Credit to Silverowl2011 
Build your own CRC9 for your Modem.
This crc9 is adapted to modems w/ crc9 external antenna slot for boosting signal strength.
Budget: 40 pesos

Build your own CRC9 for your Modem.
This crc9 is adapted to modems w/ crc9 external antenna slot for boosting signal strength.
Budget: 40 pesos
- 2 pcs. baby mono plug (1 extra just in case)
- 2 pcs. r-58 coaxial f-jack (not sure of name, 1 extra for replacement in coaxial cable from antenna)
- 1 pcs straight connector ( not sure of name)
- mighty bond
- sand paper
- 8 inches coaxial cable
