
4pcs/lot RDA1846S chip Embedded 1W 3.5km-5km VHF | UHF Walkie Talkie Module SA818
Cooltech Store
Precio habitual $54.76
Package included:
- 4pcs VHF Walkie Talkie Modules SA818
If you need UHF(400 ~ 480 MHz) frequency, just leave message please!
Product Picture:
Features:
*Frequency: 400 ~ 480 MHz (UHF) / 134~174MHZ (VHF) for option
*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 system
*audio surveillance system
Typical schematic:
Pin out:
