Joining a range of TETRA-specific duplexers, filters and power amplifiers made by Eleading Technologies, of Shenzhen, China, is the ETG0301-100 series of dual isolators. Individual models cover the bands 336–346?MHz, 360–370?MHz, 370–371?MHz, 390–400?MHz and 851–866?MHz. 

Featuring an isolation of 50?dB minimum at 25°C and an insertion loss of 0·5dB maximum, the isolators are designed to operate from –40° to +70°C and to handle 100?W of transmitted power. Their integral loads will handle 100?W of reverse power. Overall dimensions, including connectors and terminations, are 138 × 62.5 × 22 mm.

worldwide: www.eleadingchina.com

in the UK: www.ghz-marketing.com