SWRU382E July   2014  – November 2023 WL1807MOD , WL1837MOD

 

  1.   1
  2.   WL1837MODCOM8I WLAN MIMO and Bluetooth Module Evaluation Board for TI Sitara Platform
  3.   Trademarks
  4.   Warning
  5. 1Overview
    1. 1.1 General Features
    2. 1.2 Key Benefits
    3. 1.3 Applications
  6. 2Board Pin Assignment
    1. 2.1 Pin Description
    2. 2.2 Jumper Connections
  7. 3Electrical Characteristics
  8. 4Approved Antenna Types and Maximum Gain Values
  9. 5Antenna Characteristics
    1. 5.1 VSWR
    2. 5.2 Efficiency
    3. 5.3 Radio Pattern
  10. 6Circuit Design
    1. 6.1 EVB Reference Schematics
    2. 6.2 Bill of Materials (BOM)
  11. 7Layout Guidelines
    1. 7.1 Board Layout
  12. 8Ordering Information
  13. 9Revision History

4 Approved Antenna Types and Maximum Gain Values

This device is intended only for OEM integrators under the following conditions:

  • The antenna must be installed so that 20 cm is maintained between the antenna and users.
  • The transmitter module cannot be co-located with any other transmitter or antenna.
  • The radio transmitter can operate only using an antenna of a type and maximum (or lesser) gain approved by TI. Table 4-1 lists the antennas approved by TI for use with the radio transmitter along with maximum allowable gain values. Antenna types not included in the list or having a gain greater than the maximum indicated are strictly prohibited for use with this transmitter.
Table 4-1 Approved Antenna Types and Maximum Gain Values
Brand Antenna Type Model 2.4 GHz 4.9 to 5.9 GHz (1)
Ethetronics (2) PCB 1000423 -0.6 dBi 4.5 dBi
Pulse Dipole W1039B030 1 dBi 2 dBi
LSR Rubber Antenna/Dipole 001-0012 2 dBi 2 dBi
080-0013 2 dBi 2 dBi
080-0014 2 dBi 2 dBi
PIFA 001-0016 2.5 dBi 3 dBi
001-0021 2.5 dBi 3 dBi
Laird PCB CAF94504 2 dBi 4 dBi
CAF94505 2 dBi 4 dBi
Pulse Chip W3006 3.2 dBi 4.2 dBi
TDK Chip ANT016008 2.4 dBi 3.96 dBi
(1) Range is approximate.
(2) Not approved for KCC.
Note: If these conditions cannot be met (for example, with certain laptop configurations or co-location with another transmitter), then the FCC/IC authorization is not considered valid and the FCC ID/IC ID cannot be used on the final product. In these circumstances, the OEM integrator is responsible for reevaluating the end product (including the transmitter) and obtaining a separate FCC/IC authorization.