The C70 Series VHF Communication Antennas are designed to be installed on the top or bottom on high-performance, single, twin and turbo engine fixed and rotary wing aircraft. These uniquely designed antennas offer mechanical strength and high electrical efficiency to provide maximum reliability and full 360/720 channel transceiver operation. Its lightweight profile is unobtrusive, resists icing, and has low drag.
This C70 series VHF communication antenna (Alternate Part# DM C70-4) has a has 4-hole mounting pattern, centered BNC connector, and a 2.58 x 4.26 inch footprint.
The DM C70-4 is specifically designed for bottom installations, where ground clearance does not permit the use of other C70 series antennas. The C70-4 provides a higher degree of efficiency to assure maximum performance.
- 118 MHz – 137 MHz frequency range
- 2.0:1 VSWR
- 250 MPH speed rating
- Specifically designed for bottom installations, where ground clearance does not permit the use of other C70 series antennas
Product Codes | |
|---|---|
| Mfr Part No: | C70-4 |
| ECCN: | 7A994 |
| PROAPP: | PT1084NE |
| SCHEDULE B CODE: | 8526.10.6000 |
| TSO: | C37d,C38d |
Weight: 12 oz (0.34 kg)Dimensions: 8.9 in, height 4.26 in, baseConnector: BNC femaleFinish: white polyurethaneFrequency Range: 118 MHz – 137 MHzVSWR: 2.0:1 (DM C70-1/A)Polarization: verticalPower: 50 wattsImpedance: 50ΩRadiation Pattern: omni directionalConnectors: BNC femaleSpeed Rating: 250 MPH (DM C70-1/A)Approvals: TSO C37d, TSO C38d
- Stock: Warehouse
- Manufacturer Part #: C70-4
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Returns & refund summary
- 30-day return window — with prior return authorization, unopened in original packaging.
- Restocking fee: 20% on unopened items, 30% on open-box items.
- Refund processing fee: 5.51% applies only to customer-remorse returns and customer-initiated cancellations. If a problem is our fault (our cancellation, unavailability, wrong item, confirmed defect, or shipping damage) your refund is 100% with no fees.
- Return shipping: paid by buyer on customer-remorse returns; we pay return shipping when the problem is our fault.
- Non-returnable categories: installed/used parts, special-order or rebuilt items, programmed items (incl. ELTs), batteries, AOG-priority orders, international orders.
Full terms: Return Policy.
Authenticity & authorization
We source products from manufacturers, authorized distributors, and established aviation suppliers as applicable. We are an independent reseller; we do not claim direct dealer or authorized-representative status for any brand. Documentation, source, and warranty eligibility vary by product and are confirmed on request.
See our full Manufacturer Authorizations page for the current per-brand status.
Need traceability paperwork?
If your installation requires FAA Form 8130-3, manufacturer Certificate of Conformance, or other traceability documentation, please call 1-877-722-8727 or email [email protected] before placing the order so we can confirm what is available for this part.
Shipping
Standard ground, expedited, and AOG shipping options are available at checkout. Full shipping-cost tiers and timelines are published on our Delivery Information page.
