
( Brand: Down East Microwave ), ( Manufacturer Part Number: 222-28 ), ( Model: 222-28 TRANSVERTER ), ( Part Type: Radio ), ( Frequency Range: 222-225 Mhz With 28mhz If )
The Down Microwave DEMi 222-28 Transverter is an outstanding addition to any amateur radio enthusiast's arsenal. This 2.4 GHz transverter is designed for use with downconverters and provides a powerful output of 25 watts, ensuring robust and reliable communication over long distances.
The DEMi 222-28 Transverter is compact and lightweight, making it easy to transport and install in various locations. It features a robust aluminum case that provides excellent shielding against electromagnetic interference, ensuring crystal-clear reception and transmission.
The transverter's design includes a highly efficient heat sink, which helps to dissipate heat generated by the high-power output, ensuring reliable operation even under heavy use. The transverter also includes a high-quality PA driver, which provides excellent linearity and power efficiency.
The Down Microwave DEMi 222-28 Transverter is easy to use, with straightforward controls and clear status indicators. It is also compatible with a wide range of amateur radio equipment, making it a versatile addition to any radio station.
In summary, the Down Microwave DEMi 222-28 Transverter is a powerful and reliable 2.4 GHz transverter that is perfect for amateur radio enthusiasts who demand high-quality communication over long distances. Its compact size, robust construction, and easy-to-use controls make it an excellent choice for both novice and experienced radio operators.
Pros of buying a Down Microwave Demi 222-28 Transverter 25w Amateur Radio:1. Wideband Coverage: This transverter covers a wide range of frequencies from 144 MHz to 146 MHz, making it suitable for various amateur radio activities.
2. Powerful Output: With a 25w output, this transverter can provide sufficient power for long-distance communication.
3. Easy to Install: The Down Microwave Demi 222-28 Transverter 25w is designed to be easy to install, making it an excellent choice for beginners in amateur radio.
4. Durable Construction: The transverter is built with high-quality materials, ensuring it can withstand regular use.
5. Affordable Price: Compared to other transverters in the market, the Down Microwave Demi 222-28 Transverter 25w is quite affordable, making it a cost-effective option.
Cons of buying a Down Microwave Demi 222-28 Transverter 25w Amateur Radio:1. Limited Frequency Range: While the wideband coverage of 144 MHz to 146 MHz is sufficient for many amateur radio activities, some users may require a transverter with a broader frequency range.
2. Power Consumption: At 25w, this transverter may consume more power compared to lower-power alternatives.
3. Limited Power Handling: Although the 25w output is sufficient for long-distance communication, some users may require a transverter with a higher power output for more challenging conditions.
Conclusion:The Down Microwave Demi 222-28 Transverter 25w Amateur Radio is an excellent option for amateur radio enthusiasts who require a wideband, powerful, and easy-to-install transverter. Its affordable price makes it an attractive option for beginners and those on a budget. However, potential buyers should consider its limited frequency range and power consumption before making a purchase.
Recommendation:If the limited frequency range and power consumption are not deal-breakers, the Down Microwave Demi 222-28 Transverter 25w is an excellent choice for amateur radio enthusiasts. Its easy installation, durable construction, and wideband coverage make it an excellent value for money. However, for users requiring a broader frequency range or higher power output, alternative transverters may be a better fit.
Can be converted to separate RX and TX on 222 MHz if using antenna mounted pre-amplifier. All documentation, parts and schematics are included as this was built from an original DEMI kit. Drive and receive levels can be adjusted by internal potentiates to match transceiver. It has separate IF connections for transmit and receive a common 222 MHz RF output with an internal TX/Rx switching relay.
This is a well-cared for DEMI 222 MHz transverter used high performance SSB, CW, FM and FT8 contacts when interfaced to 28MHz HF transceiver that supports low-level drive output, DBMS 23 200 MW max. Large heat sink and no fan means quiet reliable operation at high duty-cycles. 25W output, can be driven to 35W max if using CW, FM, or FT8. Includes coax cables for both IF transmit and receive, DC power cable.
PTT line input is triggered by GND and uses a RCA connector.