SA828 – 2pcs All-in-One UHF VHF Frequency Embedded walkie talkie module+2pcs antennas SA828 is an all-in-one professional walkie-talkiemodule in small size. It is very easy to use with powerful function. This module has full function of a professional walkie-talkie and can talk with any analog walkie-talkie in the market. With the small size, it can be easily embedded into instrument, portable and handheld device. SA828 works well in the hot/cold environment with the KDS 1PPM TCXO. The features of excellent antenna match network, good RF amplifier, high RF sensitivity allow its communication easily to achieve over 3Km in open area. Rotary switch for channel selection, EEPROM,Audio Amplifier, RF Amplifier, PTT key, Antenna socket are all included in such a small size module. Besides, all parameters (CTCSS, CDCSS, SQ, Predefined channels etc) can be easily modified either by PC software or command using UART interface. With the embedded audio volume turning circuit, user can only solder a variable resistor on Pin16, Pin17 to adjust the volume steplessly. There are two frequency bands of SA828: SA828-U and SA828-V. The only difference is the frequency range. The others are same, including module size, interface, software protocol, etc. The two modules’ frequency ranges are: SA828-U: U band, 400 — 480MHz SA828-V: V band, 134 — 174MHz Product Picture: Features:
- Frequency range: 400~480MHz/134~174MHz
- Solely TX and RX frequency
- 12.5/25KHz bandwidth selection
- 1W Output Power
- 3~5Km distance in open aera
- High Sensitivity: -124dBm
- High Integrated with ultra small size
- 166 CDCSS, 38 CTCSS
- 8 SQ
- High / low output power selection (500mW-1W)
- Embedded EEPROM, data saved
- even power off 1ppm TCXO
Application:
- Small size walkie-talkie
- Pocket / handheld device
- Security system
- Instrument
- Outdoor sport product
- Audio tracking and control system
Specification:
Internal diagram: Typical application schematic: Pin out definition: Parameter setup: Mechanical dimension: Communication protocol: The parameters of SA828 can be modified with standard UART interface. The interface voltage is TTL 3.3V. User can contact your sales engineer for detailed communication protocol.
Package included:
- 2pcs UHF(400 – 480MHz) all-in-one walkie talkie module SA828
- 2pcs 409MHz antennas
If you need VHF(134~174MHz) frequency, just leave message please.
Shipment: Free shipping by China post
Shipping:
1. Items will be shipped within 3~5 days after we rceive 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.
Return Policy:
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.
Feedback:
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. We will do our best to solve any problems and provide you with the best customer services.
3. For any question, pls feel free to contact us by email or via TradeManager.
We wish you a happy shopping, and welcome to place orders or give us advices!
PS: My dear friend, we have a professional RD group,
including the underlying software engineer, application software engineer, hardware engineer and RF engineer,
which guarantees us can customize the RF and sensor class ODM project for you!
If you have such needs, pls feel free to contact me.
Thank you!
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Name | Rating | Feedback |
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Shipping Company | Shipping Cost | Estimated Delivery Time |
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3 - 7 days | ||
3 - 7 days | ||
5 - 14 days | ||
Post Air Mail | Free Shipping | 15 - 45 days |
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. |
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Seller Service | On-time DeliveryIf 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). |
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