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Home Product BL4/WIFI version Wireless IoT Module for Smart Home Devices, Dual-Band Connectivity
WiFi pet feeder BL4/WIFI version

BL4/WIFI version Wireless IoT Module for Smart Home Devices, Dual-Band Connectivity

BL4 WIFI controller
BL4 Wireless module
BL4 IoT gateway
BL4/WIFI version
BL4 WIFI controller integrates advanced wireless capabilities with BL4 Wireless module technology, optimized for IoT connectivity as a scalable BL4 IoT gateway for smart device management.
Categories:Smart home
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Product Description

The BL4 WIFI version integrates the BL4 WIFI controller, BL4 Wireless module, and BL4 IoT gateway into a compact industrial IoT solution. It provides 4 configurable digital/analog inputs and 2 relay outputs, supporting direct connection with sensors, actuators, and industrial modules via Wi-Fi, Bluetooth 5.0, and RS485 interfaces. Operating at 9-36V DC with -30°C to 75°C tolerance, it excels in automation, energy management, and remote monitoring applications. The device features a 2.8-inch sunlight-readable touchscreen, 6000mAh backup battery, and achieves 150m line-of-sight wireless range (70m indoors). Key strengths include dual-band Wi-Fi compatibility, industrial-grade protection (IP65), and edge computing capability, though complex network configurations may require technical expertise. Its modular design enables flexible expansion for diverse IIoT scenarios.
Parameter Specification
BL4 WIFI controller type Dual-core 32-bit RISC processor
BL4 WIFI controller architecture ARM Cortex-M4 with FPU
BL4 Wireless module standard 802.11 b/g/n/ac Wi-Fi 5
BL4 Wireless module frequency 2.4 GHz & 5 GHz dual-band
BL4 Wireless module throughput 867 Mbps (5GHz), 300 Mbps (2.4GHz)
BL4 IoT gateway interface Ethernet, USB 2.0, GPIO, UART
BL4 IoT gateway protocol MQTT/HTTP/CoAP/TLS 1.3
BL4 WIFI controller memory 512 KB SRAM + 4 MB Flash
BL4 Wireless module security WPA3, 256-bit encryption
BL4 IoT gateway power 5V DC ±5%, 2A max
BL4 WIFI controller temp range -40°C to +85°C
BL4 Wireless module antenna 2x MIMO external connectors
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question:Why can other suppliers source discontinued models but you can't?
answer:Discontinued models may come from unreliable stockpiles, risking quality. We prioritize legitimate sources to ensure reliability.
question:Why is shipping costly? Are there cheaper options?
answer:We offer multiple logistics options. Contact our team to tailor solutions balancing cost and delivery speed.
question:Why is a handling fee charged?
answer:Handling fees cover transaction and administrative costs, ensuring transparency with no hidden charges.
question:Can the company ensure stable product supply?
answer:Yes, we maintain long-term partnerships and strict inventory management.
question:Why is there a transaction fee?
answer:The fee covers payment processing and administrative costs for secure transactions.
question:Why can other suppliers source discontinued models but you can't?
answer:Discontinued models may come from unreliable stockpiles, risking quality. We prioritize legitimate sources to ensure reliability.
question:Why is shipping costly? Are there cheaper options?
answer:We offer multiple logistics options. Contact our team to tailor solutions balancing cost and delivery speed.
question:Why is a handling fee charged?
answer:Handling fees cover transaction and administrative costs, ensuring transparency with no hidden charges.
question:Can the company ensure stable product supply?
answer:Yes, we maintain long-term partnerships and strict inventory management.
question:Why is there a transaction fee?
answer:The fee covers payment processing and administrative costs for secure transactions.
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