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Return Policy: Returnable within 30 days of receipt
You will be eligible for a full refund on items returned in original condition within 30 days of receipt. You may receive a partial or no refund on used or damaged returns
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Protect your bubble.com 2-year Accidental Damage insurance for a SMALL ELECTRONIC device from £20 to £29.99

from London General Insurance Company Ltd.
  • From the moment your product’s delivered it will be covered for accidental damage and any mechanical/electrical faults not covered by the manufacturer’s warranty. Cover is for UK residents who are over 18 years old.
  • No added costs when making a claim; no excess to pay or any charges for parts, labour or callout.
  • Easy to make a claim by phone or email. If your product can’t be repaired, it will either be replaced or we’ll issue an Amazon e-gift card to the value of a replacement.
  • Cancel anytime: Full refund within 45 days if no claim has been made, pro-rated refund thereafter less claim costs.
  • For full product description, please read the Insurance Product Information Document and policy terms and conditions by following the link(s) provided. Please note that another insurance product which has different terms might be available on our website when accessed on a laptop or desktop PC.

Protect your bubble.com 3-year Accidental Damage insurance for a SMALL ELECTRONIC device from £20 to £29.99

from London General Insurance Company Ltd.
  • From the moment your product’s delivered it will be covered for accidental damage and any mechanical/electrical faults not covered by the manufacturer’s warranty. Cover is for UK residents who are over 18 years old.
  • No added costs when making a claim; no excess to pay or any charges for parts, labour or callout.
  • Easy to make a claim by phone or email. If your product can’t be repaired, it will either be replaced or we’ll issue an Amazon e-gift card to the value of a replacement.
  • Cancel anytime: Full refund within 45 days if no claim has been made, pro-rated refund thereafter less claim costs.
  • For full product description, please read the Insurance Product Information Document and policy terms and conditions by following the link(s) provided. Please note that another insurance product which has different terms might be available on our website when accessed on a laptop or desktop PC.
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Add Extra Protection? Check if this cover meets your needs

  • From the moment your product’s delivered it will be covered for accidental damage and any mechanical/electrical faults not covered by the manufacturer’s warranty. Cover is for UK residents who are over 18 years old.
  • No added costs when making a claim; no excess to pay or any charges for parts, labour or callout.
  • Easy to make a claim by phone or email. If your product can’t be repaired, it will either be replaced or we’ll issue an Amazon e-gift card to the value of a replacement.
  • Cancel anytime: Full refund within 45 days if no claim has been made, pro-rated refund thereafter less claim costs.
  • For full product description, please read the Insurance Product Information Document and policy terms and conditions by following the link(s) provided. Please note that another insurance product which has different terms might be available on our website when accessed on a laptop or desktop PC.
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RS485 to WIFI Serial Server HF7221 WIFI Serial Server Support Desktop, Paste, Wall-Mounted Support Registry Package And Heartbeat Packet


£22.23

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  • Make sure this fits by entering your model number.
  • The product can support multiple data encryption methods to ensure data confidentiality
  • Support desktop, paste, wall-mounted and bundled installation
  • Support registry package and heartbeat packet
  • RS485 to WiFi serial server, support for AP and STA function
  • Built-in antenna, support for ModbusTCP

Buy it with

  • RS485 to WIFI Serial Server HF7221 WIFI Serial Server Support Desktop, Paste, Wall-Mounted Support Registry Package And Heart
  • +
  • 1aTTack.de 0.5m - CAT6a - network cable 10 - colors CAT 6 A patch cable 10000 Mbit s SFTP PIMF 500 MHz compatible with CAT5 C
  • +
  • 10Gtek OM3 LC to LC Duplex Fiber Patch Cable 20m(65ft), 50/125 Multimode UPC Polish LSZH, Application for 1G SFP, 10G SFP+, M
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Product description

Feature:
1. Built-in antenna, support for ModbusTCP
2. RS485 to WiFi serial server, support for AP and STA function
3. Support desktop, paste, wall-mounted and bundled installation
4. The product can support multiple data encryption methods to ensure data confidentiality
5. Support registry package and heartbeat packet


Specification:
Item Type: RS485 to WIFI Serial Server
Model Name: HF7221
Function Explanation: Serial port to WiFi
Processing Unit: for Cortex-M4 SOC
Main Frequency: 160MHz
Operating System: Mbeb
FLASH Resources: 2MB
RAM: 384KB
Network Interface Parameters:
Wireless Standard: 802.11b / g / n
Antenna Form : Built-in antenna
WiFi Frequency Band: 2.412GHz-2.484GHz
Network Protocols: IP, TCP, UDP, DHCP, DNS, HTTPServer / Client, APP, BOOTP, AutolP, ICMP, Telnet, uPNP
WiFi Security (encryption Method): Encryption: AES 128Bit, 3DES, SHA-1, MD5, Base-64, RSA Certification: PSK, AES-CCMP
Wireless Transmit Power: 802.11b: +20 DBm (maximal) 802.11g: +18 DBm (maximal) 802.11n: +15 dBm (maximal)
Wireless Receiving Sensitivity: 802.11b: -89dBm ( At 11 Mbps, CCK) 802.11g: -81dBm ( At 54Mbps, OFDM) 802.11n: -71 dBm ( at HT20, MCS7)
Maximum Number of Connections: Maximal, 8STA
WiFi Mode: AP, AP + STA, STA
Serial Interface Parameters:
Number of Serial Ports: 1
Interface Standard: RS485
Baud Rate: 600-460800bps
Serial Port Protection: Yes
Product Features:
Configuration Method: SmartLink V7, X APP, Airkiss configuration, WEB page, CLI command, XML file import, Telnet configuration, IOTService software
WEB Page: Standard web page or custom web page
IP Acquisition Method: DHCP or static IP, AutolP
Virtual Data Channel: Support
Firmware Upgrade: Webpage, for IOTService software, OTA
Registry Package























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Product details

  • Product Dimensions ‏ : ‎ 1 x 1 x 1 cm; 107 Grams
  • Date First Available ‏ : ‎ 16 Jun. 2021
  • Manufacturer ‏ : ‎ Heayzoki
  • ASIN ‏ : ‎ B097C8PT6F
  • Manufacturer reference ‏ : ‎ Heayzoki9qgxbm2auc3036
  • Country of origin ‏ : ‎ China

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