Rainbow Electronics GM862-GPS - Manual (Page 69)

GM862-GPS Hardware User Guide
1vv0300728 Rev. 8 - 20/09/07
Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved page 69 of 73
13.1 Antenna Coaxial Cable Fixing
The following constraints must be respected in the Telit GM862-GPS modules antenna cable connection:
• The fixing point of the coaxial cable must not be placed too close to the antenna connector of the
GM862 module , leaving at least 30mm of flexible cable between the fixed point and the plug end.
• The fixing point must be at the same height of the GM862 module antenna connector, eventually
using a wedge between the PCB and the cable if it is directly fixed to the PCB.
• The flexible cable must never be bent with a radius lower than 25mm (RG174 cable).
• The cable must be a RG174 type or more flexible ones.
The following pictures explain these constraints:
- Angle connector fixing example -