User's Manual
Table Of Contents
1
Content
Overview .................................................................................................................................................................................. 1
1. Product summary ......................................................................................................................................................... 4
1.1. Pinouts ................................................................................................................................................................. 5
1.2. Pins Definition ................................................................................................................................................... 6
2. Electrical Parameters ................................................................................................................................................... 8
2.1 Operating Conditions ..................................................................................................................................... 8
2.2 Power Parameters ............................................................................................................................................ 8
2.3 Operating Environment .................................................................................................................................. 9
2.4 ESD ........................................................................................................................................................................ 9
3. RF Parameters .............................................................................................................................................................. 11
3.1. General Specification .................................................................................................................................... 11
4. Antenna Information................................................................................................................................................. 12
4.1. Antenna type ................................................................................................................................................... 12
4.2. PCB antenna design requirements ........................................................................................................... 12
4.3. Approved External Antenna Specification ............................................................................................. 13
4.4. U.F.L RF Connector ......................................................................................................................................... 15
5. The assembly information and manufacturing guidance ............................................................................ 16
5.1. Mechanical dimensions ................................................................................................................................ 16
5.2. Use guidelines(Please read carefully) ...................................................................................................... 17
5.3. The matters needing attention .................................................................................................................. 19
5.4. MSL/Storage Condition ................................................................................................................................ 20
5.5. Recommended Reflow Profile ................................................................................................................... 20
6. Label ................................................................................................................................................................................ 22
7. Firmware encrypt ....................................................................................................................................................... 23
8. FCC Statement ............................................................................................................................................................. 24
9. Sales Information and Technical Support .......................................................................................................... 27
Diagram Content
Figure 2.DIP package dimension ............................................................................................................................... 5
Figure 3. Stamp hole packages dimension ............................................................................................................ 5
Table1. EMW3081 Pins definition ............................................................................................................................. 6
Table 2. Input voltage range ....................................................................................................................................... 8