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CMX838E1
CMX838E1 - Brand New Cmedia IC Chips
Credit Card - One-month free return and one year warranty.
- Full or Partial Refund, if the item is not as described
- Full Refund if you don't receive your order
Product Details
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The highly integrated CMX838 Family Radio Processor includes subaudio, audio, and synthesizer functions to serve as the core engine for low cost, high performance FRS, PMR446, and GMRS radio designs. Its flexibility supports both simple and advanced multi-channel radios without cost penalties. Integrated Tx voltage reference and baseband clock generation circuits eliminate the need for external components. The CMX838’s features directly supports advanced end product functions such as: group calling, scanning, automatic scanner response tone setup, and Tone Cloning™.
Features and Applications
• Advanced one-of-any CTCSS subaudio 50 tone processor
• Fast decode time
• IRQ on any / all valid tones
• Fast scan, group calling, auto response tone select and Tone Cloning™
support
• Supply Independent output level
• RF Synthesizer
• FRS, PMR446 and GMRS RF channels
• Configurable charge pump
• Audio call tone generator
• Audio processing
• Mic amplifier
• Pre/Deemphasis
• Limiter with Supply Independent output level
• Post limiter filtering
• Mic, Rx and Tx digital gain controls
• Single and dual Tx outputs
• Signal source and external function switches
• Low power, 3V to 5V supply
• Powersave and sleep modes
• Serial control interface
Shipping
| First item | Additional item | Service | Description |
|---|---|---|---|
| $0.00 | Free | Free Shipping | Estimated 15-30 business days via Registered Air Mail or others |
| $27.50 | Free | Expedited Shipping | Estimated delivery time is 3-5 business days, with some areas possibly taking 6-9 business days depending on the shipping address. The main courier companies include but are not limited to UPS, DHL, and FedEx. |
| $0.00 | Free | Buyer cooperating carrier | Using buyer's cooperating carrier. Buyer should create a shipping label and share it to us. And then we will call carrier for pickup |
| $38.00 | Free | Expedited Shipping | Estimated delivery time is 3-5 business days, with some areas possibly taking 6-9 business days depending on the shipping address. The main courier companies include but are not limited to UPS, DHL, and FedEx. |
Delivery
- The transportation time may be delayed due to customs clearance, local holidays or abnormal events.
- The estimated time is based on the fastest speed provided by commercial couriers (DHL, FedEx, UPS etc).
- The estimated time does not include the lead time of the item. The lead time of most items is 2–5 business days. If more than 5 working days are needed, we will manually confirm with you.
| Flag | Country | Express Delivery | Standard Delivery |
|---|---|---|---|
 | United States | 3 - 5 days | 10-15 days |
 | Canada | 3 - 5 days | 10-20 days |
 | Mexico | 3 - 5 days | 10-17 days |
 | Germany | 3 - 5 days | 10-12 days |
 | Italy | 3 - 5 days | 10-15 days |
 | United Kingdom | 3 - 5 days | 10-12 days |
Estimated Delivery
This item requires 2-5 business days for processing before shipping after payment is confirmed. And depending on the destination and shipping method.
Return Policy
| Return window | Refund type | Return shipping |
|---|---|---|
| 60 days after receiving item | Money Back or Replacement | Buyer pays for return shipping |
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