Diplexer Channel 38 (UHF/UHF) c/w F 3 connectors

£19.80

Diplexer TV + TV (= UHF + UHF) split at CH38, approximately group A plus B.
Can be used inside or outside, diplexer unit removable from casing.

Carriage charges. Non UK orders almost always incur a carriage surcharge.

Description

This TV/UHF + TV/UHF diplexers may be mounted on the aerial pole (strap supplied) or on the wall, but it is equally suitable for indoor use.
F connectors (supplied).
4G, 5G and TETRA filtered.
Diplexer unit is screened and can be removed from the weatherproof enclosure if required.
The through loss is around 1dB, apart from on the “shoulders” of the splitting frequency where it is higher (see graph below).
Cross channel rejection is about 20dB.

The units can also be used as high efficiency filters, using a terminator (not supplied) on the unused leg.

Channels 21 to 37 combined with 39 to 48 (i.e. split at CH38)
Technically it is A plus B (more or less) = 470 to 606MHz + 616 to 694MHz

See article on Diplexers.

1 – Input (or output) of lower frequencies.
2 – Output (or input) of combined signal.
3 – Input (or output) of higher frequencies.
Power pass switchable (on or off) on either leg.

Example of using a diplexer to increase gain from two aerials :

Group A aerial diplexed with a high gain wideband aerial graph 470H L5

Similar units mounted outside :

Mast head and wall mount splitters 404W L5

Carriage charges.