Spektrum SR215 DSMR 2 Channel Sport Receiver SPMSR215Spektrum SR210 DSMR 2 Ch Sport Receiver. This great Spektrum SR210 DSMR 2 Ch Sport Receiver is best meant for bashing, boating or rock crawling, the SR210 receiver can handle the worst nature and the RF environment can throw at it. It's built around frequency agile, DSMRtechnology that delivers superb range and response, especially in places where a lot of 2. 4GHz systems are in use at once. This unbeatable signal security is complemented by a fuel