The IS-B50 is a dc blocked 50 Ohm bulkhead mounted protector and should be connected directly to a bulkhead or a master ground bar.| TECHNICAL SPECIFICATIONS |
| Freq. (MHz): | 125 - 1000 | Protected Side Connector: | N Female | |
| RF Power (Watts): | VHF 500, UHF 250 Watts | Surge Side Connector: | N Female | |
| Application: | Single Transmitter Only | Insertion Loss (dB): | 0.1 | |
| Unit Imp. (Ohms): | 50 Ω | Mounting: | Bulkhead | |
| Throughput Energy (µJ): | ≤ 800.0000 μJ | Turn On Voltage (Volts): | 1200 V | |
| VSWR: | 1.1:1 | Weatherized: | No |
Source http://www.polyphaser.com

