ll i lose signal doing this???

[Monster75]

will i lose signal doing this???

ok i have my LMR 400 cable i plan to run from the antenna to the house...and hook up to a wall plate i have installed.. then inside i would love to be able to run rg6 cable from the wall to the scanner... will this cause me to lose a strong signal???? last thing i wanna do is have spent money on LMR 400 get it all hook up the way i want just to have the 2-3 feet of rg 6 cable inside make the whole thing mess up... or will i have to spend money and get LMR pigtail ext???

 

[W6KRU]

ok i have my LMR 400 cable i plan to run from the antenna to the house...and hook up to a wall plate i have installed.. then inside i would love to be able to run rg6 cable from the wall to the scanner... will this cause me to lose a strong signal???? last thing i wanna do is have spent money on LMR 400 get it all hook up the way i want just to have the 2-3 feet of rg 6 cable inside make the whole thing mess up... or will i have to spend money and get LMR pigtail ext???

A few feet of RG6 is fine. It only has a few dB of loss per 100'. If it had as much as 6dB of loss per 100' it would have .06 dB per foot. .06 X 6 = .36dB for your jumper if it was 6' long. 6dB is about equal to 1 s-unit. RG6 is all I use and I have very good reception.

 

[W2NJS]

Make the wall connection at the plate with a double-ended coax connector, like with an SO-239 connector on each side. Whatever you do, do not split the cable and use any kind of wire terminals.
In other words, a straight-through coax connection is what you must have, with proper connectors on both the lead-in coax and the jumper from the wall to the radio.

 

[n5ims]

ok i have my LMR 400 cable i plan to run from the antenna to the house...and hook up to a wall plate i have installed.. then inside i would love to be able to run rg6 cable from the wall to the scanner... will this cause me to lose a strong signal???? last thing i wanna do is have spent money on LMR 400 get it all hook up the way i want just to have the 2-3 feet of rg 6 cable inside make the whole thing mess up... or will i have to spend money and get LMR pigtail ext???

It's generally a good idea to use a pigtail between the LMR-400 and the scanner anyway. LMR-400 is quite stiff and may possibly weaken the BNC connector on the back of the scanner if directly hooked up with much strain being placed on the connector. You could also use a 90 degree BNC adapter to help relieve some of the strain as well if your cable must make a bend to make it to the scanner.

 

[Monster75]

A few feet of RG6 is fine. It only has a few dB of loss per 100'. If it had as much as 6dB of loss per 100' it would have .06 dB per foot. .06 X 6 = .36dB for your jumper if it was 6' long. 6dB is about equal to 1 s-unit. RG6 is all I use and I have very good reception.

ok thanks for the info..... may end up doing it the way i wanted not sure... will be cheaper for me.. if i wont be losing signal from the LMR to rg6...

Make the wall connection at the plate with a double-ended coax connector, like with an SO-239 connector on each side. Whatever you do, do not split the cable and use any kind of wire terminals.
In other words, a straight-through coax connection is what you must have, with proper connectors on both the lead-in coax and the jumper from the wall to the radio.

what do you mean dont split the cable??? i plan on keeping the whole LMR 400 in one long piece from the antenna to the house.. once at the hose i will run the same cord inside the wall and get a connector to hook it up to my wall outlet. then from there i would use rg6 from the wall-plate to the scanner

 

[rfradioconsult]

Wallplates can be found with a UHF bulkhead fitting that would allow a PL-259 connection on both sides of the wallplate, just like a TV wallplate with a F bulkhead only larger.

 

[Monster75]

Wallplates can be found with a UHF bulkhead fitting that would allow a PL-259 connection on both sides of the wallplate, just like a TV wallplate with a F bulkhead only larger.

ohhh i will have to see if i can find this.... thanks..... or can you tell me were you got some???

edit is it this??? http://www.opentip.com/Office-Products/Female-Video-Insert-For-Universal-Wall-Plates-p-1075582.html

 

[rfradioconsult]

ohhh i will have to see if i can find this.... thanks..... or can you tell me were you got some???

edit is it this??? Opentip.com: Female Video Insert for Universal Wall Plates

Those are TV F type.

 

[Monster75]

oh ok.... i guess i will keep looking....LOL

 

[rfradioconsult]

Here is the bulkhead connectors, buy a blank plate and drill a hole.
2" Double Female SO-239 UHF Bulkhead Connector, Coupler WiredCo

 

[Monster75]

Here is the bulkhead connectors, buy a blank plate and drill a hole.
2" Double Female SO-239 UHF Bulkhead Connector, Coupler WiredCo

thanks a million for all the help ...... i owe ya sometime int he future for some help... once i learn all this stuff....

 

[n5ims]

Or you could just use one of these to cover the outlet box opening without doing any cutting the coax and have a clean looking installation. The single gang version is for a single outlet sized box, or if you need more room, use a double outlet sized box and use the dual gang version. For that matter, with these, you can simply use either to cover the hole the coax runs through without even using the box, but the raw sheetrock won't hold the mounting screws as well as an outlet box would (but just how often will you need to unscrew them anyway).

Single Gang Bulk Cable Wall Plate - Ivory : WPBWI
Dual Gang Bulk Cable Wall Plate - Ivory : WPBW2I