Feature: 1. Frequency Range: High performance MX72 ham walkie talkie antenna combiner for use in the 144‑148 MHz and 400‑470 MHz frequency ranges. 2. Strong Isolation: MX72 HAM antenna combiner has a super isolation of 60dB, which effectively solves the problem of transmitting different frequencies at the same time. 3. Low Insertion Loss: MX72 HAM antenna combiner has low insertion loss, only 0.2dB for 144‑148MHz and 0.4dB for 400‑470MHz. 4. Strong Entry Resistance: The HAM mobile radio antenna combiner has strong entry resistance and can support 144‑148MHz 100W and 400‑470MHz 60W transmission. 5. Indoor Use: MX72 HAM antenna combiner is suitable for indoor use, can connect HF VHF transceiver and UHF transceiver to the same antenna. Specification: Item Type: MX72 HAM Antenna Combiner Material: Aluminium Alloy Using Frequency: 144~148MHz 400~470MHz Entry Resistance: 144~148MHz: 100W, 400~470MHz: 60W Isolation: 60dB Insertion Loss: 144-148MHz: 0.2dB, 400-470MHz: 0.4dB VSWR: HF:≤1.2, V:≤1.15, U:≤1.19 Impedance: 50 Ohms. Package List: 1 x MX72 HAM Antenna Combiner 2 x Coaxial Feeder