2.4G Digital Long Range Wireless Baby Monitor , Security Surveillance System

Product No: GD8220

Product description: 2.4G Digital Wireless Baby Monitor Receiver

Serial	Item	Unit	Specification	Remark
Camera
1	Image sensor size	Inch	1/4
2	Image sensor type		CMOS
3	Effective Pixels	pixels	640*480
4	Video format		NTSC/PAL
5	Lens type		f=3.2mm,F=2.6mm,
6	Field of view	degree	Level:60°(MAX)
7	Infrared illuminance	Lux	1~5
8	Minimum illumination	Lux	﹤5(IR OFF)/0(IR ON)
9	Night vision distance	m	3(max)
Audio
10	Audio response characteristics	Hz	500~2K
11	Audio sensitivity	dB	≤－38
RF
12	Transmitting frequency	MHz	2400－2483.5
13	Transmit power	dBm	17±2
14	Receiving sensitivity	dBm	－80(min)
15	Modulation mode		GFSK
16	Frequency hopping method		FHSS
17	bandwidth	MHz	3
18	Transmission rate	bps	3M
19	Frequency stability	PPm	±10
20	Unobstructed transmission distance	m	200(max)
General
21	Built-in speaker output power	W	1
22	Weight	g	80*80*170
23	Dimensions	mm	80*80*170
24	Operation Current	mA	≤300
25	Operation Current	V	DC 5±0.25
26	Operation Voltage	℃	0～+40
27	Storage temperature	℃	–20～+60

Serical	Item	Unit	Specification	Remark
Display
1	LCD Screen Type		2.31", TFT LCD
2	Video frame rate	fps	25(max)
3	Effective Pixels		320 X 240
RF
4	Operating Frequency	MHz	2400－2483.5
5	Bandwidth	MHz	3
6	Modulating/Demodulating Method		GFSK
7	Transmitting Power	dBm	17+/-2
8	Receiving Sensitivity	dBm	-80(min)
9	Transmission rate	bps	3M
10	Antenna Gain	dBi	2(Omni-directional Dipole)
11	Unobstructed Effective Range	m	200(max)
AUDIO
12	Built-in speaker output power	W	1(max)
13	Microphone sensitivity	dB	≦-38db
General
14	Power Supply		DC +5V
15	Consumption Current	mA	300(max)
16	Weight	g	108
17	Dimensions	mm	113*80*27
18	Operation Temperature	℃	-10～+40
19	Storage Temperature	℃	-20～+60
20	Operation Humidity	RH	15%~85%

     Gospell Digital Technology Co., Ltd. (Stock Code: 002848) is a high-tech enterprise in the field of electronic information. It is recognized as a "benchmark enterprise in the electronic information industry" and a "key high-tech enterprise of the National Torch Plan" in China. It is a leading enterprise and backbone enterprise in the broadcast television transmission and satellite transmission service industries. Additionally, it is a leading enterprise in the electronic information manufacturing industry in Hunan Province and is internationally renowned as a brand enterprise. It is also recognized as a nationwide contract-abiding and trustworthy unit and a Chinese quality and integrity enterprise. The company was established in 1993 and founded Chenzhou Gospell Digital Technology Co., Ltd. in 2001. On February 13, 2017, it was listed on the Shenzhen Stock Exchange. In 2020, Weifang Bincheng Investment Development Co., Ltd. became the controlling shareholder of the company, with the Weifang State-owned Assets Supervision and Administration Commission becoming the actual controller of the company. The company is headquartered in Gospell Industrial Park, Suxian District, Chenzhou City, Hunan Province. It has eight wholly-owned subsidiaries: Chengdu Tongcy Digital System Co., Ltd., Chenzhou Gospell Digital Technology Co., Ltd., Chenzhou Gongtian Electronic Ceramic Technology Co., Ltd., Chenzhou Gospell Precision Manufacturing Co., Ltd., Gospell Digital Technology (Shandong) Co., Ltd., Gospell Digital Technology Hong Kong Co., Ltd., Gospell Digital Technology India Subsidiary, and Shenzhen Qianhai Xutian Communication Co., Ltd. It operates one production base, consisting of five major workshops: SMT workshop, DIP workshop, assembly workshop, injection molding factory, and hardware factory, with a total of 45 production lines.

    As a national high-tech enterprise, Gospell boasts a sophisticated technology R&D matrix and has mastered more than 20 core technologies in the audio and video field. Several technological innovations have been recognized as "national key new products" and "provincial-level scientific and technological achievements," and have received the "Hunan Province Science and Technology Progress Award." As of December 2023, the company has undertaken eight provincial-level and higher scientific and technological achievement transformation projects. It holds over 65 intellectual property patents, including 52 invention patents, 9 utility model patents, and 4 design patents. Additionally, Gospell has secured 117 computer software copyrights.

   We commenced our overseas operations early, embarking on digital television system construction in international markets as early as 2004. To date, we have constructed over 200 ground and cable digital television systems, exclusively supplying core equipment, in more than 60 countries across Asia, Africa, Latin America, and Europe.