Fantastic Sale 2pcs/lot RDA1846S Embedded 1W 3.5km-5km VHF | UHF Walkie Talkie Module SA818

Fantastic Sale 2pcs/lot RDA1846S Embedded 1W 3.5km-5km VHF | UHF Walkie Talkie Module SA818 intercom radio Rating: 5 out of 5

Walkie Talkie Best Sale Choice provide two way radio,radio transceiver Fantastic Sale 2pcs/lot RDA1846S Embedded 1W 3.5km-5km VHF | UHF Walkie Talkie Module SA818. Get Discount Now! Only US $17.56/lot at this time. Hurry buy Now before back to normal price! Normal price US $20.90 or you can Check price now. Dont waste your time. Buy Now only in NiceRF Wireless Manufacturer Trusted Seller Store!

Quality products guarantee your life much more comfortable when using it. If you are interested to buy it, you can straight call the sales to obtain even more details about this top quality item.

2 pcs SA818 high-integrated Embedded VHF UHF walkie talkie module

SA818 is a low cost but high performance integrated walkie talkie module.With built-in high performance microcontroller, narrow band rf transceiver and standard UART interface it can be easily used and succeed all the walkie talkie function with good quality voice and long distance transmission. Users only need to connect external audio amplifiers, microphone or speaker with this module ,then it can work as a small walkie talkie with 1W output. In open area, it can easily achieve 3.5-5Km communication. Simplified interface and ultra small size make this module a wide range of applications, also can conveniently embed into various handheld devices,to improve the comprehensive performance of end products.

Product Picture:

Electronic Specifications:

Current consumption

Sleep current	@ PD = 0V	≤1	uA
RX current	60	mA
TX current(High power)	650	750	mA
TX current(low power)	450	550	mA
Transmitting RF parameters
Frequency range	UHF	400	480	MHz
Frequency range	VHF	134	174	MHz
Out power(High power)	@ VCC=4.0V	28	29.5	31	dBm
Out power(low power)		25	26.5	27	dBm
Modulation frequency	@ 1.5Khz/2.5KHz frequency deviation	10	mV
Audio modulation distortion	@ 1.5Khz/2.5KHz frequency deviation	2	5	%
SignaltoNoiseRatio	@ 1.5Khz/2.5KHz frequency deviation	38	40	45	dB
adjacent-channel power	@ 12.5K offset	-60dBc	dBm
CTCSS Modulation frequency	0.35	0.5	0.75	KHz
Receiving RF parameters
Receiving sensitivity	-124	dBm
Receiving SNR	@ 1.5KHz frequency deviation	45	50	dB
Audio output amplitude	700	mV
Audio Output impedance	200	OHm

Features:

*Frequency: 400 ~ 480 MHz (UHF)

*134~174MHZ (VHF)

*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

• 2pcs VHF Walkie Talkie Module SA818

If you need UHF(400 ~ 480 MHz) frequency , just leave message please! Also, we have DEMO baord in store!

Shipment: Free shipping by China post airmail

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).
Fantastic Sale 2pcs/lot RDA1846S Embedded 1W 3.5km-5km VHF | UHF Walkie Talkie Module SA818