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Product Details

2pcs/lot RDA1846S Embedded 2W 5km UHF | VHF Walkie Talkie Module SA868

SA868 is a cost-effective integrated professional walkie-talkie module, built-in high-speed microcontroller, high-performance RF transceiver chip and RF power amplifier, and provides a standard serial port to communicate with the module, so that the module’s related parameters can be set quickly and easily. Function control. Users only need to connect an audio amplifier, microphone, and speaker to this module to work as a small walkie-talkie. The simplified interface and ultra-small size make this module widely available, and can be easily and quickly embedded in various handheld devices to improve the overall performance of the terminal products.

There are two frequency bands of SA868: SA868-U and SA868-V. The only difference is the frequency range. The others are same, including module size, interface, software protocol, etc.

Two frequency band for your option, default is UHF:

  • SA868-U: U band, 400 — 480MHz
  • SA868-V: V band, 134 — 174MHz
This module compatible with our SA818, both of them has the same pinout

  • Frequency range:
  • SA868-U : 400 ~ 480 MHz (UHF)
  • Tx and Rx frequency, Tx andRxCTCSS,CDCSS can be set alone.
  • Band width 12.5/25KHz
  • Output power up to 2W
  • Transmission distance up to 4 to 6 kminOpen area
  • Sensitivity: – 124 dBm
  • Small size
  • Built-in EEPROM, data kept unchanged even powered off
  • 38 CTCSS
  • 166 CDCSS
  • 8 level squelch
  • 8 adjustable volume
  • High/ low power is optional(1.6W/1.8W)
  • Wide range of working voltage 3.3 to 5.5 V
  • 1 ppm KDS TCXO crystal
  • small walkie talkie
  • Invisible intercom system
  • Sport products
  • building community security system
  • audio surveillance system

Block diagram:

Electronic Specifications:

Typical Application Circuit:

Pinout definition:

Mechanical dimensions(mm):



  • 2pcs UHF 2W Walkie Talkie Module SA868

Item Specifics
Model Number:
SA868 2W walkie talkie module
Storage Channel:
Walkie Talkie Type:
Brand Name:
Talk Range:
Frequency Range:
400 ~ 480 MHz (UHF);134~174MHZ (VHF)
Maximum Range:
Working Voltage:
3.3 ~ 5.5 V
RX current:
TX current (high power):
950 mW
-124 dBm
Tx and Rx frequency:
Tx and Rx CTCSS,CDCSS can be set alone
Band width:
Output power:
up to 2 w
Transmission distance:
up to 6km in Open area
TX current (low power):
frequency band:
Shipping & Payment


We are proud to offer international shipping services that currently operate in over 200 countries and islands world wide. Nothing means more to us than bringing our customers great value and service. We will continue to grow to meet the needs of all our customers, delivering a service beyond all expectation anywhere in the world.

How do you ship packages?

Packages from our warehouse in China will be shipped by ePacket or EMS depending on the weight and size of the product. Packages shipped from our US warehouse are shipped through USPS.

Do you ship worldwide?

Yes. We provide free shipping to over 200 countries around the world. However, there are some locations we are unable to ship to. If you happen to be located in one of those countries we will contact you.

What about customs?

We are not responsible for any custom fees once the items have shipped. By purchasing our products, you consent that one or more packages may be shipped to you and may get custom fees when they arrive to your country.

How long does shipping take?

Shipping time varies by location. These are our estimates:
Location *Estimated Shipping Time
United States 10-30 Business days
Canada, Europe 10-30 Business days
Australia, New Zealand 10-30 Business days
Central & South America 15-30 Business days
Asia 10-20 Business days
Africa 15-45 Business days
*This doesn’t include our 2-5 day processing time.

Do you provide tracking information?

Yes, you will receive an email once your order ships that contains your tracking information. If you haven’t received tracking info within 5 days, please contact us.

My tracking says “no information available at the moment”.

For some shipping companies, it takes 2-5 business days for the tracking information to update on the system. If your order was placed more than 5 business days ago and there is still no information on your tracking number, please contact us.

Will my items be sent in one package?

For logistical reasons, items in the same purchase will sometimes be sent in separate packages, even if you've specified combined shipping.

If you have any other questions, please contact us and we will do our best to help you out.


Order cancellation

All orders can be cancelled until they are shipped. If your order has been paid and you need to make a change or cancel an order, you must contact us within 12 hours. Once the packaging and shipping process has started, it can no longer be cancelled.


Your satisfaction is our #1 priority. Therefore, you can request a refund or reshipment for ordered products if:

  • If you did not receive the product within the guaranteed time( 45 days not including 2-5 day processing) you can request a refund or a reshipment.
  • If you received the wrong item you can request a refund or a reshipment.
  • If you do not want the product you’ve received you may request a refund but you must return the item at your expense and the item must be unused.

We do not issue the refund if:

  • Your order did not arrive due to factors within your control (i.e. providing the wrong shipping address)
  • Your order did not arrive due to exceptional circumstances outside the control of jonaki (i.e. not cleared by customs, delayed by a natural disaster).
  • Other exceptional circumstances outside the control of

*You can submit refund requests within 15 days after the guaranteed period for delivery (45 days) has expired. You can do it by sending a message on Contact Us page

If you are approved for a refund, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within 14 days.


If for any reason you would like to exchange your product, perhaps for a different size in clothing. You must contact us first and we will guide you through the steps.

Please do not send your purchase back to us unless we authorise you to do so.

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10 Aug 2019

Good store. The seller is sociable. He himself sent the technical documentation for the soap module. Not yet. If it doesn't work, i'll write.

21 Jun 2019

Thank you...

28 May 2019

Fantastic product and delivery speed

19 Apr 2019

Modules came whole. Until i checked, i need to make a layout.

18 Apr 2019

Good modules! Programmed, checked, working! Thank you store!

11 Apr 2019

Delivery to msk for 8 days, mega fast delivery, thanks to the store for promptness, ordered for the spouse, in fact not yet used, later unsubscribe .. Seller and product definitely recommend

27 Mar 2019

always happy with this store. store deliver outstanding services, immediate order follow up and shipment and the most impotant is good quality of product.

Super hot! Several others have checked this out in the last few hours

2pcs/lot RDA1846S Embedded 2W 4~6km UHF | VHFWalkie Talkie Module SA868

7 Reviews
29 days
Selling fast: get yours before it’s gone!
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