Excellent Special 2PCS Industrial Grade 1W 30dBm 400MHz To 480MHz Frequency SA818-U Half-Duplex Voice Transceiver Module UHF Walkie Talkie Module

Excellent Special 2PCS Industrial Grade 1W 30dBm 400MHz To 480MHz Frequency SA818-U Half-Duplex Voice Transceiver Module UHF Walkie Talkie Module intercom radio Rating: 3.5 out of 5

Walkie Talkie Best Sale Choice provide radio communicator,walkie talkie,two way radio,dual band radio Excellent Special 2PCS Industrial Grade 1W 30dBm 400MHz To 480MHz Frequency SA818-U Half-Duplex Voice Transceiver Module UHF Walkie Talkie Module. Get Discount Now! Only US $23.36/lot at this time. Hurry buy Now before back to normal price! Normal price US $29.20 or you can Check price now. Dont waste your time. Buy Now only in NiceRF Wireless Technology CO.,LTD Trusted Seller Store!

2PCS Industrial Grade 1W 30dBm 400MHz To 480MHz Frequency SA818-U Half-Duplex Voice Transceiver Module UHF Walkie Talkie Module

• 2pcs SA818-U 400-480MHz Walkie Talkie Modules
• If you need VHF(134MHz-174MHz) frequency, please leave a massage to confirm with us, otherwise, we will send 400-480MHz frequency Band

SA818 is a low cost and high performance integrated walkie talkie module. This module is the 2nd generation of the walkie talkie module and the upgraded version of SA808.SA818 comes with built-in high performance microcontroller, narrow band rf transceiver and standard UART interface. It is easy to use. Users only need to add external audio amplifier, microphone and speaker, then it becomes a professional walkie talkie with 1W output. In open area, it can easily achieve 3.5-5Km communication distance. Simplified interface and ultra small size make this module widely used in various applications and conveniently embedded into various handheld devices.There are two frequency bands of SA818: SA818-U and SA818-V. The onlydifference is the frequency range. The others are same, including module size, interface, software protocol, etc. The two modules’ frequency ranges are:

SA818-U: U band, 400 -- 480MHz,
SA818-V: V band , 134 -- 174MHz

Features:

• Frequency range:SA818-U: 400 ~ 480 MHz (UHF), SA818-V: 134 -- 174MHz
• Tx and Rx frequency, Tx and Rx CTCSS,CDCSS can be set alone.
• Band width 12.5/25KHz
• Output power up to 1 w
• Transmission distance up to 3.5 to 5 km in Open 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 (500 mw)-1w
• wide range of working voltage 3.3 to 5.5 V
• 1 ppm KDS TCXO crystal,

Application

• Small walkie talkie
• Invisible intercom system
• Sport products
• Building community security
• Audio surveillance system

Product details

Specification

Internal block diagram

Schematic

Pinout

Machanism Dimension

We are a technology leading company, who has combined R&D, produce and sales. Our company focused on the application development of RF and sensor module, devoted to provide the most excellent performance RF and integrated digital sensor module to our customers. Meanwhile, we can customize the RF and sensor class ODM project as well.

1. We appreciate your order and and we do our best to serve you.
2. We offer an instant 7 days return policy (7 days after we receive the items).
3. The returned item has to be in its original condition.
4. We are able to refund your money without shipping cost.

1. Your satisfaction and positive feedback are appreciated. Please leave positive feedback and 5 stars if you are satisfied with our items and services.
2. If you have any problems with our items or services, please feel free to contact us first before you leave negative feedback.
3. We will do our best to solve any problems and provide you with the best customer services.
4. For any question, pls feel free to contact us by email or via TradeManager.

We accept: VISA, MasterCard, Escrow

1. Packaging: All sample packed in Yellow carton
2. Shipping: Free shipping by China Post Registered Air Mail,If you need fast shipping like DHL,FEDEX,ARAMAX,EMS, Pls contact with seller or email Items will be shipped within 3~5 days after we receive the full payment.

• 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.
• If you do not receive item within 60 working days (10 weeks), please contact us to investigate the case.
• 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

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We accept: VISA, MasterCard, Escrow

1. Packaging: All sample packed in Yellow carton
2. Shipping: Free shipping by China Post Registered Air Mail,If you need fast shipping like DHL,FEDEX,ARAMAX,EMS, Pls contact with seller or email Items will be shipped within 3~5 days after we receive the full payment.

• 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.
• If you do not receive item within 60 working days (10 weeks), please contact us to investigate the case.
• 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

Return Policy

If the product you receive is not as described or low quality, the seller promises that you may return it before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe) and receive a full refund. The return shipping fee will be paid by you. Or, you can choose to keep the product and agree the refund amount directly with the seller.
N.B.: If the seller provides the "Longer Protection" service on this product, you may ask for refund up to 15 days after order completion.

Seller Service

On-time Delivery: If you do not receive your purchase within 60 days, you can ask for a full refund before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe).
Excellent Special 2PCS Industrial Grade 1W 30dBm 400MHz To 480MHz Frequency SA818-U Half-Duplex Voice Transceiver Module UHF Walkie Talkie Module

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