Radio & Amplifier Service Parts

The MMBX is an RF impedance matching device inteded for fixed and mobile service in amateur and commercial radio systems to match the antenna impedance to the output impedance of transmitters operating from 2 to 30 MHz, and with up to 500 watts of RF power.

New Old Stock
MFR: Swan Electronics
SKU: MMBX-SWAN

An electrical device that allows balanced and unbalanced lines to be interfaced without disturbing the impedance arrangement of either line.

• Connector: UHF Female
• 2 Copper leads

New Old Stock
MFR: KLM
SKU: 3-60-1:1-KLM

• Frequency Range: 1.4GHz to 2.5GHz
• Connectors: Type-N Male / Female

New Old Stock
MFR: Huber-Suhner AG
Made in Switzerland
SKU: 3400.17.0226

Will fit cables with Round Cross Section and approximate size up to .400 in (up to 10.2 mm)

• Material:  6/6 Nylon
• Color:  Black

New Old Stock
SKU: USR-40

• Output: DC 12 Volts
• Charger Output: 12V 50 mA

Used * Not available for export
MFR: Midland International Corporation
SKU: 18-143D-P

• 50 W max input power
• Frequency Range: 851-869 MHz, 806-824 MHz

New Old Stock * New In Box * No Longer available for export
MFR: Cellular Specialists
Made in China
SKU: 415-BS91-005

• 50 W max input power
• Frequency Range: 851-869 MHz, 806-824 MHz

New Old Stock * No longer available for export
MFR: Cellular Specialists
Made in China
SKU: 415-BS91-005-NB

• 50 W max input power
• Frequency Range: 851-869 MHz, 806-824 MHz

New Old Stock * No longer available for export
MFR: Westell, Inc.
Made in China
SKU: 415-BS91-005-W

• Replacemnet hardware for AV-327 and AV-503

New Old Stock * New In Box
MFR: Avanti Research and Development, Inc.
SKU: AV-703