Key Application; Package Information; Recommended Reflow Profile; Device Handling Instruction (Module Ic Smt Preparation) - Jinan USR IOT Technology USR-WIFI232-A2 User Manual

2.4 Key Application

Remote equipment monitoring
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Industrial sensors and controls
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Asset tracking and telemetry
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Home automation
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Medical devices
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2.5 Package Information

2.5.1 Recommended Reflow Profile

NO. Item
1 Reflow Time
2 Peak-Temp
Note:
1. Recommend to supply N2 for reflow oven.
2. N2 atmosphere during reflow (O2<300ppm).

2.5.2 Device Handling Instruction (Module IC SMT Preparation)

Shelf life in sealed bag: 12 months, at <30℃ and <60% relative humidity (RH)

After bag is opened, devices that will be re-baked required after last baked with window time

168 hours.
Recommend to oven bake with N2 supplied.

Jinan USR IOT Technology Limited
USR-WIFI232-A2 User Manual
AT command
Network Protocol
Max. TCP Connection
User Configuration
Figure 5 Reflow Soldering Profile
Table 2 Reflow Soldering Parameter
Temperature (Degree)
Time of above 220
Page 11 of 76
AT+instruction set
TCP/UDP/ARP/ICMP/DHCP/DNS/HT
TP
32
Web Server＋AT command config.
Time(Sec)
35~55 sec
260 max
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