G NiceRF SA818 1W 3.5Km ~ 5Km Long Range UHF Walkie Talkie RF Module For Intercom and Walky Talky RDA1846S Chip All in one
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- Supplier: NiceRF Wireless Technology Co. Limited
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Product Overview
Description
SA818 1W Embedded UHF 400-480MHz Walkie Talkie rf Module With RDA1846S Chip Walkie Talkie radio rf Module
Include in the package:
1pcs SA818-U module in 400-480mhz radio rf module kits
If you need 134-174MHz,please leave us a massage.
SA818 is a cost-effective integrate professional walkie talkie module, it comes with built-in high performance microcontroller, narrow band RF transceiver IC and RF power amplifier,SA818 offer standard UART interface, which easy to configure the related parameters and control the
TX/RX function, Users only need to add external audio amplifier, microphone and speaker, then it becomes a professional walkie talkie, Simplified interface and Ultra small size make this module widely used in various applications and conveniently embedded into various handheld
Product Description
Features
UHF band frequency: 400~480 MHZ
VHF band frequency: 134~174 MHZ
Tx and Rx frequency, Tx and Rx CTCSS,
CDCSS can be set alone.
Band width 12.5 / 25 KHz
Output power up to 1W
Distance up to 4-5km in open area
Sensitivity:-124 dBm
High-integrated, Small Size
38 CTCSS
166 CDCSS
8 level squelch
8 adjustable volume
High/ low power is optional(500mW-1W)
Wide range of working voltage 3.3-5.5 V
Built-in EEPROM,data saved even powered off
1 ppm KDS TCXO crystal, Stable performance
Application
small walkie talkie
Invisible intercom system
audio surveillance system
Outdoor Sport products
building community security system
Electrical Specification
Product Show:
Typical Application Schematic:
Pin Definition:
Machinism Dimensions:
Packaging & Shipping
Shipping
1. Items will be shipped within 3~5 days after we receive the full payment.
2. We do not guarantee delivery time on all international shipments due to differences in customs clearing times in individual countries, which may affect how quickly your product is inspected.
3. If you do not receive item within 60 working days (10 weeks), please contact us to investigate the case.
4. Please note that buyers are responsible for all additional customs fees, brokerage fees, duties, and taxes for importation into your country. These additional fees may be collected at time of delivery. We will not refund shipping charges for refused shipments.
We can provide EMS, DHL, Fedex, TNT China Register Post Air Mail and etc.
* All free shipping on our store are mostly China Registered Post Air Mail.
* If you need fast shipping like DHL or other, you will need extra payment, pls contact sales to evaluate the price.
Our Services
1, Any inquiries will be replied in 12 hours.
2, OEM/ODM service.
* Customer's own logo is available;
* We help customer realize their own thinking, idea, design;
3,After-sale Service.
* All products passed QC before shipping;
* All products will be well-packed before shipping;
* All products have 1 year guarantee. Damaged item is free to change or
return in warranty period.
4, Payment Terms: T/T,Western Union/paypal/MoneyGram.
5, Shipping Company: China air post/HK,Singapore post/EMS/DHL/FEDEX.
FAQ
A) Are you factory?
1)Yes, we are factory, we have our own R&D team, all products are developed by our own R&D team.
B) Do you offer technology support?
1) Yes, we offer technology support and ODM&OEM service.
Company Information
Our company is engaged in researching, developing, producing and selling IOT(internet of things) products. We devoted ourselves on providing good RF modules, walkie talkie modules and integrated digital sensor modules. Meanwhile, ODM and OEM projects are welcomed. With more than 10 years experience of product design in RF and sensors, we have earned a good reputation among our customers.
1W Embedded UHF 400-480MHz Walkie Talkie rf Module With RDA1846S Chip Walkie Talkie radio rf Module 1W Embedded UHF 400-480MHz Walkie Talkie rf Module With RDA1846S Chip Walkie Talkie radio rf Module 1W Embedded UHF 400-480MHz Walkie Talkie rf Module With RDA1846S Chip Walkie Talkie radio rf Module
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