Elecbee SA818 Wireless Walkie Talkie Module UHF 400-480 MHz Audio Module

SKU: EB0042852

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Key Features

UHF band 400~480 MHZ

Transmit receive frequency independent

Bandwidth 12.5 KHz

Output power up to 1W

Open distance is 4-5 km

High receiving sensitivity: -124 dBm

Highly integrated small volume

38-level CTCSS analog sub-audio code

166-level positive phase, inverted CDCSS digital sub-audio

8-level squelch

8-level adjustable volume

High and low power options (500mW-1W)

Wide operating voltage 3.3-5.5 V

Built-in EEPROM, data power-down save

Stable with 1ppm TCXO crystal

Applications:

xa0

Small walkie talkie

Ignore the intercom system

Building community security system

Outdoor sports products

Audio monitoring system

Parameter	Testxa0Conditions	MIN.	Typical	MAX.	UNIT
Operatingxa0voltagexa0range	xa0	3.3	4.2	5.5	V
Operatingxa0temperaturexa0range	xa0	-30	25	70	℃
Currentxa0consumption
Sleepxa0current	xa0	xa0	≤1	xa0	uA
Receivingxa0current	xa0	xa0	60	xa0	mA
Emissionxa0currentxa0(highxa0power)	xa0	xa0	650	750	mA
Emissionxa0currentxa0(lowxa0power)	xa0	xa0	450	550	mA
Emissionxa0frequencyxa0parameter
Operatingxa0frequencyxa0range	UHF (this item)	400	xa0	480	MHZ
Operatingxa0frequencyxa0range	VHF (ID:1441651)	134	xa0	174	MHZ
Transmitxa0powerxa0(highxa0power)	@VCC=4.0V	28	29.5	31	dBm
Transmitxa0powerxa0(lowxa0power)	@VCC=4.0V	25	26.5	27	dBm
Modulationxa0sensitivity	@1.5Khz/2.5KHZxa0frequencyxa0offset	xa0	10	xa0	mV
Audioxa0modulationxa0distortion	@1.5Khz/2.5KHZxa0frequencyxa0offset	xa0	2	5	%
Signalxa0toxa0noisexa0ratio	@1.5Khz/2.5KHZxa0frequencyxa0offset	38	40	45	dB
Adjacentxa0channelxa0power	@12.5Kxa0offset	xa0	-60dBc	xa0	dBm
CTCSSxa0modulationxa0frequencyxa0offset	xa0	0.35	0.5	0.75	KHZ
Receivingxa0radioxa0frequencyxa0parameter
Receivingxa0sensitivity	13dBxa0outputxa0voicexa0signalxa0ratio	xa0	-124	xa0	dBm
Receivexa0signalxa0toxa0noisexa0ratio	@1.5KHZxa0frequencyxa0offset	45	50	xa0	dB
Audioxa0outputxa0amplitude	xa0	xa0	700	xa0	mV
Audioxa0outputxa0impedance	xa0	xa0	200	xa0	OHm

Datasheet

EB0042852

Specifications

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Attribute

Value

Wireless Capability

Bluetooth

Model

SA818

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Description

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Introduction:

SA818 is a cost-effective integrated professional walkie-talkie module with built-in high-speed microcontroller, high-performance RF transceiver chip and RF power amplifier, and provides standard TTL serial port to communicate with the module, which can quickly and easily set the relevant parameters of the module and Transceiver function for control. Users only need to connect an audio amplifier, microphone, and speaker to this module to work as a small walkie-talkie. The simplified interface and ultra-small size make this module widely available, and can be easily and quickly embedded in various handheld devices to improve the overall performance of the terminal products.

Shopping Guide

Shipping	Delivery Period	For in-stock parts, orders are estimated to ship out in 3 days. Elecbee ships orders once a day at about 5pm except Sunday. Once shipped, estimated delivery time depends on the below carriers you chose. DHL Express: 3-7 business days DHLeCommerce: 12-22 business days FedEx International Priority: 3-7 business days EMS: 10-15 business days Registered Air Mail: 15-30 business days
	Shipping Rates	Shipping rates for your order can be found in the shopping cart.
	Shipping Options	Shipping rates for your order can be found in the shopping cart.
	Shipping Tracking	We will notify you by email with tracking number once order is shipped. You can track your order using the “Track My Order” feature.
Returning/Warranty	Returning	Returns are normally accepted when completed within 30 days from date of shipment, please contact customer service for a return authorization. Parts should be unused and in original packaging. Customer has to take charge for the shipping
	Warranty	All Elecbee purchases come with a 30-day money-back return policy, plus 1-year Elecbee warranty against any manufacturing defects.
		This warranty shall not apply to any item where defects have been caused by improper customer assembly failure by customer to follow instructions, product modification, negligent or improper operation
Ordering	How to Buy	Elecbee accepts online orders.
		Add to cart > Check out > Submit order > Complete payment > Delivery
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