purchasing chips in volume or requesting quotes, contact sales: [[Contact Sales](https://aiot.realmcu.com/contact-us/contact-sales?lang=en)].
- **Modules & EVB Availability / Purchase** :
  - **RTL8720FBF** : not be officially released or available in stock yet.
  - **RTL8720EAF** : The Download Center provides the _RTL8720EAF/RTL8720EAM EVB User Guide_ [[EVB User Guides](https://aiot.realmcu.com/zh/center/files/?tags=6%2C67)], and product details can be found on the RTL8720E page: [[RTL8720E Product Page](https://aiot.realmcu.com/en/product/rtl8720e.html)].
  - **RTL8710ECF** : The Download Center provides the _PKE8710ECF-C53-F20 EVB Datasheet_ [[RTL8710E Datasheets](https://aiot.realmcu.com/zh/center/files/?tags=6%2C66&tags=6%2C32)].
  - **RTL8721DAF** : The Download Center provides the _PKE8721DAF EVB Datasheet_ [[RTL8721Dx Datasheets](https://aiot.realmcu.com/zh/center/files/?tags=6%2C66&tags=6%2C30)].
  - **RTL8721FAF** : The Download Center provides the _RTL8721FAF/RTL8721FAM EVB User Guide_ [[EVB User Guides](https://aiot.realmcu.com/zh/center/files/?tags=6%2C67)].

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<div class="post-metadata">

**Author:** ![deepakkumarbinwal](https://avatars.discourse-cdn.com/v4/letter/d/22d042/32.png) [@deepakkumarbinwal](https://forum.amebaiot.com/u/deepakkumarbinwal)\
**Post date:** [October 13, 2026, 4:52am UTC](https://forum.amebaiot.com/t/datasheet-and-purchase-location-rtl8720fbf-rtl8720eaf-rtl8710ecf-rtl8721daf-rtl8721faf/5154/3 "2026-10-13T04:52:56Z")

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When i click [Contact Sales](https://aiot.realmcu.com/contact-us/contact-sales?lang=en) link , it open a form page but work email input field is not present and form is not allowing to submit form without that field.