SINCLAIR 138-174 Vhf Duplexer Q-2220E

( Brand: Sinclair )

Review SINCLAIR Mhz Vhf Duplexer

The Sinclair Q-2220E VHF Duplexer is a high-quality component designed for use in various communication applications. This 138-174 MHz duplexer is a crucial component in radio systems, enabling the separation of transmit and receive frequencies to prevent interference.

The Sinclair Q-2220E is a solid-state duplexer, which means it uses electronic components instead of mechanical filters. This design ensures a long service life, as it is not susceptible to wear and tear that can affect mechanical filters over time. The solid-state design also makes the duplexer more reliable, as it is less prone to failures caused by vibrations or extreme temperatures.

The duplexer features a 2-way split, which means it can separate the transmit and receive frequencies by 100% or 50%. This flexibility allows it to be used in a wide range of applications, from simplex and half-duplex to full-duplex communication systems. The duplexer also has a high isolation value, ensuring that the transmit and receive signals do not leak into each other, maintaining signal quality and preventing interference.

The Sinclair Q-2220E VHF Duplexer is compact in size, making it easy to integrate into various radio systems. It is also ruggedly built to withstand harsh environments, making it suitable for use in mobile and portable communication systems. The duplexer is also easy to install, with clear markings and a user-friendly design.

In summary, the Sinclair Q-2220E VHF Duplexer is a reliable and flexible component for use in communication systems. Its solid-state design ensures long-lasting performance, while its 2-way split and high isolation value make it suitable for a wide range of applications. Its compact size and rugged build make it easy to install and use in various environments.

1. Wide frequency range: The Sinclair Q-2220E covers a wide VHF frequency range of 138-174 MHz, which makes it suitable for a variety of applications such as amateur radio, public safety, and aviation communications.

2. Duplexer design: The duplexer design allows for simultaneous transmission and reception of signals, reducing interference and improving overall performance.

3. High power handling: The Sinclair Q-2220E can handle up to 100 watts of RF power, making it suitable for use with high-power radio systems.

4. Durable construction: The Sinclair Q-2220E is built with high-quality materials and features a rugged, waterproof design that can withstand harsh environmental conditions.

5. Easy to install: The Sinclair Q-2220E is easy to install and can be mounted in a variety of locations, making it suitable for both portable and fixed installations.

1. Price: The Sinclair Q-2220E is more expensive than some other duplexers on the market, which may make it a less attractive option for budget-conscious buyers.

2. Limited bandwidth: While the Sinclair Q-2220E has a wide frequency range, it may not have the same level of bandwidth as some other duplexers, which could potentially limit its performance in certain applications.

3. Limited compatibility: The Sinclair Q-2220E may not be compatible with all radio systems, so it's important to check the specifications of your radio system to ensure compatibility before making a purchase.

The Sinclair Q-2220E 138-174 VHF Duplexer is a high-quality duplexer that offers a wide frequency range, high power handling, and durable construction. Its duplexer design allows for simultaneous transmission and reception of signals, making it suitable for a variety of communications applications. However, its higher price point and limited bandwidth may make it less attractive to budget-conscious buyers or those with specific compatibility requirements. Overall, if you're looking for a high-performance duplexer for VHF communications and have the budget to support it, the Sinclair Q-2220E is a worthwhile investment.

If you're looking for a duplexer for VHF communications and have a budget that allows for it, the Sinclair Q-2220E 138-174 VHF Duplexer is a solid choice. Its wide frequency range, high power handling, and durable construction make it a reliable and high-performance option. However, if you have a tighter budget or specific compatibility requirements, you may want to consider other duplexers on the market that may better meet your needs. It's always a good idea to research and compare different options before making a purchase to ensure you're getting the best value for your money.

Details:

The specifications that I pasted below were taken off web site. This is a late model Q-2220E vhf repeater duplexer unit. 5:1 impedance ohm 50 average power input max w 350 input connectors n-female output connectors n-female frequency separation min mhz. 5 isolation min db 70 mechanical Sep.

