6pcs 166 group CDCSS Embedded walkie talkie module SA818 VHF band 134 — 174MHz
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 only
difference 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)
Tx and Rx frequency, Tx andRxCTCSS,CDCSS can be set alone.
Band width 12.5/25KHz
Output power up to 1 w
Transmission distance up to 3.5 to 5 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 (500 mw)-1w
wide range of working voltage 3.3 to 5.5 V
1 ppm KDS TCXO crystal,
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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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