4G Main Board
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4G Main Board(M7820+XC)
ML7820+C wireless module is a support FDD-LTE/TDD-LTE/TD-SCDMA/WCDMA/EDGE/GPRS./
GSM multi-network wireless communication module supports diversity receiving function. The module supports FDD-LTE, TDD-LTE, HSPA+, HSUPA, WCDMA, TD-SCDMA, EDGE and GPRS network data connection. The module adopts LCC + LGA packaging form and has abundant external interfaces. It can be widely used in video surveillance, handheld terminals, vehicle equipment and other products which need mobile data access.
Band configuration
FDD-LTE B1/3/5/8 +TDD-LTE B34/38/39/40/41+TDS B34/39
+ WCDMA B1/8 (Note: Band40 band range: 2300-2400 MHz,
Band41 band range: 2555-2655 MHz)
data service
TDD-LTE
The downlink rate of 3GPP R9 CAT 4 is 112.5 Mbps
and the upstream rate is 12.5 Mbps.
FDD-LTE
The downlink rate of 3GPP R9 CAT 4 is 150 Mbps
and the upstream rate is 50 Mbps.
WCDMA
Downlink rate is 21 Mbps and upstream rate is 5.76 Mbps
TD-SCDMA
The downlink rate is 2.8 Mbps and the upstream rate is 2.2 Mbps.
EDGE
Class12, downlink rate 236.8 kbps, upstream rate 118 kbps
GPRS
Class10, downlink rate 85.6 kbps, upstream rate 85.6 kbps
GSM
CSD:9.6kbps
Emission power
TD-LTE/FDD-LTE: +23 ±2dBm(Power class 3)
TD-SCDMA:24dBm +1dB/-3dB (power class 2)
WCDMA: +24 +1/-3dBm(Power class 2)
GSM B5/8: +33 ±2dBm(Power class 4)
GSM B2/3: +30 ±2dBm(Power class 1)
Major Materials
Baseband chip: 97520V3
Wireless transceiver chip: 34220A1
Power amplifier chip: S5643,
Short Message Service
Point-to-point MO, MT, SMS cell Broadcasting support Text and PDU mode
dial mode
NDIS, ECM Model
Environmental adaptability
Working temperature: - 40 ~80 C, humidity: 5% - 95%.
Product Specification
Size: 38mm*50mm*15mm
Main interface
1: Standard USIM/SIM Card Interface (Supporting Telecom Card, Mobile Card, Unicom Card)
2: DC power supply interface (12V, GND)
3:4G Antenna Main Antenna (M)
4:4G Antenna Subantenna (D)
5:WIFI Antenna (W)
6: Network ports (TD+, TD-, RD+, RD-)
Network Protocol Characteristics
Support TCP/UDP/PPP/FTP/HTTP
Protocol support PAP/CHAP
12V InputGND Input⑦RD-⑪4G indicator lamp⑮4G main antenna12V Output④DM⑧RD+⑫SIM card slot⑯WIFI antenna⑤DP⑨TD-⑬Power Indicator Lamp⑰4G Sub Antennas⑥GND Output⑩TD+⑭Reset keyNote: 4G main antenna must be used, 4G sub-antenna (conditionally recommended), 12V output and GND output to the camera motherboard power supply. -
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Vol110-220V
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Smart Home Protocol:WiFi
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BrandKWDsmart
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