Hot     |  Si24R1         7/3/2025 9:38:46 AM  |  RF Transceiver ICs TxRx Only General ISM > 1GHZ ARQ 2.4GHz 2Mbps 1.9V~3.6V QFN-20_4x4x05P RoHS     Large   This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.       |  Zhongke  |  15811   Ships to you  between Tue. 25 Nov to Fri. 28 Nov Ships to you  between Tue. 25 Nov to Fri. 28 Nov    |  1000+ From  AUD 0.7534 1000+ From AUD 0.7534      |                      | 
     Hot     |  CI523         3/31/2025 8:11:36 AM  |  TQFN-16-EP(3x3)  RF Chips ROHS     Large   This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.       |  Zhongke  |  4785   Ships to you  between Tue. 25 Nov to Fri. 28 Nov Ships to you  between Tue. 25 Nov to Fri. 28 Nov    |  1000+ From  AUD 0.517 1000+ From AUD 0.517      |                      | 
     Hot     |  SI522A         6/17/2025 7:08:33 AM  |  ISO 14443A, MIFARE SPI,UART,I2C QFN-32-EP(5x5)  RF Chips ROHS     Large   This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.       |  Zhongke  |  3747   Ships to you  between Tue. 25 Nov to Fri. 28 Nov Ships to you  between Tue. 25 Nov to Fri. 28 Nov    |  1000+ From  AUD 0.8754 1000+ From AUD 0.8754      |                      | 
     Hot     |  Si523         3/31/2025 8:22:29 AM  |   QFN-32-EP(5x5)  RF Chips ROHS     Large   This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.       |  Zhongke  |  3719   Ships to you  between Tue. 25 Nov to Fri. 28 Nov Ships to you  between Tue. 25 Nov to Fri. 28 Nov    |  1000+ From  AUD 0.9262 1000+ From AUD 0.9262      |                      | 
     Hot     |  Si24R2         7/30/2024 5:26:32 PM  |  QFN-20-EP(4x4)  RF Transceiver ICs ROHS     Large   This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.       |  Zhongke  |  2545   Ships to you  between Tue. 25 Nov to Fri. 28 Nov Ships to you  between Tue. 25 Nov to Fri. 28 Nov    |  1000+ From  AUD 0.5055 1000+ From AUD 0.5055      |                      | 
     Hot     |  SI24R2F         11/2/2025 9:21:10 PM  |  QFN-20-EP(4x4)  RF Transceiver ICs ROHS     Large   This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.       |  Zhongke  |  1945   Ships to you  between Tue. 25 Nov to Fri. 28 Nov Ships to you  between Tue. 25 Nov to Fri. 28 Nov    |  1000+ From  AUD 0.8441 1000+ From AUD 0.8441      |                      | 
     Hot     |  Si512         7/3/2025 8:12:58 AM  |  QFN-32-EP(5x5)  RF Chips ROHS     Large   This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.       |  Zhongke  |  1645   Ships to you  between Tue. 25 Nov to Fri. 28 Nov Ships to you  between Tue. 25 Nov to Fri. 28 Nov    |  1000+ From  AUD 1.9206 1000+ From AUD 1.9206      |                      | 
     Hot     |  SI24R2E         6/12/2025 10:39:49 PM  |  QFN-20-EP(4x4)  RF Chips ROHS     Large   This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.       |  Zhongke  |  465   Ships to you  between Tue. 25 Nov to Fri. 28 Nov Ships to you  between Tue. 25 Nov to Fri. 28 Nov    |  1000+ From  AUD 0.9613 1000+ From AUD 0.9613      |                      | 
     Hot     |  Si3933         12/3/2024 6:30:33 AM  |  TSSOP-16  RF Transceiver ICs ROHS     Large   This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.       |  Zhongke  |  72   Ships to you  between Tue. 25 Nov to Fri. 28 Nov Ships to you  between Tue. 25 Nov to Fri. 28 Nov    |  100+ From  AUD 1.3847 100+ From AUD 1.3847      |                      | 
     Hot     |  Si24R2H         8/15/2025 5:50:32 AM  |   QFN32 4x4  RF Transceiver ICs ROHS     Large   This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.       |  Zhongke  |  0   Delivered in 6 to 16 Weeks   Delivered in 6 to 16 Weeks      |  1000+ From  AUD 1.8137 1000+ From AUD 1.8137      |                      |