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Product Details
Overview
SA818S is a cost-effective integrated professional walkie-talkie module with a built-in high-speed microcontroller, high-performance RF transceiver chip and RF amplifier, and provides a standard serial port to communicate with the module, so that it is easy to set up the module's relevant parameters and control the transceiver function. Users only need to external audio amplifier, microphone, speaker on this module, can work as a small walkie-talkie. Simplified interface and ultra-small size make this module widely used, and it can be easily and quickly embedded into various handheld devices to improve the comprehensive performance of terminal products. SA818S walkie-talkie module adds LNA circuit on the basis of SA818, and the sensitivity is increased by 4dBm. 400-470MHz whole frequency range, the power output fluctuation is less than 1dB, and the low-power can do 400-470MHz 27dBm+/-1dBm error. Note: The hardware and software interfaces are the same as the previous ones and are compatible with each other.
Features
1.This SA818S intercom module built-in high-speed microcontroller, high-performance RF transceiver chip and RF amplifier, is a cost-effective integrated professional intercom module.
2. Simplified interface and ultra-small size makes this module can be widely used, also can be easily and quickly embedded into various handheld devices.
3.SA818S walkie-talkie module adds LNA circuit on the basis of SA818, and the sensitivity is increased by 4dBm.
4. Low power consumption, 400-470MHz frequency range, power output fluctuation is less than 1dB, low power can do 400-470MHz 27dBm+/-1dBm error.
5. High reception sensitivity, with high reception sensitivity, able to receive signals at a longer distance.
1.This SA818S intercom module built-in high-speed microcontroller, high-performance RF transceiver chip and RF amplifier, is a cost-effective integrated professional intercom module.
2. Simplified interface and ultra-small size makes this module can be widely used, also can be easily and quickly embedded into various handheld devices.
3.SA818S walkie-talkie module adds LNA circuit on the basis of SA818, and the sensitivity is increased by 4dBm.
4. Low power consumption, 400-470MHz frequency range, power output fluctuation is less than 1dB, low power can do 400-470MHz 27dBm+/-1dBm error.
5. High reception sensitivity, with high reception sensitivity, able to receive signals at a longer distance.
Specification
UHF band: 400~480 MHz
VHF band: 134~174 MHz
Transmitter and receiver frequencies are independent
Bandwidth: 12.5KHz / 25KHz
RSSI signal strength indication
Open field transmission distance: 4-5 kilometers
High receiver sensitivity: -124 dBm
Highly integrated small footprint
38 levels of CTCSS analog subaudio codes
166 levels of forward and inverted CDCSS digital subaudible audio
8 levels of squelch
8 levels of adjustable volume
High power 1W (@CE, 800mW), low power 500mW
Wide range of operating voltage 3.3-5.5 V
Built-in EEPROM, power-down data storage
Adopt 1ppm TCXO crystal, stable performance.
UHF band: 400~480 MHz
VHF band: 134~174 MHz
Transmitter and receiver frequencies are independent
Bandwidth: 12.5KHz / 25KHz
RSSI signal strength indication
Open field transmission distance: 4-5 kilometers
High receiver sensitivity: -124 dBm
Highly integrated small footprint
38 levels of CTCSS analog subaudio codes
166 levels of forward and inverted CDCSS digital subaudible audio
8 levels of squelch
8 levels of adjustable volume
High power 1W (@CE, 800mW), low power 500mW
Wide range of operating voltage 3.3-5.5 V
Built-in EEPROM, power-down data storage
Adopt 1ppm TCXO crystal, stable performance.
Applications
Compact walkie-talkie
Wireless intercom system
Building community security system
Outdoor sports products
Audio listening system
Compact walkie-talkie
Wireless intercom system
Building community security system
Outdoor sports products
Audio listening system
List
1 x Module
1 x Module
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- If the item is defect when you receive it or you are not satisfied with it, please return it within 14 days for a replacement or money back. But the items must be back in factory condition. Please contact us and double check the return address before you return it.
- If is item is defective in 12 months, you can return it to us. We will send you a new replacement after receiving the defective item.