USA buyers only, no foreign shipping i've just had too many issues with it in the past. It is currently tuned to the 144. This unit was mounted upright against the back of a repeater cabinet, and has l brackets as shown in the photos. Electrical specifications frequency range mhz 138 to 174 number of cavities TX side 2 number of cavities Rx side 2 input vst max 1.

This had been running on a 35-40 watt repeater and worked very well. 150 mhz pair, however it can be returned to any frequency in the 138-174 mhz range as needed.

5 insertion loss max TX to ant db.

part #: 138-174 prices

• $840.00-$2450.00

Payments:

• methods: PayPal

Shipping:

• ship to locations: US
• type: Calculated

Returns:

• policy: ReturnsNotAccepted

General:

• Primary Category Name: Consumer Electronics > Radio Communication > Walkie Talkies, Two-Way Radios
• In Stock: Yes
• condition: Used

Seller:

• Sellers Zipcode: 54913
• Sellers City: Appleton, Wisconsin

Offer:

• best offer: false
• quantity: 1
• minimum bid amount: $225.00
• handling days: 2
• # Sold: 0
• # bids: 0

Sinclair Q-2220E Is Similar To:

• SINCLAIR 132-174 MHZ DUAL ISOLATOR (34.7% similar) It sells new for $971. This is used dual ferret isolate. It was removed from a functioning repeater. It is in excellent condition...(October 22nd, 2012)
• Sinclair Q3220E Res-Lok Duplexer Pass Reject 406-512mhz Very Good Condition (43.1% similar) Range mhz 406-512 applications duplexer is a filter which allows a transmitter and receiver to operate on the same antenna. 17 x 19 x 16. 8 isolation Rx notch-db 75 isolation TX SIDE75 connectors female no. 3 this unit is currently tuned to 451 receive and 456 transmit. Can be mounted on floor or ...(September 9th, 2012)
• DUPLEXER SINCLAIR RADIO LABORATORIES C3034 (2.4% similar) Document sans Nome duplexer Sinclair radio laboratories C3034 model: C3034 f1 mhz: 419...(June 28th, 2012)
• Duplexer Sinclair P 4440 E (35.8% similar) ...(August 1st, 2012)
• 1 EACH - SINCLAIR UHF DUPLEXER MODEL --- MR3332 --- 450MHz -- LOW POWER (13.3% similar) Note-------------note. Square trade AP6...(February 15th, 2013)
• Sinclair Duplexer O4220E 1 800MHz quot used quot 1 (35.8% similar) Selling a used 800MHZ Sinclair duplexer model # O4220E 1. Sr# 9729491-1-1-1 TX: 855. 2625RX: 810...(June 19th, 2013)
• Mr2332 Sinclair Uhf 6 Cavity Duplexer 150 154 Mhz Ham Murs 2 Meter (37.4% similar) Generic 6 cavity duplexer looks un used 25 watt 6 cavity duplexer used in good working order...(August 30th, 2016)
• Sinclair P4440E-2 800 MHz Duplexer (66.7% similar) Brand Sinclair, model P4440E, bro-comm is pleased to offer the Sinclair P4440E-2 800 mhz duplexer. 8 res-Loki cavities. 19 rack mount. Flat rate single item shipping through the postal service to continental Canada or continental us is $39. N connectors. Offers, trade proposals or requests to donate...(May 16th, 2012)
• Sinclair Mr256n Duplexer 6 Cavity Mr256n-2-e4791 151.5 156.5 Mhz (36.2% similar) Sinclair duplexer 6 cavity MR256N-2-E4791, 151.5/156.5 mhz, this is used and not tuned...(November 8th, 2024)
• Sinclair Tc-3212 406-512 Mhz Uhf 2 Channel Combiner Hybrid Ferrite (39.3% similar) Multiple available. Good condition...(November 8th, 2024)
• Sinclair Ya3-01570-01 Technologies Uhf Duplexer (54.5% similar) Part #: Sinclair YA3-01570-01 for sale...(November 26th, 2024)