2.4G wireless transmitting and receiveing for teaching

2.4g wireless transmitter and receiver CE/FCC approved Anti interference and high quality

Quick Details

Specifications	Audio transmission	Audio receiving
supply voltage	3.3-3.5V	3.3-3.5V
Consumption current	<15mA	<40mA
Working temperature	0 —+70°	0 —+70°
Frequency range	2400-2483.5MHz	2400-2483.5MHz
Channel number	20	20
Modulation mode	GFSK	GFSK
transmitting power	4dBM
input impedance	10K 0hm
input level	2.8Vp-p(Max)
Receiving sensitivity		-85dBm(Min.)
Output impedance		32 Ohm
Output level		2Vp-p(Max)
Audio delay	<7ms
Frequency response	100~4KHz,±3dB
Dynamic range @ 1 KHZ	81dB
Separating degree @ 1 KHZ	90dB
Distortion THD	0.1%

Packaging & Delivery

Packaging Details: Leather bag

Delivery Details: 2 weeks leadtime when order confirmed

Product characteristics

2.4 G wireless public address system is teaching product which has small volume, easy operation, low power consumption, anti-jamming and environmental protecting.

A)-------Transmitting plus receiving just 35g, Clean sanitation and convenient to carry

B)-------ISM24GHz free frequency band, preset channel

C)-------Each system has a unique address code, no harass

D)-------Transmission distance on the field more than 50 meters

E)-------Charging two hours cell can use 6 to 8 hours

F)-------Emission no signal can be automatically shut down

Product design diagram  

Instructions for connection diagram

 A)-----According to above picture after connect,Receiver indicate light flashing.

 B)----Near to receiver 3 meters inside, Press Emitter switch 3 seconds. Red and blue light fast flashing. 

       After Frequency channel connection blue light slow flashing, receiving also slow flashing, finishing and can be using.

 C)----When electricity shortage, transmit's red light slow flashing. 

          Please recharge.when full of charged red light lighted.

Guaranty:

1-Year Warranty from the date of package receipt.

 1)Import duties, taxes and charges are not included in the item price or shipping charges. These charges are the buyer’s responsibility.

2)Please check with your country’s customs office to determine what these additional costs will be prior to bidding/buying.

2.4G wireless transmitting and receiveing for teaching